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Electric hot water heater

Wiring diagram for electric hot water heater to breaker box

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  • neveah11 Mar 31, 2008

    wiring diagram for electric hot water heater

  • dman_43t3rn1 Nov 30, 2008

    I don't know where to hook the wires at. I have a red and a black. I know its suppose to go on a 240 breaker. But the black gets hook on to the black, but where does the red go. I'm confused.

  • Anonymous Apr 14, 2009

    Where does the bare ground wire go? Neutral or gorund?

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If you can find me a serial and model number i might be able to help you better.

Posted on Apr 24, 2008

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I what to use 2 20a amp breaker with bar across them. I want to creat a 220v curuit connect to a disconnect box. I want to connect a water heater. How do I wire the disconnect lugs. What order do the...


You need a 220v/20a breaker. These breakers are made in one piece and connect to each leg of the 110 lines in the breaker box. Depending on the make of the box and breakers, some just snap into place. BE CAREFUL IN THE BREAKER BOX, ALL THE INCOMING LINES AND BUSES IN THE BOX ARE HOT UNLESS YOU UNPLUG THE METER OR HAVE A BOX WITH A MASTER BREAKER THAT SHUTS OFF THE BUSES. IF YOU HAVE ANY DOUBT ABOUT ANY OF THE ELECTRICAL CONNECTIONS OR WIRING HAVE A QUALIFIED ELECTRICIAN DO THE WORK. BUILDING CODE IN MOST PLACES REQUIRE A LICENSED ELECTRICIAN TO DO ANY WORK OF THIS KIND. DON'T ELECTROCUTE YOURSELF OR BURN YOUR HOUSE DOWN TO SAVE A FEW BUCKS.

About the two 110 buss lines, they are opposite phases so when you connect across them you will get 220. The breaker will have two terminals. Your 220 line to the heater will have to be a three wire cable with ground. The red and black wires are the "hot" 220, and the white wire is the neutral wire. The ground wire is the uninsulated wire. Be sure the wire size is large enough for 20A. That should be 12 gauge. You will be able to buy a cable with all these wires in it.

Apr 22, 2011 | Heaters

Tip

Electric Water Heater Wiring Diagram


If you are changing a water heater thermostat on your hot water heater, or would just like to troubleshoot your hot water heater, you may want to know how it is to be wired.

Here is a diagram of the way a normal electric hot water heater with two elements that run non-simultaneous will be wired. This means that only one element at a time will be working and have power going to it. The top element will heat water until it is heated to your set point and then it will switch the power to the lower element to heat the bottom of the tank. This gives you some hot water quickly, and then heats the rest of the tank.


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For more information on how to troubleshoot electric hot water heaters you can check out this tip.

http://www.fixya.com/support/r4654730-electric_water_heater_not_working

http://www.fixya.com/support/r4656190-electric_hot_water_heater_temperature

on Mar 27, 2010 | Heaters

2 Answers

After installing the (40 gallons) water heater the temperature of the water is cold, not working at all.


It could be any one of many different problems......You never said what kind of water heater is it gas or electric......In any event it takes awhile for a water heater to heat up 40 gals of cold water. For a gas heater is the gas turned ON did the pilot lite? Is the thermostat set to normal operation and not on vacation. Is the top knob set to on and not pilot. On the Electric heater are the breakers turned ON. Are you getting 220 Volts to the heater. Is the thermostat set right. Hope this helps alittle.......

Mar 20, 2011 | General Heaters

1 Answer

Im hooking up a base board heater for the first time with a non programmable thermostat that has 2 black wires on the thermostat. I'm hooking it up to a two pole breaker that means back wire to top screw...


Hello there
It sound alright but You should draw out a wiring diagram on paper first before you tackle the job that way you know you're doing it right.

Good luck Dickson

Nov 04, 2010 | Fahrenheat Electric Convector Baseboard...

1 Answer

I wire a 240 heater using 12/2 wire making both the black and white hot at the breaker to a thermostat using the wire diagram on the website as the guide. I have power to the switch and when I turn on the...


You should have the black going to 1 breaker, and the white going to an adjacent 2nd breaker.

Check that you have 240 VAC to the thermostat, and that the breakers are fully set.

If you have 240 VAC to the stat, check that 240 VAC is being powered to the heater.

Let me know what you find. (I am assuming the heat strips are good.).

Dec 14, 2009 | Fahrenheat Electric Hydronic Baseboard...

1 Answer

I need a picture diagram of how to wire up two different baseboard heaters with seperate thermoststs on the same wire in the breaker box.Never done this before and I don't want to burn down my home.


it can not be done. if you want 2 seperate thermastats servicing 2 seperate baseboards, then what you will have is 2 seperate circuits, one for each thermastat and baseboard. If you are talking about only at the breaker box, then that can be done.... assuming that the total amperage does not exceed the wire rating or the breaker..... if that is the case you will have to install a junction box and split the wiring BEFORE it goes to each seperate heating unit.

Mar 02, 2009 | Fahrenheat Electric Convector Baseboard...

1 Answer

What size breaker do I need for a 240 volt electric clothes dryer


check on the wiring diagram. You may be looking at 2-15 amp or 2-20 amp breakers.

Nov 12, 2008 | Fahrenheat Electric Convector Baseboard...

2 Answers

Baseboard heater connect


I have a fahrenheat F2548 baseboard heater, there were not any wiriing diagrams or installation instructions in the box where can I find the wiring diagram,

Aug 04, 2008 | Fahrenheat Electric Convector Baseboard...

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