Electrical Questions? Ask an Electrician Online.
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1) What is the voltage and watt rating of the water heater? Please provide the nameplate rating information.
2) Electric water heaters are never cord and plug connected to a receptacle nor shared with other circuit loads. They are always hard-wired to a dedicated circuit.
Thanks for the replies.
1) Your comments are not making sense to me. A gas hot water heater only utilizes gas and does not require electricity. Is the heater a tankless type?
2) A wattage of 5.5kW (which is common) indicates this is an electric hot water heater which requires a dedicated and hard-wired 240 volt circuit protected by a double pole 30 amp circuit breaker.
3) Tank type Hot water heaters whether gas or electric do not utilize a 24V transformer. A 24V transformer is a low voltage transformer that is typically used for an electric doorbell system.
4) Gas hot water heaters are rated in BTU's and not rated in watts.
Need clarification if the heater is a tankless or a tank type model. Please provide me with the manufacturer name and the model number.
1) Without having the model number and specific information, I will opt out of the question and place it back to the open board. No need to reply back to me. You will be notified when the question is picked up by another expert.
Hi, I'm Mike G and I'll be assisting you. If I understand your question, you need an outlets for a low voltage transformer. Are there any receptacles in the room. If not, I'll need to know how the lighting outlets and switch are wired. Give me a count and colors of the wires in each. Start with the switch. If it has 2 black wires on it, you can pick up the circuit there.
Connect your cable to the new receptacle as follows at the box in picture #1
1) black wire to the black and white together.
2) white wire to the white wire.
3) grounds together.
Anytime, you're welcome.