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Frequently Asked Questions
What is the difference between a Level 1 and Level 2 EV charger?
Level 1 charging uses a standard 120V outlet and adds range slowly — fine for plug-in hybrids or light daily driving. Level 2 charging uses a 240V circuit and charges several times faster, making it the common choice for home, workplace, and commercial installations.
How many amps does a Level 2 charger need?
Level 2 chargers are commonly 16 to 48 amps. Higher amperage charges faster but requires a larger circuit and adequate electrical service. The charger's amperage must be matched to a properly sized breaker and wire, and to what your panel can support.
Should I choose a plug-in or hardwired EV charger?
Plug-in (NEMA 14-50 or 6-50) chargers are easier to install and relocate, while hardwired units are often used for higher-amperage installs, outdoors, and commercial settings. Local code and the charger's rating determine which is appropriate.
What connector do EV chargers use?
Most Level 2 chargers in North America use the SAE J1772 connector, which works with nearly all EVs (Teslas via an adapter). The NACS connector is being adopted more widely; check your vehicle and choose a charger and any needed adapter accordingly.