{"id":42214,"date":"2026-06-10T10:50:09","date_gmt":"2026-06-10T02:50:09","guid":{"rendered":"https:\/\/www.evb.com\/?p=42214"},"modified":"2026-06-10T10:50:09","modified_gmt":"2026-06-10T02:50:09","slug":"nema-6-20-plug-for-ev-charging-what-it-is-power-output-and-when-to-use-it","status":"publish","type":"post","link":"https:\/\/www.evb.com\/vi\/nema-6-20-plug-for-ev-charging-what-it-is-power-output-and-when-to-use-it\/","title":{"rendered":"\u0110\u1ea7u c\u1eafm NEMA 6-20 d\u00f9ng cho s\u1ea1c xe \u0111i\u1ec7n: Kh\u00e1i ni\u1ec7m, c\u00f4ng su\u1ea5t v\u00e0 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng."},"content":{"rendered":"<!-- =========================\nFAQ SCHEMA\n========================= -->\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I charge an EV with a NEMA 6-20 outlet?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, if you use a compatible EV charger or an adapter approved by the charger manufacturer for NEMA 6-20 and the outlet is on a suitable dedicated circuit.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many amps can a NEMA 6-20 EV charger use?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A NEMA 6-20 circuit is rated for 20A, but EV charging is a continuous load, so the charger should typically draw no more than 16A continuously.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many kW is a NEMA 6-20 charger?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"At 240V and 16A, a NEMA 6-20 EV charging setup provides about 3.8 kW before charging losses. At 208V and 16A, it provides about 3.3 kW.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is NEMA 6-20 Level 1 or Level 2 charging?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"NEMA 6-20 is used for 240V charging, so it is considered Level 2 charging. It is lower-power Level 2 compared with larger circuits such as NEMA 14-50.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is NEMA 6-20 enough for overnight charging?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It can be enough for many drivers with moderate daily mileage, but drivers who need to recover a large amount of range every night may need a higher-power Level 2 charger.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Should I install NEMA 6-20 or NEMA 14-50 for EV charging?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Choose NEMA 6-20 for moderate charging speed and limited electrical capacity. Choose NEMA 14-50 or a hardwired charger when faster Level 2 charging is needed and the electrical panel can support it.\"\n            }\n        }\n    ]\n}<\/script>\n\n<style>\n.evb-article-wrap{\n  color:#1f1f1f;\n  font-size:17px;\n  line-height:1.8;\n}\n.evb-article-wrap h2{\n  font-size:30px;\n  line-height:1.3;\n  font-weight:800;\n  margin:46px 0 14px;\n  color:#0b2239;\n}\n.evb-article-wrap h3{\n  font-size:22px;\n  line-height:1.4;\n  font-weight:700;\n  margin:28px 0 10px;\n  color:#0b2239;\n}\n.evb-article-wrap p{\n  margin:0 0 18px;\n  color:#444;\n}\n.evb-article-wrap strong{\n  color:#1f1f1f;\n}\n.evb-article-wrap a{\n  color:#185FA5;\n  text-decoration:none;\n}\n.evb-article-wrap a:hover{\n  text-decoration:underline;\n}\n.evb-article-meta{\n  display:flex;\n  flex-wrap:wrap;\n  gap:18px;\n  font-size:13px;\n  color:#8b8f94;\n  margin:0 0 26px;\n}\n.evb-article-intro{\n  border-left:3px solid #378ADD;\n  padding-left:18px;\n  margin:0 0 28px;\n  color:#4b4f55;\n  font-size:18px;\n  line-height:1.75;\n}\n.evb-tip{\n  background:#f3f8fe;\n  border-left:3px solid #378ADD;\n  padding:14px 16px;\n  margin:20px 0 24px;\n  color:#47505a;\n  font-size:15px;\n  line-height:1.75;\n}\n.evb-article-wrap ul{\n  margin:0 0 18px 20px;\n  padding:0;\n}\n.evb-article-wrap li{\n  margin:0 0 8px;\n}\n.evb-table{\n  width:100%;\n  border-collapse:collapse;\n  margin:22px 0 28px;\n  font-size:15px;\n}\n.evb-table th{\n  text-align:left;\n  padding:12px 14px;\n  background:#f7f8fa;\n  color:#66707a;\n  font-size:12px;\n  font-weight:700;\n  text-transform:uppercase;\n  letter-spacing:.05em;\n  border-bottom:1px solid #e7ebef;\n}\n.evb-table td{\n  padding:12px 14px;\n  border-bottom:1px solid #eef1f4;\n  color:#444;\n  vertical-align:top;\n}\n.evb-table td:first-child{\n  font-weight:600;\n  color:#1f1f1f;\n}\n.evb-steps{\n  list-style:none;\n  margin:8px 0 22px;\n  padding:0;\n  counter-reset:evb-step;\n}\n.evb-steps li{\n  position:relative;\n  padding:10px 0 10px 44px;\n  border-bottom:1px solid #eef1f4;\n  counter-increment:evb-step;\n}\n.evb-steps li:last-child{\n  border-bottom:none;\n}\n.evb-steps li::before{\n  content:counter(evb-step);\n  position:absolute;\n  left:0;\n  top:10px;\n  width:26px;\n  height:26px;\n  border-radius:50%;\n  background:#185FA5;\n  color:#fff;\n  font-size:12px;\n  font-weight:700;\n  display:flex;\n  align-items:center;\n  justify-content:center;\n}\n.evb-faq-item{\n  padding:20px 0;\n  border-bottom:1px solid #eef1f4;\n}\n.evb-faq-item:last-child{\n  border-bottom:none;\n}\n.evb-faq-q{\n  font-size:18px;\n  font-weight:700;\n  line-height:1.5;\n  color:#0b2239;\n  margin:0 0 8px;\n}\n.evb-faq-a{\n  color:#47505a;\n  font-size:16px;\n  line-height:1.75;\n}\n.evb-article-footer{\n  margin-top:40px;\n  padding-top:20px;\n  border-top:1px solid #eef1f4;\n  font-size:13px;\n  color:#9aa0a6;\n}\n@media (max-width: 767px){\n  .evb-article-wrap h2{\n    font-size:26px;\n  }\n  .evb-article-wrap h3{\n    font-size:20px;\n  }\n  .evb-article-intro{\n    font-size:17px;\n  }\n}\n<\/style>\n\n<div class=\"evb-article-wrap\">\n\n<div class=\"evb-article-meta\">\n  <span>EVB.COM<\/span>\n  <span>C\u1eadp nh\u1eadt th\u00e1ng 6 n\u0103m 2026<\/span>\n  <span>Th\u1eddi gian \u0111\u1ecdc: 12 ph\u00fat<\/span>\n  <span>Chu\u1ea9n NEMA 6-20 \u00b7 S\u1ea1c c\u1ea5p 2 \u00b7 S\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0<\/span>\n<\/div>\n\n<p class=\"evb-article-intro\">\n\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn s\u1ea1c xe \u0111i\u1ec7n c\u1ea5p 2 c\u00f4ng su\u1ea5t th\u1ea5p thi\u1ebft th\u1ef1c \u1edf B\u1eafc M\u1ef9. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch \u1ed5 c\u1eafm NEMA 6-20 l\u00e0 g\u00ec, c\u00f4ng su\u1ea5t s\u1ea1c m\u00e0 n\u00f3 cung c\u1ea5p, so s\u00e1nh v\u1edbi NEMA 5-15 v\u00e0 NEMA 14-50, v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch an to\u00e0n.