Electvehicles

NEC Article 625 · Free Tool · No Signup EV Charger Breaker Size Calculator Enter your charger's amperage and get the correct breaker size, copper wire gauge, and NEMA outlet in one click — calculated the way a licensed electrician would, using the NEC 625.41 continuous-load rule. ⚡ Calculate Your Breaker Size Works for Level 1 (120V) and Level 2 (240V) home charging. Takes 10 seconds. Charger / EVSE amperage Custom continuous amp draw (A) Check your charger's nameplate or manual — use the maximum continuous output, not the breaker it came with. Voltage 120V (Level 1) 240V (Level 2, most homes) 208V (multi-family / commercial) Installation type Hardwired Plug-In (NEMA) ▸ Advanced: wire type & run length ...