Water Heater Plug Wiring

Most water heaters are wired with 10 2 w ground shielded cable.

Water heater plug wiring.

Before you examine or touch the water heater wiring or electrical connections turn off the power. The water heater only requires 2 hot 120 volt wires to heat water and function. Step 6 replace check. At this time the conventional hot water heater does not require a neutral however that will most likely change.

The white wire is the hot wire. Wiring an electric water heater does not require that you use a plug in device. How to wire an electric water heater step 1. There is no neutral wire in the water heater since it is 240v unit.

Likely you will only need. I believe the center wire on the 3 prong outlet is a neutral wire and i ve read that using neutral for chassis ground is never a good idea. Before you begin use. On the top or the side of the hot water heater depending on the type you will see the junction box cover.

The only other wire to connect is the wire that goes to the metal case of the water heater where there s a green screw. Locating the electrical connections. If you are replacing an existing hot water heater then the circuit will already be present at the site. If you are hard wiring the water heater to the branch circuit conductor you will need to run three awg 12 conductors one black one white and one green through a short length of flexible.

The electrical wire connections for a water heater are made at a built in junction. Connect the other wire from the water heater to the white wire. Take one of the wires on the water heater and connect it to the black wire from the circuit use a wire connector and wrap electrical tape around the wires. Therefore an extra conductor is not required.

For long distances you may need to go with heavier wire. If the circuit wiring is supplied by a 4 wire cable and there is a spare white wire then simply cap off the white wire with a wire connector fastened onto the end of the wire.