\n<\/p>\n\n<p>\u1ed4 c\u1eafm NEMA 6-20 l\u00e0 lo\u1ea1i \u1ed5 c\u1eafm \u0111i\u1ec7n 240 volt, 20 ampe \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf B\u1eafc M\u1ef9 cho m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb gia d\u1ee5ng, d\u1ee5ng c\u1ee5 v\u00e0 b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u1ea5p 2 di \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi l\u00e1i xe \u0111i\u1ec7n, n\u00f3 n\u1eb1m \u1edf v\u1ecb tr\u00ed trung gian kh\u00e1 th\u00fa v\u1ecb: n\u00f3 s\u1ea1c nhanh h\u01a1n nhi\u1ec1u so v\u1edbi \u1ed5 c\u1eafm \u0111i\u1ec7n gia d\u1ee5ng ti\u00eau chu\u1ea9n 120V, nh\u01b0ng kh\u00f4ng y\u00eau c\u1ea7u c\u00f4ng su\u1ea5t m\u1ea1ch l\u1edbn nh\u01b0 c\u00e1c \u1ed5 c\u1eafm l\u1edbn h\u01a1n nh\u01b0 NEMA 14-50 ho\u1eb7c NEMA 6-50.<\/p>\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng ph\u00f9 h\u1ee3p, \u1ed5 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn s\u1ea1c xe \u0111i\u1ec7n thi\u1ebft th\u1ef1c. N\u00f3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t s\u1ea1c kho\u1ea3ng 3,8 kW khi s\u1eed d\u1ee5ng \u1edf \u0111i\u1ec7n \u00e1p 240V v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra li\u00ean t\u1ee5c 16A. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u1ee7 cho vi\u1ec7c s\u1ea1c qua \u0111\u00eam, \u0111i l\u1ea1i h\u00e0ng ng\u00e0y, c\u00e1c c\u0103n h\u1ed9 c\u00f3 c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf, nh\u00e0 \u0111\u1ec3 xe c\u00f3 s\u1eb5n h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n 240V v\u00e0 ng\u01b0\u1eddi d\u00f9ng b\u1ed9 s\u1ea1c di \u0111\u1ed9ng kh\u00f4ng c\u1ea7n t\u1ed1c \u0111\u1ed9 s\u1ea1c t\u1ed1i \u0111a c\u1ea5p \u0111\u1ed9 2.<\/p>\n\n<div class=\"evb-tip\">\n  <strong>T\u00f3m l\u1ea1i:<\/strong> \u1ed4 c\u1eafm NEMA 6-20 th\u01b0\u1eddng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t s\u1ea1c xe \u0111i\u1ec7n kho\u1ea3ng 3,8 kW \u1edf \u0111i\u1ec7n \u00e1p 240V v\u00e0 d\u00f2ng \u0111i\u1ec7n 16A, nh\u01b0ng m\u1ea1ch \u0111i\u1ec7n, \u1ed5 c\u1eafm, c\u1ea7u dao v\u00e0 b\u1ed9 s\u1ea1c ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u00ednh x\u00e1c v\u1edbi nhau.\n<\/div>\n\n<p>Tuy nhi\u00ean, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p cho m\u1ecdi ch\u1ee7 s\u1edf h\u1eefu xe \u0111i\u1ec7n ho\u1eb7c m\u1ecdi \u0111\u1ecba \u0111i\u1ec3m th\u01b0\u01a1ng m\u1ea1i. H\u1ec7 th\u1ed1ng NEMA 6-20 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean m\u1ea1ch \u0111i\u1ec7n ri\u00eang bi\u1ec7t ph\u00f9 h\u1ee3p, k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 s\u1ea1c ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i xe \u0111i\u1ec7n ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1edfi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9. S\u1ea1c xe \u0111i\u1ec7n l\u00e0 m\u1ed9t t\u1ea3i \u0111i\u1ec7n li\u00ean t\u1ee5c, v\u00ec v\u1eady d\u00f2ng \u0111i\u1ec7n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c th\u01b0\u1eddng th\u1ea5p h\u01a1n \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u dao. \u0110\u1ed1i v\u1edbi m\u1ea1ch 20A, \u0111i\u1ec1u \u0111\u00f3 th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 c\u00f4ng su\u1ea5t s\u1ea1c \u0111\u1ea7u ra l\u00e0 16A.<\/p>\n\n<h2 id=\"what-is-nema-6-20\">Ph\u00edch c\u1eafm NEMA 6-20 l\u00e0 g\u00ec?<\/h2>\n\n<p>Ph\u00edch c\u1eafm NEMA 6-20 l\u00e0 lo\u1ea1i ph\u00edch c\u1eafm \u0111i\u1ec7n c\u00f3 l\u01b0\u1ee1i th\u1eb3ng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ea1ch \u0111i\u1ec7n 250V \u1edf B\u1eafc M\u1ef9. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ea1ch \u0111i\u1ec7n 20 ampe v\u00e0 s\u1eed d\u1ee5ng hai d\u00e2y d\u1eabn n\u00f3ng c\u1ed9ng v\u1edbi m\u1ed9t d\u00e2y n\u1ed1i \u0111\u1ea5t. Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u1ed5 c\u1eafm ki\u1ec3u NEMA 14, n\u00f3 kh\u00f4ng c\u00f3 d\u00e2y d\u1eabn trung t\u00ednh.<\/p>\n\n<p>Tr\u00ean th\u1ef1c t\u1ebf, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u1ed5 c\u1eafm NEMA 6-20 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u1ea3i ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p 240V. \u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 v\u00ec thi\u1ebft b\u1ecb s\u1ea1c xe \u0111i\u1ec7n c\u1ea5p 2 th\u01b0\u1eddng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n 240V gi\u1eefa c\u00e1c pha v\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y trung t\u00ednh cho ch\u1ee9c n\u0103ng s\u1ea1c.<\/p>\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y \u1ed5 c\u1eafm NEMA 6-20 trong nh\u00e0 \u0111\u1ec3 xe, x\u01b0\u1edfng, kh\u00f4ng gian th\u01b0\u01a1ng m\u1ea1i nh\u1ecf, ph\u00f2ng thi\u1ebft b\u1ecb v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c n\u01a1i c\u1ea7n m\u1ea1ch \u0111i\u1ec7n 240V\/20A. \u1ed4 c\u1eafm n\u00e0y kh\u00e1c v\u1edbi \u1ed5 c\u1eafm \u0111i\u1ec7n gia d\u1ee5ng th\u00f4ng th\u01b0\u1eddng, v\u00ec v\u1eady kh\u00f4ng th\u1ec3 c\u1eafm ph\u00edch c\u1eafm 120V th\u00f4ng th\u01b0\u1eddng v\u00e0o \u0111\u00f3.<\/p>\n\n<div class=\"evb-tip\">\n  <strong>\u0110\u1ecbnh ngh\u0129a ng\u1eafn g\u1ecdn:<\/strong> Ph\u00edch c\u1eafm NEMA 6-20 l\u00e0 lo\u1ea1i ph\u00edch c\u1eafm c\u00f3 \u0111i\u1ec7n \u00e1p 240V, d\u00f2ng \u0111i\u1ec7n 20A, h\u1ed7 tr\u1ee3 s\u1ea1c xe \u0111i\u1ec7n c\u00f4ng su\u1ea5t th\u1ea5p c\u1ea5p \u0111\u1ed9 2 khi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 s\u1ea1c t\u01b0\u01a1ng th\u00edch.\n<\/div>\n\n<h2 id=\"nema-6-20-power\">\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 cung c\u1ea5p c\u00f4ng su\u1ea5t t\u1ed1i \u0111a l\u00e0 bao nhi\u00eau?<\/h2>\n\n<p>\u1ed4 c\u1eafm NEMA 6-20 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ea1ch \u0111i\u1ec7n 240V, 20A. V\u1ec1 l\u00fd thuy\u1ebft, 240V nh\u00e2n v\u1edbi 20A b\u1eb1ng 4,8 kW. Nh\u01b0ng vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u1eddng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00f4ng su\u1ea5t t\u1ed1i \u0111a c\u1ee7a c\u1ea7u dao khi s\u1eed d\u1ee5ng li\u00ean t\u1ee5c.<\/p>\n\n<p>V\u00ec qu\u00e1 tr\u00ecnh s\u1ea1c xe \u0111i\u1ec7n c\u00f3 th\u1ec3 di\u1ec5n ra trong nhi\u1ec1u gi\u1edd, n\u00ean n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ea3i li\u00ean t\u1ee5c. M\u1ed9t quy t\u1eafc chung l\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng qu\u00e1 80% c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u1ea1ch \u0111i\u1ec7n khi s\u1ea1c li\u00ean t\u1ee5c. Tr\u00ean m\u1ea1ch 20A, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u1eddng ch\u1ec9 n\u00ean ti\u00eau th\u1ee5 t\u1ed1i \u0111a 16A.