Power Calculator Calculator for Georgia
NEC 2020 power calculator math for EV charger installers working in Georgia.
Converting between kW and amps is the entry point for nearly every Georgia EV install spec — manufacturers publish kW, but the panel, breaker, and feeder live in amps.
Worked example for Georgia
A 19.2 kW EVSE draws roughly 80 A at 240 V single-phase, or 23 A at 480 V three-phase. Apply the NEC 2020 125% continuous-load multiplier before sizing the OCPD or feeder. Georgia Power typically meters DCFC sites at the 480 V three-phase service in Georgia.
Code & Utilities
Georgia currently enforces the NEC 2020 edition, adopted in 2021. That includes Article 625 (Electric Vehicle Power Transfer System) requirements: 125% continuous-load sizing on EVSE branch circuits, GFCI protection at outdoor receptacles, and provisions for energy management systems on shared circuits.
Georgia's primary EV-relevant utilities are Georgia Power, Oglethorpe Power, MEAG Power. Always verify the applicable tariff and any utility-specific requirements (CT cabinets, metering enclosures, demand limiters) at design time.
Climate & Ampacity
In Georgia, the 94°F summer ambient drives a 0.88× 75°C ampacity correction. Bake this into every Level 2 and DCFC conductor pick before you commit to a wire size. Because the correction is below 0.9, conductors that "look fine" on a 30°C ampacity table will not carry their nameplate current here — always derate explicitly.
Georgia takeaway
For three-phase math, always confirm the actual nameplate power factor — DCFC equipment is usually 0.95+ but older site-rated equipment can be lower, which changes the apparent power and the conductor pick.