You now have an redundancy with the ground and the white wire. The white wire is not needed. The long and the short of this story is that a water heater needs two hot conductors and a ground to work.
Can I use 10 3 wire for a hot water heater?
All you need is 2 insulated conductors and 1 ground conductor. Since you have already bought 10-3 cable, I would just cap off the white conductor at both ends and use the red and black conductors for your hot wires and the ground conductor to attach to the green screw on the water heater.
How is a water heater wired?
Electric water heaters require a 240-volt dedicated circuit, which serves only the water heater and no other appliances or devices. The circuit wiring typically includes a 30-amp double-pole breaker and 10-2 non-metallic (NM) or MC cable.
Does a hot water heater need a neutral?
The conventional hot water heater does not need a neutral at the moment. The neutral wires are included with the 4wire cord for 220 and 240 volt appliances that have electronic controls.
How do you wire an electric hot water heater?
2:429:18HOW TO HOOK UP POWER TO AN ELECTRIC HOT WATER HEATERYouTubeStart of suggested clipEnd of suggested clipThis is the top side usually when you see the green ground screw. And were going to slide thatMoreThis is the top side usually when you see the green ground screw. And were going to slide that through the top plate like. So were going to slide that up until that adapter attaches.
What size breaker do I need for a 4500 watt water heater?
30 Amp dual pole breaker and 10 Gage wire size are required for 4500 watt elements.
Can you use 12 2 wire for a dryer?
Its fine for the dryer. The washer was paid for on 12/2. A 220v/30 Amp Dryer circuit would use 10/3 with ground.
What type of wire do I need for a dryer?
The NEC requires that dryers have a dedicated circuit with a minimum of 30 amps. This calls for a 30-amp, double-pole breaker wired with 10 AWG wire.
How many amps is a 4500 watt water heater?
18.75 amps A typical 50 gallon electric water heater runs at 4500 watts. In an electric circuit of 240 volts, 4500 watts is equivalent to 18.75 amps.