<\/p>\n\n<table class=\"evb-table\">\n  <thead>\n    <tr>\n      <th>M\u1ee5c<\/th>\n      <th>Gi\u00e1 tr\u1ecb \u0111i\u1ec3n h\u00ecnh<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>Lo\u1ea1i \u1ed5 c\u1eafm<\/td>\n      <td>NEMA 6-20<\/td>\n    <\/tr>\n    <tr>\n      <td>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c<\/td>\n      <td>\u0110i\u1ec7n \u00e1p 240V th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u khu d\u00e2n c\u01b0, v\u00e0 208V trong m\u1ed9t s\u1ed1 t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i.<\/td>\n    <\/tr>\n    <tr>\n      <td>\u0110\u1ecbnh m\u1ee9c m\u1ea1ch<\/td>\n      <td>20A<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u00f2ng \u0111i\u1ec7n s\u1ea1c xe \u0111i\u1ec7n li\u00ean t\u1ee5c \u0111i\u1ec3n h\u00ecnh<\/td>\n      <td>16A<\/td>\n    <\/tr>\n    <tr>\n      <td>C\u00f4ng su\u1ea5t s\u1ea1c \u0111i\u1ec3n h\u00ecnh \u1edf m\u1ee9c 240V<\/td>\n      <td>Kho\u1ea3ng 3,8 kW<\/td>\n    <\/tr>\n    <tr>\n      <td>C\u00f4ng su\u1ea5t s\u1ea1c \u0111i\u1ec3n h\u00ecnh \u1edf m\u1ee9c 208V<\/td>\n      <td>Kho\u1ea3ng 3,3 kW<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>M\u1ee9c c\u00f4ng su\u1ea5t n\u00e0y kh\u00f4ng cao so v\u1edbi b\u1ed9 s\u1ea1c t\u01b0\u1eddng gia \u0111\u00ecnh 40A ho\u1eb7c 48A. Nh\u01b0ng n\u00f3 v\u1eabn m\u1ea1nh h\u01a1n nhi\u1ec1u so v\u1edbi s\u1ea1c c\u1ea5p 1 t\u1eeb \u1ed5 c\u1eafm \u0111i\u1ec7n gia \u0111\u00ecnh 120V.<\/p>\n\n<h2 id=\"charging-speed\">S\u1ea1c xe \u0111i\u1ec7n b\u1eb1ng chu\u1ea9n NEMA 6-20 nhanh \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/h2>\n\n<p>T\u1ed1c \u0111\u1ed9 s\u1ea1c ph\u1ee5 thu\u1ed9c v\u00e0o xe, dung l\u01b0\u1ee3ng pin, b\u1ed9 s\u1ea1c t\u00edch h\u1ee3p, hi\u1ec7u su\u1ea5t s\u1ea1c, nhi\u1ec7t \u0111\u1ed9 v\u00e0 tr\u1ea1ng th\u00e1i s\u1ea1c. Theo \u01b0\u1edbc t\u00ednh \u0111\u01a1n gi\u1ea3n, m\u1ed9t h\u1ec7 th\u1ed1ng NEMA 6-20 ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p 240V v\u00e0 d\u00f2ng \u0111i\u1ec7n 16A c\u00f3 th\u1ec3 cung c\u1ea5p kho\u1ea3ng 3,8 kW tr\u01b0\u1edbc khi t\u00ednh \u0111\u1ebfn t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh s\u1ea1c.<\/p>\n\n<p>\u0110\u1ed1i v\u1edbi nhi\u1ec1u xe \u0111i\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u0103ng th\u00eam kho\u1ea3ng 10 \u0111\u1ebfn 15 d\u1eb7m qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n m\u1ed7i gi\u1edd s\u1ea1c. Con s\u1ed1 ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 kh\u00e1c nhau. M\u1ed9t chi\u1ebfc xe \u0111i\u1ec7n nh\u1ecf g\u1ecdn v\u00e0 ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u c\u00f3 th\u1ec3 t\u0103ng th\u00eam nhi\u1ec1u d\u1eb7m m\u1ed7i gi\u1edd h\u01a1n, trong khi m\u1ed9t chi\u1ebfc SUV ho\u1eb7c xe b\u00e1n t\u1ea3i \u0111i\u1ec7n l\u1edbn h\u01a1n c\u00f3 th\u1ec3 t\u0103ng \u00edt d\u1eb7m m\u1ed7i gi\u1edd h\u01a1n v\u1edbi c\u00f9ng m\u1ee9c c\u00f4ng su\u1ea5t.<\/p>\n\n<p>\u0110\u1ed1i v\u1edbi vi\u1ec7c l\u00e1i xe h\u00e0ng ng\u00e0y, c\u00e2u h\u1ecfi h\u1eefu \u00edch h\u01a1n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ea5t bao l\u00e2u \u0111\u1ec3 s\u1ea1c t\u1eeb 0% \u0111\u1ebfn 100%. H\u1ea7u h\u1ebft ng\u01b0\u1eddi l\u00e1i xe kh\u00f4ng x\u1ea3 h\u1ebft pin m\u1ed7i ng\u00e0y. N\u1ebfu ng\u01b0\u1eddi l\u00e1i xe c\u1ea7n s\u1ea1c \u0111\u01b0\u1ee3c t\u1eeb 30 \u0111\u1ebfn 50 d\u1eb7m qua \u0111\u00eam, b\u1ed9 s\u1ea1c NEMA 6-20 c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7. N\u1ebfu ng\u01b0\u1eddi l\u00e1i xe th\u01b0\u1eddng xuy\u00ean c\u1ea7n s\u1ea1c \u0111\u01b0\u1ee3c t\u1eeb 150 \u0111\u1ebfn 250 d\u1eb7m qua \u0111\u00eam, b\u1ed9 s\u1ea1c c\u1ea5p 2 c\u00f4ng su\u1ea5t cao h\u01a1n th\u01b0\u1eddng s\u1ebd thi\u1ebft th\u1ef1c h\u01a1n.<\/p>\n\n<div style=\"margin: 28px 0 34px;\">\n  <img decoding=\"async\" src=\"https:\/\/www.evb.com\/wp-content\/uploads\/2026\/06\/nema-5-15-vs-nema-6-20-vs-nema-14-50-ev-charging-comparison.webp\" alt=\"So s\u00e1nh \u1ed5 c\u1eafm NEMA 5-15 v\u1edbi NEMA 6-20 v\u00e0 NEMA 14-50 \u0111\u1ec3 s\u1ea1c EV\" style=\"width:100%; height:auto; border-radius:12px;\" \/>\n  <p style=\"margin:10px 0 0; font-size:14px; color:#7a7f87; text-align:center;\">So s\u00e1nh nhanh c\u00e1c lo\u1ea1i \u0111\u1ea7u c\u1eafm NEMA 5-15, NEMA 6-20 v\u00e0 NEMA 14-50 d\u00f9ng cho s\u1ea1c xe \u0111i\u1ec7n.<\/p>\n<\/div>\n\n<h2 id=\"nema-6-20-vs-5-15\">NEMA 6-20 so v\u1edbi NEMA 5-15<\/h2>\n\n<p>\u1ed4 c\u1eafm NEMA 5-15 l\u00e0 \u1ed5 c\u1eafm \u0111i\u1ec7n gia d\u1ee5ng ti\u00eau chu\u1ea9n 120V \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong h\u1ea7u h\u1ebft c\u00e1c h\u1ed9 gia \u0111\u00ecnh \u1edf B\u1eafc M\u1ef9. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea1c xe \u0111i\u1ec7n c\u1ea5p \u0111\u1ed9 1. \u1ed4 c\u1eafm NEMA 6-20 th\u00ec kh\u00e1c v\u00ec n\u00f3 cung c\u1ea5p \u0111i\u1ec7n \u00e1p 240V v\u00e0 h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t s\u1ea1c cao h\u01a1n khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p.<\/p>\n\n<table class=\"evb-table\">\n  <thead>\n    <tr>\n      <th>So s\u00e1nh<\/th>\n      <th>NEMA 5-15<\/th>\n      <th>NEMA 6-20<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u0110i\u1ec7n \u00e1p \u0111i\u1ec3n h\u00ecnh<\/td>\n      <td>120V<\/td>\n      <td>240V<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u00f2ng \u0111i\u1ec7n s\u1ea1c xe \u0111i\u1ec7n \u0111i\u1ec3n h\u00ecnh<\/td>\n      <td>12A li\u00ean t\u1ee5c<\/td>\n      <td>16A li\u00ean t\u1ee5c<\/td>\n    <\/tr>\n    <tr>\n      <td>C\u00f4ng su\u1ea5t s\u1ea1c \u01b0\u1edbc t\u00ednh<\/td>\n      <td>1,4 kW<\/td>\n      <td>3,8 kW<\/td>\n    <\/tr>\n    <tr>\n      <td>M\u1ee9c s\u1ea1c<\/td>\n      <td>C\u1ea5p \u0111\u1ed9 1<\/td>\n      <td>M\u1ee9c c\u00f4ng su\u1ea5t th\u1ea5p 2<\/td>\n    <\/tr>\n    <tr>\n      <td>T\u1ed1t nh\u1ea5t cho<\/td>\n      <td>S\u1ea1c \u0111\u1ecbnh k\u1ef3, qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n h\u00e0ng ng\u00e0y th\u1ea5p, h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng kh\u1ea9n c\u1ea5p.<\/td>\n      <td>S\u1ea1c qua \u0111\u00eam h\u00e0ng ng\u00e0y v\u1edbi nhu c\u1ea7u l\u00e1i xe v\u1eeba ph\u1ea3i.<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>N\u1ebfu ch\u1ee7 s\u1edf h\u1eefu xe \u0111i\u1ec7n c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu v\u00ec t\u1ed1c \u0111\u1ed9 s\u1ea1c c\u1ea5p 1 ch\u1eadm nh\u01b0ng kh\u00f4ng c\u00f3 \u0111\u1ee7 c\u00f4ng su\u1ea5t \u0111i\u1ec7n cho b\u1ed9 s\u1ea1c l\u1edbn h\u01a1n, NEMA 6-20 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn n\u00e2ng c\u1ea5p h\u1eefu \u00edch. \u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan h\u01a1n v\u1ec1 c\u00e1c l\u1ef1a ch\u1ecdn s\u1ea1c t\u1ea1i nh\u00e0, h\u00e3y xem h\u01b0\u1edbng d\u1eabn c\u1ee7a EVB v\u1ec1... <a href=\"https:\/\/www.evb.com\/vi\/charge-an-electric-car-at-home\/\">C\u00e1ch s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0<\/a>.