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Code & Compliance

3 in-depth guides

Electrical panel with labeled EVSE branch circuit breakers

NEC Article 625 EVSE Circuit Design: A Deep Dive

A technical walkthrough of NEC Article 625 — conductor sizing, 125% continuous-load rules, GFCI requirements, and equipment listing for every EVSE circuit.

14 min readRead

Electrician performing a service load calculation on a residential panel

Load Calculation Walkthrough per NEC 220 for EV Chargers

Step-by-step NEC Article 220 load calculation for adding an EV charger — service capacity check, demand factors, and panel upgrade decision points explained.

13 min readRead

Close-up of grounding and bonding conductors in an EVSE electrical enclosure

EV Charger Grounding and Bonding: A Deep Dive

A technical deep dive into NEC grounding and bonding requirements for EVSE — EGC sizing, pilot signal ground integrity, electrode systems, and common installation errors.

11 min readRead

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