CHECK OUT: 2016 Volvo XC90 T8: First Plug-In Hybrid With 240-Volt Charging Cord Audi's dual-voltage charging cord comes with a standard NEMA 6-50 pigtail, but the option of ordering a NEMA 14-50 ...

The 120-volt adapter is $25 more. But EV buyers tend to be fairly well off financially, so maybe they wouldn't mind dropping 600 bucks for this svelte little number.

Because the U.S. runs on a 120-volt grid, Level 2 charging requires specific outlets, fitting NEMA 6-20, 6-50, or 14-50 plugs. These may be found on dryer hookups in laundry rooms, or in some garages.

An adapter, which you can make yourself or purchase, allows the charger’s 5-15 plug to go from hot-neutral-ground of 120VAC to hot-hot-ground of 200-250VAC.

All Silverado EVs will come standard with the Offboard Power system that has seven outlets; six 120-volt, 20-amp, and one that's 240-volt, 30-amp. There's one 120-volt outlet in the eTrunk (don't ...