<\/p>\n\n<h2 id=\"nema-6-20-vs-14-50\">NEMA 6-20 so v\u1edbi NEMA 14-50<\/h2>\n\n<p>\u1ed4 c\u1eafm NEMA 14-50 l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i \u1ed5 c\u1eafm ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0 \u1edf B\u1eafc M\u1ef9. \u0110\u00e2y l\u00e0 \u1ed5 c\u1eafm 240V\/50A v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t s\u1ea1c cao h\u01a1n nhi\u1ec1u so v\u1edbi NEMA 6-20 khi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n t\u01b0\u01a1ng th\u00edch.<\/p>\n\n<table class=\"evb-table\">\n  <thead>\n    <tr>\n      <th>So s\u00e1nh<\/th>\n      <th>NEMA 6-20<\/th>\n      <th>NEMA 14-50<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u0110\u1ecbnh m\u1ee9c m\u1ea1ch<\/td>\n      <td>20A<\/td>\n      <td>50A<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u00f2ng \u0111i\u1ec7n s\u1ea1c xe \u0111i\u1ec7n li\u00ean t\u1ee5c \u0111i\u1ec3n h\u00ecnh<\/td>\n      <td>16A<\/td>\n      <td>40A<\/td>\n    <\/tr>\n    <tr>\n      <td>C\u00f4ng su\u1ea5t s\u1ea1c \u01b0\u1edbc t\u00ednh \u1edf \u0111i\u1ec7n \u00e1p 240V<\/td>\n      <td>3,8 kW<\/td>\n      <td>9,6 kW<\/td>\n    <\/tr>\n    <tr>\n      <td>D\u00e2y d\u1eabn trung t\u00ednh<\/td>\n      <td>KH\u00d4NG<\/td>\n      <td>\u0110\u00fang<\/td>\n    <\/tr>\n    <tr>\n      <td>S\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<\/td>\n      <td>S\u1ea1c di \u0111\u1ed9ng c\u1ea5p 2 c\u00f4ng su\u1ea5t th\u1ea5p<\/td>\n      <td>S\u1ea1c c\u1ea5p 2 c\u00f4ng su\u1ea5t cao d\u00e0nh cho gia \u0111\u00ecnh ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i nh\u1ecf<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<p>Chu\u1ea9n NEMA 14-50 ph\u00f9 h\u1ee3p h\u01a1n khi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n s\u1ea1c nhanh h\u01a1n v\u00e0 b\u1ea3ng \u0111i\u1ec7n c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 m\u1ea1ch 50A. Chu\u1ea9n NEMA 6-20 ph\u00f9 h\u1ee3p h\u01a1n khi c\u00f4ng su\u1ea5t \u0111i\u1ec7n c\u00f3 s\u1eb5n b\u1ecb h\u1ea1n ch\u1ebf, ng\u01b0\u1eddi d\u00f9ng l\u00e1i xe qu\u00e3ng \u0111\u01b0\u1eddng v\u1eeba ph\u1ea3i m\u1ed7i ng\u00e0y ho\u1eb7c mu\u1ed1n s\u1eed d\u1ee5ng b\u1ed9 s\u1ea1c di \u0111\u1ed9ng c\u1ea5p 2 nh\u1ecf g\u1ecdn h\u01a1n.<\/p>\n\n<p>\u0110\u1ed1i v\u1edbi vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh t\u1ea1i nh\u00e0 ho\u1eb7c c\u01a1 s\u1edf th\u01b0\u01a1ng m\u1ea1i, b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n c\u00f3 d\u00e2y th\u01b0\u1eddng b\u1ec1n h\u01a1n so v\u1edbi vi\u1ec7c ch\u1ec9 d\u1ef1a v\u00e0o \u1ed5 c\u1eafm \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n cao. Nh\u01b0ng \u0111\u1ed1i v\u1edbi vi\u1ec7c s\u1ea1c di \u0111\u1ed9ng v\u00e0 s\u1eed d\u1ee5ng c\u00f4ng su\u1ea5t th\u1ea5p, \u1ed5 c\u1eafm NEMA 6-20 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch v\u1eabn c\u00f3 th\u1ec3 h\u1eefu \u00edch. N\u1ebfu b\u1ea1n \u0111ang so s\u00e1nh c\u00e1c h\u1ec7 th\u1ed1ng ph\u00edch c\u1eafm theo khu v\u1ef1c b\u00ean ngo\u00e0i B\u1eafc M\u1ef9, h\u00e3y tham kh\u1ea3o EVB. <a href=\"https:\/\/www.evb.com\/vi\/cee-plug-for-ev-charging-what-it-is-and-when-to-use-it\/\">H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng ph\u00edch c\u1eafm CEE cho b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/a> B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch kh\u00eda c\u1ea1nh ch\u00e2u \u00c2u c\u1ee7a v\u1ea5n \u0111\u1ec1.<\/p>\n\n<h2 id=\"when-to-use\">Khi n\u00e0o th\u00ec n\u00ean s\u1eed d\u1ee5ng \u1ed5 c\u1eafm NEMA 6-20?<\/h2>\n\n<p>\u1ed4 c\u1eafm NEMA 6-20 l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd nh\u1ea5t khi nhu c\u1ea7u s\u1ea1c pin th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft nh\u01b0ng \u1edf m\u1ee9c \u0111\u1ed9 v\u1eeba ph\u1ea3i. N\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 thay th\u1ebf tr\u1ea1m s\u1ea1c c\u00f4ng su\u1ea5t cao, nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p th\u00f4ng minh trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p ph\u00f9 h\u1ee3p.<\/p>\n\n<h3>1. S\u1ea1c t\u1ea1i nh\u00e0 cho qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n v\u1eeba ph\u1ea3i m\u1ed7i ng\u00e0y.<\/h3>\n<p>N\u1ebfu ng\u01b0\u1eddi l\u00e1i xe \u0111i\u1ec7n th\u01b0\u1eddng \u0111i t\u1eeb 20 \u0111\u1ebfn 60 d\u1eb7m m\u1ed7i ng\u00e0y v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec3 xe c\u1eafm s\u1ea1c qua \u0111\u00eam, b\u1ed9 s\u1ea1c NEMA 6-20 c\u00f3 th\u1ec3 cung c\u1ea5p \u0111\u1ee7 n\u0103ng l\u01b0\u1ee3ng cho vi\u1ec7c s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng. N\u00f3 mang l\u1ea1i s\u1ef1 c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t so v\u1edbi s\u1ea1c c\u1ea5p 1 m\u00e0 kh\u00f4ng c\u1ea7n m\u1ea1ch \u0111i\u1ec7n l\u1edbn.<\/p>\n\n<h3>2. Nh\u00e0 \u0111\u1ec3 xe c\u00f3 c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf<\/h3>\n<p>M\u1ed9t s\u1ed1 ng\u00f4i nh\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ee7 c\u00f4ng su\u1ea5t b\u1ea3ng \u0111i\u1ec7n cho m\u1ea1ch s\u1ea1c xe \u0111i\u1ec7n 40A ho\u1eb7c 50A m\u00e0 kh\u00f4ng c\u1ea7n n\u00e2ng c\u1ea5p. M\u1ea1ch 20A 240V c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng h\u1ed7 tr\u1ee3 h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1edfi m\u1ed9t th\u1ee3 \u0111i\u1ec7n, kh\u00f4ng n\u00ean t\u1ef1 ph\u1ecfng \u0111o\u00e1n.<\/p>\n\n<h3>3. S\u1ea1c xe \u0111i\u1ec7n di \u0111\u1ed9ng<\/h3>\n<p>\u1ed4 c\u1eafm NEMA 6-20 r\u1ea5t h\u1eefu \u00edch cho nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe mu\u1ed1n c\u00f3 t\u00f9y ch\u1ecdn s\u1ea1c c\u1ea5p 2 di \u0111\u1ed9ng. N\u1ebfu b\u1ed9 s\u1ea1c h\u1ed7 tr\u1ee3 lo\u1ea1i \u1ed5 c\u1eafm n\u00e0y v\u00e0 \u1ed5 c\u1eafm \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn linh ho\u1ea1t cho nh\u00e0 \u0111\u1ec3 xe, x\u01b0\u1edfng ho\u1eb7c \u0111\u1ecba \u0111i\u1ec3m du l\u1ecbch n\u01a1i c\u00f3 ngu\u1ed3n \u0111i\u1ec7n t\u01b0\u01a1ng th\u00edch.