Wire for EV Charger
Wire for EV chargers transfers power from the electrical panel to the charger. It comes in various sizes, with lower gauges supporting higher currents. Choosing the right wire ensures safety, efficiency, and long-term performance. Proper installation, following electrical codes, prevents hazards and maximizes the lifespan of the system.
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Guide to EV Charger Wire Gauge and Power Ratings
When installing an electric vehicle (EV) charger, it’s crucial to choose the right wire gauge for your installation to ensure safety, efficiency, and optimal performance. This guide provides a reference for selecting the appropriate wire size based on the electric vehicle branch circuit and the power rating of the EV charger.
Wire Gauge and Power Rating for EV Charger Installations
| EV Charger Wire Gauge (American Wire Gauge) | EV Charger Wire Size (mm²) | Electric Vehicle Branch Circuit | Power Rating of EV Charger (kW) |
|---|---|---|---|
| 14 AWG | 2.08 mm² | 15 Amp Circuit | 2.8 kW |
| 12 AWG | 3.31 mm² | 20 Amp Circuit | 3.8 kW |
| 10 AWG | 5.26 mm² | 30 Amp Circuit | 5.7 kW |
| 8 AWG | 8.36 mm² | 40 Amp Circuit | 7.6 kW |
| 6 AWG | 13.30 mm² | 50 Amp Circuit | 9.6 kW |
| 4 AWG | 21.15 mm² | 60 Amp Circuit | 11.5 kW |
