Does a Dryer Need 10/3 Wire
10/3 wire is not necessary for a dryer installation. A standard 30-amp, 240-volt circuit requires 10/2 wire. 10/3 wire is typically used for installations that require a separate neutral and ground wire. Dryers do not require a separate neutral wire, so 10/2 wire is sufficient. Using 10/3 wire instead of 10/2 can increase the cost …