<\/p>\n\n<h3>4. B\u00e3i \u0111\u1eadu xe chung c\u01b0 ho\u1eb7c nh\u00e0 \u1edf nhi\u1ec1u t\u1ea7ng v\u1edbi c\u00e1c v\u00f2ng xoay nh\u1ecf h\u01a1n<\/h3>\n<p>Trong m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng b\u00e3i \u0111\u1ed7 xe chung, vi\u1ec7c trang b\u1ecb b\u1ed9 s\u1ea1c c\u00f4ng su\u1ea5t cao cho m\u1ecdi ch\u1ed7 \u0111\u1ed7 xe l\u00e0 r\u1ea5t kh\u00f3 kh\u0103n. S\u1ea1c c\u1ea5p \u0111\u1ed9 2 c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n \u0111\u00f4i khi c\u00f3 th\u1ec3 cho ph\u00e9p ph\u1ee5c v\u1ee5 nhi\u1ec1u ch\u1ed7 \u0111\u1ed7 xe h\u01a1n trong ph\u1ea1m vi c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, <a href=\"https:\/\/www.evb.com\/vi\/ev-charging-load-management\/\">Qu\u1ea3n l\u00fd t\u1ea3i s\u1ea1c EV<\/a> v\u00e0 ph\u1ea7n m\u1ec1m thanh to\u00e1n c\u00f3 th\u1ec3 quan tr\u1ecdng h\u01a1n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a c\u1ee7a b\u1ed9 s\u1ea1c.<\/p>\n\n<h3>5. T\u00f9y ch\u1ecdn s\u1ea1c d\u1ef1 ph\u00f2ng cho ch\u1ee7 s\u1edf h\u1eefu xe \u0111i\u1ec7n<\/h3>\n<p>M\u1ed9t s\u1ed1 ng\u01b0\u1eddi l\u00e1i xe \u0111i\u1ec7n s\u1eed d\u1ee5ng b\u1ed9 s\u1ea1c g\u1eafn t\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 cao l\u00e0m b\u1ed9 s\u1ea1c ch\u00ednh v\u00e0 gi\u1eef m\u1ed9t b\u1ed9 s\u1ea1c di \u0111\u1ed9ng l\u00e0m d\u1ef1 ph\u00f2ng. B\u1ed9 s\u1ea1c di \u0111\u1ed9ng t\u01b0\u01a1ng th\u00edch NEMA 6-20 c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t \u0111\u01b0\u1eddng s\u1ea1c ph\u1ee5 h\u1eefu \u00edch n\u1ebfu b\u1ed9 s\u1ea1c ch\u00ednh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n<h2 id=\"installation\">C\u00e1c l\u01b0u \u00fd v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 an to\u00e0n<\/h2>\n\n<p>Vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n theo chu\u1ea9n NEMA 6-20 c\u1ea7n \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n th\u1ef1c s\u1ef1, ch\u1ee9 kh\u00f4ng ph\u1ea3i ch\u1ec9 l\u00e0 c\u1eafm \u0111i\u1ec7n t\u00f9y ti\u1ec7n. \u1ed4 c\u1eafm 240V c\u00f3 th\u1ec3 an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady khi \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, nh\u01b0ng c\u00f3 th\u1ec3 tr\u1edf n\u00ean nguy hi\u1ec3m n\u1ebfu m\u1ea1ch \u0111i\u1ec7n, d\u00e2y d\u1eabn, c\u1ea7u dao, \u1ed5 c\u1eafm ho\u1eb7c b\u1ed9 s\u1ea1c kh\u00f4ng ph\u00f9 h\u1ee3p.<\/p>\n\n<div class=\"evb-tip\">\n  <strong>L\u01b0u \u00fd v\u1ec1 an to\u00e0n:<\/strong> Qu\u00e1 tr\u00ecnh s\u1ea1c xe \u0111i\u1ec7n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i nhi\u1ec1u gi\u1edd. N\u1ebfu ph\u00edch c\u1eafm b\u1ecb n\u00f3ng, \u1ed5 c\u1eafm b\u1ecb l\u1ecfng ho\u1eb7c c\u1ea7u dao li\u00ean t\u1ee5c b\u1ecb ng\u1eaft, h\u00e3y ng\u1eebng s\u1eed d\u1ee5ng \u1ed5 c\u1eafm v\u00e0 nh\u1edd ng\u01b0\u1eddi \u0111\u1ebfn ki\u1ec3m tra h\u1ec7 th\u1ed1ng.\n<\/div>\n\n<h3>S\u1eed d\u1ee5ng m\u1ea1ch \u0111i\u1ec7n ri\u00eang bi\u1ec7t<\/h3>\n<p>Vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u1eddng n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua m\u1ed9t m\u1ea1ch \u0111i\u1ec7n ri\u00eang bi\u1ec7t. Vi\u1ec7c d\u00f9ng chung m\u1ea1ch \u0111i\u1ec7n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ti\u00eau th\u1ee5 kh\u00e1c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ng\u1eaft m\u1ea1ch kh\u00f4ng c\u1ea7n thi\u1ebft, qu\u00e1 nhi\u1ec7t ho\u1eb7c v\u1eadn h\u00e0nh kh\u00f4ng an to\u00e0n.<\/p>\n\n<h3>X\u00e1c nh\u1eadn \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u dao, d\u00e2y d\u1eabn v\u00e0 \u1ed5 c\u1eafm.<\/h3>\n<p>C\u1ea7u dao, k\u00edch th\u01b0\u1edbc d\u00e2y d\u1eabn, \u1ed5 c\u1eafm v\u00e0 c\u00e0i \u0111\u1eb7t d\u00f2ng \u0111i\u1ec7n c\u1ee7a b\u1ed9 s\u1ea1c ph\u1ea3i ph\u00f9 h\u1ee3p. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng \u1ed5 c\u1eafm NEMA 6-20 nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf cho b\u1ed9 s\u1ea1c c\u00f4ng su\u1ea5t cao h\u01a1n. N\u1ebfu b\u1ed9 s\u1ea1c c\u00f3 th\u1ec3 ti\u00eau th\u1ee5 d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c l\u1edbn h\u01a1n 16A, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch ho\u1eb7c thay th\u1ebf b\u1eb1ng m\u1ed9t m\u1eabu ph\u00f9 h\u1ee3p.<\/p>\n\n<h3>Kh\u00f4ng s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng an to\u00e0n.<\/h3>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro nghi\u00eam tr\u1ecdng n\u1ebfu ch\u00fang cho ph\u00e9p b\u1ed9 s\u1ea1c l\u1ea5y d\u00f2ng \u0111i\u1ec7n v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng cung c\u1ea5p an to\u00e0n c\u1ee7a \u1ed5 c\u1eafm ho\u1eb7c m\u1ea1ch \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n, b\u1ed9 s\u1ea1c ph\u1ea3i nh\u1eadn bi\u1ebft ho\u1eb7c \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n kh\u00f4ng ch\u00ednh h\u00e3ng \u0111\u1ec3 v\u01b0\u1ee3t qua c\u00e1c gi\u1edbi h\u1ea1n \u0111i\u1ec7n.<\/p>\n\n<h3>H\u00e3y tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 thu\u00ea th\u1ee3 \u0111i\u1ec7n c\u00f3 tay ngh\u1ec1.<\/h3>\n<p>C\u00e1c quy \u0111\u1ecbnh v\u1ec1 \u0111i\u1ec7n kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng khu v\u1ef1c. Gi\u1ea5y ph\u00e9p, y\u00eau c\u1ea7u v\u1ec1 thi\u1ebft b\u1ecb ch\u1ed1ng r\u00f2 r\u1ec9 \u0111i\u1ec7n (GFCI), v\u1ecb tr\u00ed \u0111\u1eb7t \u1ed5 c\u1eafm, b\u1ea3o v\u1ec7 kh\u1ecfi th\u1eddi ti\u1ebft v\u00e0 c\u00e1c quy t\u1eafc ki\u1ec3m tra c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. M\u1ed9t th\u1ee3 \u0111i\u1ec7n c\u00f3 gi\u1ea5y ph\u00e9p c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn li\u1ec7u \u1ed5 c\u1eafm NEMA 6-20 c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed \u0111\u00f3 hay kh\u00f4ng v\u00e0 li\u1ec7u b\u1ed9 s\u1ea1c n\u1ed1i d\u00e2y tr\u1ef1c ti\u1ebfp c\u00f3 an to\u00e0n h\u01a1n ho\u1eb7c thi\u1ebft th\u1ef1c h\u01a1n hay kh\u00f4ng.<\/p>\n\n<h2 id=\"charger-selection\">C\u00e1ch ch\u1ecdn b\u1ed9 s\u1ea1c ph\u00f9 h\u1ee3p v\u1edbi \u1ed5 c\u1eafm NEMA 6-20<\/h2>\n\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n \u0111\u1ec1u ph\u00f9 h\u1ee3p v\u1edbi \u1ed5 c\u1eafm NEMA 6-20. B\u1ed9 s\u1ea1c ph\u1ea3i h\u1ed7 tr\u1ee3 ph\u00edch c\u1eafm \u0111\u1ea7u v\u00e0o ph\u00f9 h\u1ee3p v\u00e0 ph\u1ea3i gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n \u1edf m\u1ee9c th\u00edch h\u1ee3p cho m\u1ea1ch 20A.<\/p>\n\n<p>Khi ch\u1ecdn b\u1ed9 s\u1ea1c, h\u00e3y ki\u1ec3m tra nh\u1eefng \u0111i\u1ec3m sau. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n c\u1ea7n gi\u00e1m s\u00e1t, l\u1eadp h\u00f3a \u0111\u01a1n, ki\u1ec3m so\u00e1t truy c\u1eadp ho\u1eb7c kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch OCPP, EVB l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. <a href=\"https:\/\/www.evb.com\/vi\/ev-charging-management-software-guide\/\">H\u01b0\u1edbng d\u1eabn ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd s\u1ea1c xe \u0111i\u1ec7n<\/a> B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch c\u00e1ch ph\u1ea7n m\u1ec1m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i.