220 Volt Plug Receptacles Configurations Askmediy
1 1996 the national electrical code forbids 220 volt outlets which are 3 wire oven electrical outlets in all new construction so you have to use the newer 4 wire.
This should help you understand why you see 4 wires at the outletalso check for a conductor at your water heater strapped to. Bill from long beach california.
Whirlpool Cooktop Wiring Diagrams Owner Manual Wiring
4 Wire 220 Plug Wiring Diagram Wiring Diagram
