Can You Use 12 2 Wire For A Water Heater?
Can You Use 12 2 Wire For A Water Heater? A 12-2 w/ground should be enough, although I would use a 10/2 for future “upgradability”. 10/2 is the standard cable for a water heater. Connect white to red. 12/2 would be insufficient for almost all water heaters. Can I use 10 3 wire for a