<\/p>\n\n<ol class=\"evb-steps\">\n  <li><strong>Ki\u1ec3m tra ph\u00edch c\u1eafm \u0111\u1ea7u v\u00e0o.<\/strong> B\u1ed9 s\u1ea1c ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi chu\u1ea9n NEMA 6-20.<\/li>\n  <li><strong>X\u00e1c nh\u1eadn gi\u1edbi h\u1ea1n hi\u1ec7n t\u1ea1i.<\/strong> B\u1ed9 s\u1ea1c ph\u1ea3i h\u1ed7 tr\u1ee3 \u0111\u1ea7u ra 16A cho m\u1ea1ch 20A.<\/li>\n  <li><strong>H\u00e3y t\u00ecm \u0111\u1ea7u n\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi xe.<\/strong> C\u00e1c lo\u1ea1i xe \u1edf B\u1eafc M\u1ef9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng J1772, NACS\/J3400 ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng m\u1eabu xe.<\/li>\n  <li><strong>Xem x\u00e9t ch\u1ee9ng nh\u1eadn an to\u00e0n.<\/strong> H\u00e3y t\u00ecm mua thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m b\u1edfi ph\u00f2ng th\u00ed nghi\u1ec7m ki\u1ec3m \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn, n\u1ebfu c\u00f3 th\u1ec3.<\/li>\n  <li><strong>L\u00ean k\u1ebf ho\u1ea1ch v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t.<\/strong> D\u00e2y c\u00e1p s\u1ea1c ph\u1ea3i \u0111\u1ee7 d\u00e0i \u0111\u1ec3 n\u1ed1i \u0111\u1ebfn xe m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y n\u1ed1i d\u00e0i.<\/li>\n  <li><strong>H\u00e3y xem x\u00e9t c\u00e1c ch\u1ee9c n\u0103ng th\u00f4ng minh.<\/strong> L\u1eadp k\u1ebf ho\u1ea1ch, gi\u00e1m s\u00e1t \u0111i\u1ec7n n\u0103ng v\u00e0 qu\u1ea3n l\u00fd t\u1ea3i c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng v\u00e0 tr\u00e1nh qu\u00e1 t\u1ea3i.<\/li>\n<\/ol>\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng c\u00e1 nh\u00e2n, s\u1ef1 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o th\u00f3i quen l\u00e1i xe v\u00e0 c\u00f4ng su\u1ea5t \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, c\u00e1c t\u00f2a nh\u00e0 chung c\u01b0 v\u00e0 c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh b\u00e3i \u0111\u1eadu xe, quy\u1ebft \u0111\u1ecbnh c\u0169ng c\u1ea7n xem x\u00e9t \u0111\u1ebfn kh\u1ea3 n\u0103ng truy c\u1eadp c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, thanh to\u00e1n, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi OCPP, b\u1ea3o tr\u00ec v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng l\u00e2u d\u00e0i.<\/p>\n\n<h2 id=\"commercial-use\">Chu\u1ea9n NEMA 6-20 c\u00f3 ph\u00f9 h\u1ee3p cho vi\u1ec7c s\u1ea1c xe \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i kh\u00f4ng?<\/h2>\n\n<p>Chu\u1ea9n NEMA 6-20 th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho vi\u1ec7c s\u1ea1c \u0111i\u1ec7n c\u00f4ng c\u1ed9ng ho\u1eb7c th\u01b0\u01a1ng m\u1ea1i t\u1ea1o doanh thu. C\u00f4ng su\u1ea5t c\u1ee7a n\u00f3 qu\u00e1 th\u1ea5p \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f3 t\u1ed1c \u0111\u1ed9 s\u1ea1c nhanh nh\u01b0 trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, tr\u1ea1m d\u1eebng tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c v\u00e0 b\u00e3i \u0111\u1ed7 xe. Nh\u1eefng \u1ee9ng d\u1ee5ng n\u00e0y th\u01b0\u1eddng c\u1ea7n b\u1ed9 s\u1ea1c AC c\u00f4ng su\u1ea5t cao h\u01a1n, b\u1ed9 s\u1ea1c nhanh DC ho\u1eb7c h\u1ec7 th\u1ed1ng s\u1ea1c qu\u1ea3n l\u00fd t\u1ea3i.<\/p>\n\n<p>Tuy nhi\u00ean, s\u1ea1c c\u1ea5p \u0111\u1ed9 2 c\u00f4ng su\u1ea5t th\u1ea5p v\u1eabn c\u00f3 th\u1ec3 h\u1eefu \u00edch trong m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i nh\u1ea5t \u0111\u1ecbnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u01a1i xe \u0111\u1ed7 trong nhi\u1ec1u gi\u1edd. V\u00ed d\u1ee5, EVB c\u00f3 c\u00e1c trang gi\u1ea3i ph\u00e1p ri\u00eang bi\u1ec7t d\u00e0nh cho <a href=\"https:\/\/www.evb.com\/vi\/by-industry\/workplace-charging\/\">s\u1ea1c t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c<\/a> V\u00e0 <a href=\"https:\/\/www.evb.com\/vi\/by-industry\/commercial-parking-charging\/\">Ph\u00ed \u0111\u1ed7 xe th\u01b0\u01a1ng m\u1ea1i<\/a>.<\/p>\n\n<ul>\n  <li>B\u00e3i \u0111\u1ed7 xe t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c, n\u01a1i xe c\u1ed9 \u0111\u1eadu trong nhi\u1ec1u gi\u1edd.<\/li>\n  <li>Ch\u1ed7 \u0111\u1ed7 xe cho c\u0103n h\u1ed9 ho\u1eb7c chung c\u01b0 c\u00f3 th\u1eddi gian \u0111\u1eadu qua \u0111\u00eam.<\/li>\n  <li>B\u00e3i \u0111\u1eadu xe kh\u00e1ch s\u1ea1n ho\u1eb7c b\u00e3i \u0111\u1eadu xe d\u00e0i h\u1ea1n<\/li>\n  <li>B\u00e3i \u0111\u1ed7 xe d\u1ecbch v\u1ee5 v\u1edbi xe \u0111i\u1ec7n h\u1ea1ng nh\u1eb9<\/li>\n  <li>Nh\u00e2n vi\u00ean t\u00ednh ph\u00ed khi vi\u1ec7c ki\u1ec3m so\u00e1t chi ph\u00ed quan tr\u1ecdng h\u01a1n t\u1ed1c \u0111\u1ed9.<\/li>\n<\/ul>\n\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m n\u00e0y, v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng h\u01a1n kh\u00f4ng ch\u1ec9 l\u00e0 lo\u1ea1i ph\u00edch c\u1eafm. C\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh c\u1ea7n c\u00e2n nh\u1eafc \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u1ed9 s\u1ea1c, qu\u1ea3n l\u00fd ng\u01b0\u1eddi d\u00f9ng, ki\u1ec3m so\u00e1t truy c\u1eadp, thanh to\u00e1n, b\u00e1o c\u00e1o, gi\u1edbi h\u1ea1n n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o tr\u00ec. EVB cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p s\u1ea1c xe \u0111i\u1ec7n AC v\u00e0 DC cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i, n\u01a1i l\u00e0m vi\u1ec7c, \u0111\u1ed9i xe v\u00e0 s\u1ea1c c\u00f4ng c\u1ed9ng, bao g\u1ed3m ph\u1ea7n m\u1ec1m s\u1ea1c v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn qu\u1ea3n l\u00fd t\u1ea3i cho c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn h\u01a1n.<\/p>\n\n<h2 id=\"mistakes\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ea7n tr\u00e1nh<\/h2>\n\n<h3>Ch\u1ecdn c\u1eeda h\u00e0ng tr\u01b0\u1edbc khi hi\u1ec3u r\u00f5 nhu c\u1ea7u l\u00e1i xe<\/h3>\n<p>\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng, nh\u01b0ng c\u00f3 th\u1ec3 qu\u00e1 ch\u1eadm \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe c\u00f3 qu\u00e3ng \u0111\u01b0\u1eddng \u0111i l\u00e0m d\u00e0i h\u00e0ng ng\u00e0y, s\u1eed d\u1ee5ng pin l\u1edbn ho\u1eb7c c\u00f3 th\u1eddi gian \u0111\u1ed7 xe h\u1ea1n ch\u1ebf. H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng c\u1ea7n thi\u1ebft h\u00e0ng ng\u00e0y, ch\u1ee9 kh\u00f4ng ch\u1ec9 l\u00e0 kh\u1ea3 n\u0103ng t\u00ecm \u0111\u01b0\u1ee3c \u1ed5 c\u1eafm ph\u00f9 h\u1ee3p.<\/p>\n\n<h3>Gi\u1ea3 s\u1eed t\u1ea5t c\u1ea3 c\u00e1c \u1ed5 c\u1eafm 240V \u0111\u1ec1u gi\u1ed1ng nhau.<\/h3>\n<p>NEMA 6-20, NEMA 6-50, NEMA 14-30 v\u00e0 NEMA 14-50 l\u00e0 c\u00e1c c\u1ea5u h\u00ecnh kh\u00e1c nhau v\u1edbi \u0111\u1ecbnh m\u1ee9c v\u00e0 y\u00eau c\u1ea7u \u0111\u1ea5u d\u00e2y kh\u00e1c nhau. H\u00ecnh d\u1ea1ng ph\u00edch c\u1eafm kh\u00f4ng ch\u1ec9 l\u00e0 chi ti\u1ebft ti\u1ec7n l\u1ee3i. N\u00f3 cho bi\u1ebft thi\u1ebft b\u1ecb \u0111\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1eed d\u1ee5ng trong lo\u1ea1i m\u1ea1ch \u0111i\u1ec7n n\u00e0o.<\/p>\n\n<h3>S\u1eed d\u1ee5ng d\u00e2y n\u1ed1i d\u00e0i<\/h3>\n<p>Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng d\u00e2y n\u1ed1i d\u00e0i \u0111\u1ec3 s\u1ea1c xe \u0111i\u1ec7n tr\u1eeb khi nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb cho ph\u00e9p thi\u1ebft l\u1eadp ph\u00f9 h\u1ee3p. Th\u1eddi gian s\u1ea1c d\u00e0i c\u00f3 th\u1ec3 l\u00e0m n\u00f3ng c\u00e1c m\u1ed1i n\u1ed1i y\u1ebfu v\u00e0 d\u00e2y d\u1eabn kh\u00f4ng \u0111\u1ee7 c\u00f4ng su\u1ea5t.<\/p>\n\n<h3>B\u1ecf qua d\u1ecbch v\u1ee5 \u0111i\u1ec7n 208V trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i<\/h3>\n<p>M\u1ed9t s\u1ed1 t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i cung c\u1ea5p \u0111i\u1ec7n \u00e1p 208V thay v\u00ec 240V. B\u1ed9 s\u1ea1c c\u00f3 d\u00f2ng \u0111i\u1ec7n 16A \u1edf \u0111i\u1ec7n \u00e1p 208V s\u1ebd cung c\u1ea5p c\u00f4ng su\u1ea5t kho\u1ea3ng 3,3 kW thay v\u00ec 3,8 kW. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian s\u1ea1c.<\/p>\n\n<h3>Qu\u00ean m\u1ea5t nhu c\u1ea7u s\u1ea1c pin trong t\u01b0\u01a1ng lai<\/h3>\n<p>H\u1ec7 th\u1ed1ng s\u1ea1c NEMA 6-20 c\u00f3 th\u1ec3 \u0111\u1ee7 d\u00f9ng cho m\u1ed9t xe \u0111i\u1ec7n hi\u1ec7n nay. Nh\u01b0ng n\u1ebfu sau n\u00e0y gia \u0111\u00ecnh \u0111\u00f3 c\u00f3 th\u00eam m\u1ed9t chi\u1ebfc xe \u0111i\u1ec7n th\u1ee9 hai, ho\u1eb7c n\u1ebfu doanh nghi\u1ec7p m\u1edf r\u1ed9ng nhu c\u1ea7u s\u1ea1c, th\u00ec m\u1ed9t k\u1ebf ho\u1ea1ch s\u1ea1c c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng s\u1ebd ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n so v\u1edbi vi\u1ec7c n\u00e2ng c\u1ea5p nh\u1ecf l\u1ebb nhi\u1ec1u l\u1ea7n.<\/p>\n\n<h2 id=\"final-thoughts\">L\u1eddi k\u1ebft<\/h2>\n\n<p>\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u1eefu \u00edch \u0111\u1ec3 s\u1ea1c xe \u0111i\u1ec7n khi ng\u01b0\u1eddi d\u00f9ng c\u1ea7n t\u1ed1c \u0111\u1ed9 s\u1ea1c nhanh h\u01a1n \u1ed5 c\u1eafm gia \u0111\u00ecnh ti\u00eau chu\u1ea9n nh\u01b0ng kh\u00f4ng c\u1ea7n c\u00f4ng su\u1ea5t t\u1ed1i \u0111a c\u1ee7a m\u1ea1ch s\u1ea1c c\u1ea5p 2 l\u1edbn h\u01a1n. V\u1edbi c\u00f4ng su\u1ea5t kho\u1ea3ng 3,8 kW tr\u00ean thi\u1ebft l\u1eadp 240V\/16A, n\u00f3 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 s\u1ea1c qua \u0111\u00eam cho nhi\u1ec1u ki\u1ec3u l\u00e1i xe h\u00e0ng ng\u00e0y.<\/p>\n\n<p>\u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n, nhu c\u1ea7u \u0111i\u1ec7n n\u0103ng v\u1eeba ph\u1ea3i v\u00e0 t\u00ednh di \u0111\u1ed9ng. H\u1ea1n ch\u1ebf l\u1edbn nh\u1ea5t l\u00e0 t\u1ed1c \u0111\u1ed9 s\u1ea1c v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe \u0111i \u00edt ho\u1eb7c \u0111i qu\u00e3ng \u0111\u01b0\u1eddng trung b\u00ecnh, n\u00f3 c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ecba \u0111i\u1ec3m th\u01b0\u01a1ng m\u1ea1i, \u0111\u1ed9i xe v\u00e0 c\u00e1c b\u00e3i \u0111\u1ed7 xe c\u00f3 l\u01b0\u1ee3ng xe ra v\u00e0o cao, tr\u1ea1m s\u1ea1c AC chuy\u00ean d\u1ee5ng ho\u1eb7c gi\u1ea3i ph\u00e1p s\u1ea1c nhanh DC th\u01b0\u1eddng s\u1ebd ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n\n<p>C\u00e1ch an to\u00e0n nh\u1ea5t l\u00e0 l\u1ef1a ch\u1ecdn b\u1ed9 s\u1ea1c ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf, x\u00e1c nh\u1eadn c\u00f4ng su\u1ea5t \u0111i\u1ec7n v\u00e0 nh\u1edd th\u1ee3 \u0111i\u1ec7n c\u00f3 chuy\u00ean m\u00f4n ki\u1ec3m tra vi\u1ec7c l\u1eafp \u0111\u1eb7t. M\u1ed9t h\u1ec7 th\u1ed1ng s\u1ea1c \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch \u0111\u00fang c\u00e1ch kh\u00f4ng ch\u1ec9 nhanh h\u01a1n m\u00e0 c\u00f2n an to\u00e0n h\u01a1n, \u0111\u00e1ng tin c\u1eady h\u01a1n v\u00e0 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng h\u01a1n sau n\u00e0y.<\/p>\n\n<h2 id=\"faq\">Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">T\u00f4i c\u00f3 th\u1ec3 s\u1ea1c xe \u0111i\u1ec7n b\u1eb1ng \u1ed5 c\u1eafm NEMA 6-20 \u0111\u01b0\u1ee3c kh\u00f4ng?<\/div>\n  <div class=\"evb-faq-a\">C\u00f3, n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n t\u01b0\u01a1ng th\u00edch ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 s\u1ea1c ph\u00ea duy\u1ec7t, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho chu\u1ea9n NEMA 6-20 v\u00e0 gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n \u0111\u00fang c\u00e1ch. \u1ed4 c\u1eafm ph\u1ea3i n\u1eb1m tr\u00ean m\u1ea1ch \u0111i\u1ec7n ri\u00eang ph\u00f9 h\u1ee3p v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1edfi th\u1ee3 \u0111i\u1ec7n c\u00f3 tr\u00ecnh \u0111\u1ed9.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n NEMA 6-20 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ed1i \u0111a bao nhi\u00eau ampe?<\/div>\n  <div class=\"evb-faq-a\">M\u1ea1ch NEMA 6-20 c\u00f3 \u0111\u1ecbnh m\u1ee9c 20A, nh\u01b0ng s\u1ea1c xe \u0111i\u1ec7n l\u00e0 t\u1ea3i li\u00ean t\u1ee5c. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, b\u1ed9 s\u1ea1c kh\u00f4ng n\u00ean ti\u00eau th\u1ee5 qu\u00e1 16A li\u00ean t\u1ee5c tr\u00ean m\u1ea1ch 20A.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">B\u1ed9 s\u1ea1c NEMA 6-20 c\u00f3 c\u00f4ng su\u1ea5t bao nhi\u00eau kW?<\/div>\n  <div class=\"evb-faq-a\">\u1ede \u0111i\u1ec7n \u00e1p 240V v\u00e0 d\u00f2ng \u0111i\u1ec7n 16A, b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n NEMA 6-20 cung c\u1ea5p kho\u1ea3ng 3,8 kW tr\u01b0\u1edbc khi t\u00ednh \u0111\u1ebfn t\u1ed5n th\u1ea5t s\u1ea1c. \u1ede \u0111i\u1ec7n \u00e1p 208V v\u00e0 d\u00f2ng \u0111i\u1ec7n 16A, n\u00f3 cung c\u1ea5p kho\u1ea3ng 3,3 kW.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">Chu\u1ea9n NEMA 6-20 l\u00e0 chu\u1ea9n s\u1ea1c c\u1ea5p 1 hay c\u1ea5p 2?<\/div>\n  <div class=\"evb-faq-a\">C\u1ed5ng NEMA 6-20 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea1c \u0111i\u1ec7n \u00e1p 240V, do \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c coi l\u00e0 c\u1ed5ng s\u1ea1c c\u1ea5p 2. So v\u1edbi c\u00e1c m\u1ea1ch \u0111i\u1ec7n l\u1edbn h\u01a1n nh\u01b0 NEMA 14-50, c\u1ed5ng s\u1ea1c c\u1ea5p 2 n\u00e0y c\u00f3 c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 t\u1ed1t h\u01a1n \u1ed5 c\u1eafm \u0111i\u1ec7n gia d\u1ee5ng th\u00f4ng th\u01b0\u1eddng kh\u00f4ng?<\/div>\n  <div class=\"evb-faq-a\">V\u1ec1 t\u1ed1c \u0111\u1ed9 s\u1ea1c xe \u0111i\u1ec7n, c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3. \u1ed4 c\u1eafm \u0111i\u1ec7n gia d\u1ee5ng 120V th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng cung c\u1ea5p s\u1ea1c c\u1ea5p \u0111\u1ed9 1, trong khi \u1ed5 c\u1eafm NEMA 6-20 c\u00f3 th\u1ec3 cung c\u1ea5p s\u1ea1c c\u1ea5p \u0111\u1ed9 2 c\u00f4ng su\u1ea5t th\u1ea5p h\u01a1n, g\u1ea5p kho\u1ea3ng hai \u0111\u1ebfn ba l\u1ea7n c\u00f4ng su\u1ea5t s\u1ea1c c\u1ea5p \u0111\u1ed9 1.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 \u0111\u1ee7 c\u00f4ng su\u1ea5t \u0111\u1ec3 s\u1ea1c qua \u0111\u00eam kh\u00f4ng?<\/div>\n  <div class=\"evb-faq-a\">M\u1ee9c s\u1ea1c n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ee7 d\u00f9ng cho nhi\u1ec1u t\u00e0i x\u1ebf c\u00f3 qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n trung b\u00ecnh m\u1ed7i ng\u00e0y. N\u1ebfu b\u1ea1n c\u1ea7n s\u1ea1c \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng \u0111i\u1ec7n l\u1edbn m\u1ed7i \u0111\u00eam, b\u1ed9 s\u1ea1c c\u1ea5p 2 c\u00f4ng su\u1ea5t cao h\u01a1n c\u00f3 th\u1ec3 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i NEMA 6-20 v\u1edbi b\u1ea5t k\u1ef3 b\u1ed9 s\u1ea1c xe \u0111i\u1ec7n n\u00e0o kh\u00f4ng?<\/div>\n  <div class=\"evb-faq-a\">Kh\u00f4ng. Ch\u1ec9 s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 s\u1ea1c ph\u00ea duy\u1ec7t. B\u1ed9 s\u1ea1c ph\u1ea3i gi\u1edbi h\u1ea1n d\u00f2ng \u0111i\u1ec7n ch\u00ednh x\u00e1c cho \u1ed5 c\u1eafm v\u00e0 m\u1ea1ch \u0111i\u1ec7n. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng an to\u00e0n c\u00f3 th\u1ec3 g\u00e2y qu\u00e1 nhi\u1ec7t ho\u1eb7c nguy c\u01a1 ch\u00e1y n\u1ed5.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">\u1ed4 c\u1eafm NEMA 6-20 c\u00f3 d\u00e2y trung t\u00ednh kh\u00f4ng?<\/div>\n  <div class=\"evb-faq-a\">Kh\u00f4ng. M\u1ea1ch \u0111i\u1ec7n NEMA 6-20 s\u1eed d\u1ee5ng hai d\u00e2y d\u1eabn n\u00f3ng v\u00e0 m\u1ed9t d\u00e2y n\u1ed1i \u0111\u1ea5t. N\u00f3 kh\u00f4ng c\u00f3 d\u00e2y d\u1eabn trung t\u00ednh.<\/div>\n<\/div>\n\n<div class=\"evb-faq-item\">\n  <div class=\"evb-faq-q\">T\u00f4i n\u00ean l\u1eafp \u0111\u1eb7t \u1ed5 c\u1eafm NEMA 6-20 hay NEMA 14-50 cho tr\u1ea1m s\u1ea1c xe \u0111i\u1ec7n?<\/div>\n  <div class=\"evb-faq-a\">Ch\u1ecdn NEMA 6-20 n\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n t\u1ed1c \u0111\u1ed9 s\u1ea1c v\u1eeba ph\u1ea3i v\u00e0 c\u00f4ng su\u1ea5t \u0111i\u1ec7n h\u1ea1n ch\u1ebf. Ch\u1ecdn NEMA 14-50 ho\u1eb7c b\u1ed9 s\u1ea1c n\u1ed1i d\u00e2y tr\u1ef1c ti\u1ebfp n\u1ebfu b\u1ea1n c\u1ea7n s\u1ea1c nhanh c\u1ea5p \u0111\u1ed9 2 v\u00e0 b\u1ea3ng \u0111i\u1ec7n c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3.<\/div>\n<\/div>\n\n<h2 id=\"sources\">Ngu\u1ed3n tham kh\u1ea3o v\u00e0 t\u00e0i li\u1ec7u \u0111\u1ecdc th\u00eam<\/h2>\n\n<ol>\n  <li>Trung t\u00e2m D\u1eef li\u1ec7u Nhi\u00ean li\u1ec7u Thay th\u1ebf thu\u1ed9c B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 \u2013 <a href=\"https:\/\/afdc.energy.gov\/fuels\/electricity-stations\" target=\"_blank\" rel=\"noopener\">Tr\u1ea1m s\u1ea1c xe \u0111i\u1ec7n<\/a> (Truy c\u1eadp ng\u00e0y: 10 th\u00e1ng 6 n\u0103m 2026)<\/li>\n  <li>ENERGY STAR \u2013 <a href=\"https:\/\/www.energystar.gov\/products\/ev_chargers\" target=\"_blank\" rel=\"noopener\">B\u1ed9 s\u1ea1c xe \u0111i\u1ec7n<\/a> (Truy c\u1eadp ng\u00e0y: 10 th\u00e1ng 6 n\u0103m 2026)<\/li>\n  <li>H\u1ed7 tr\u1ee3 Tesla \u2013 <a href=\"https:\/\/www.tesla.com\/support\/charging\/mobile-connector\" target=\"_blank\" rel=\"noopener\">T\u1ed1c \u0111\u1ed9 s\u1ea1c c\u1ee7a \u0111\u1ea7u n\u1ed1i di \u0111\u1ed9ng v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i NEMA<\/a> (Truy c\u1eadp ng\u00e0y: 10 th\u00e1ng 6 n\u0103m 2026)<\/li>\n  <li>EVB \u2013 <a href=\"https:\/\/www.evb.com\/vi\/cee-plug-for-ev-charging-what-it-is-and-when-to-use-it\/\" target=\"_blank\" rel=\"noopener\">\u0110\u1ea7u c\u1eafm CEE d\u00e0nh cho s\u1ea1c xe \u0111i\u1ec7n: Kh\u00e1i ni\u1ec7m v\u00e0 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng.<\/a> (Truy c\u1eadp ng\u00e0y: 10 th\u00e1ng 6 n\u0103m 2026)<\/li>\n  <li>EVB \u2013 <a href=\"https:\/\/www.evb.com\/vi\/charge-an-electric-car-at-home\/\" target=\"_blank\" rel=\"noopener\">C\u00e1ch s\u1ea1c xe \u0111i\u1ec7n t\u1ea1i nh\u00e0<\/a> (Truy c\u1eadp ng\u00e0y: 10 th\u00e1ng 6 n\u0103m 2026)<\/li>\n<\/ol>\n\n<div class=\"evb-article-footer\">\n  \u00a9 2026 EVB.COM \u00b7 C\u01a1 s\u1edf ki\u1ebfn th\u1ee9c v\u1ec1 s\u1ea1c xe \u0111i\u1ec7n \u00b7 C\u1eadp nh\u1eadt l\u1ea7n cu\u1ed1i th\u00e1ng 6 n\u0103m 2026\n<\/div>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>EVB.COM Updated June 2026 12-minute read NEMA 6-20 \u00b7 Level 2 Charging \u00b7 Home EV Charging A NEMA 6-20 plug can be a practical low-power Level 2 EV charging option in North America. This guide explains what a NEMA 6-20 outlet is, how much charging power it provides, how it compares with NEMA 5-15 and [&hellip;]<\/p>","protected":false},"author":3,"featured_media":42218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[283,254,286,288,282,284,287,285,289,51],"class_list":["post-42214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ev-charging-outlet","tag-home-ev-charging","tag-level-2-ev-charging","tag-nema-14-50","tag-nema-5-15","tag-nema-6-20","tag-nema-6-20-ev-charger","tag-nema-6-20-outlet","tag-north-america-ev-charging","tag-portable-ev-charger"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NEMA 6-20 Plug for EV Charging: What It Is, Power Output, and When to Use It - EVB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.evb.com\/vi\/nema-6-20-plug-for-ev-charging-what-it-is-power-output-and-when-to-use-it\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEMA 6-20 Plug for EV Charging: What It Is, Power Output, and When to Use It - EVB\" \/>\n<meta property=\"og:description\" content=\"EVB.COM Updated June 2026 12-minute read NEMA 6-20 \u00b7 Level 2 Charging \u00b7 Home EV Charging A NEMA 6-20 plug can be a practical low-power Level 2 EV charging option in North America. 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