This short circuit can flip the high limit switch on your water heater and/or cause the water heater’s breaker to trip. @RayHess I'm still a little bit unclear on your setup. Most water heaters do not need a neutral, so if you have a white wire in the cable, it is "free" to be re-assigned to be a hot. Next, take the black wire from the feed circuit and one wire from the water heater (it doesn't matter which wire) and twist them together. Okay, with that out of the way, let’s look at the possible problems that are causing your electric water heater to trip your breaker. The breakers are installed in a panel so that contact is made with one of two hot bus bars running down the middle of the box. Double-pole breakers are twice as wide as standard breakers and attach to both of the 120-volt hot-bus bars in the service panel. Since a water heater has no outlet, the cable … By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. 3. All breaker switches (5) are 20 amp. Does warmth indicate a possible fire hazard? I have replaced the 2 elements, drained the tank, checked the small breakers on the 2 tank thermostats. Just a note, in my area electric water heaters are much more expensive than gas to operate … I mean a 2-pole breaker. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Making statements based on opinion; back them up with references or personal experience. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. Black from both load control box and breaker box hooked to black in water heater. This electrical wiring question came from John, a Handyman in Fairfield, Ohio. The wires usually are black or red, but one may be white if it is labeled as hot with a black or red stripe near each end. Follow the installation instructions above for mounting and wiring your baseboard heater and you're all set! You CANNOT simply use a "second hot breaker". How should I save for a down payment on a house while also maxing out my retirement savings? What does "nature" mean in "One touch of nature makes the whole world kin"? Thank you for all your help. If the wires are bigger than necessary, that's OK. Looking for the title of a very old sci-fi short story where a human deters an alien invasion by answering questions truthfully, but cleverly. If a particular circuit has too much electricity running through it but the breaker doesn’t trip, the wires will heat up and can eventually cause an electrical fire . To learn more, see our tips on writing great answers. If you're installing an AFCI breaker (as shown on the following pages), you'll also connect the neutral wire to the breaker. The house is 70 years old. This electrical wiring project is about the Electrical Wiring for a Water Heater in a Home. A new electrical school graduate recently replaced the the original panel with the same breaker and cable combo (made no change), and has convinced the neighbor this configuration is “OK.”Also, the neighbor believes since nothing “bad” has happened in the several year period he has lived in this home (with the same configuration), nothing will happen in the future.Gratefully if you would respond with any advice that could help me convince this neighbor to replace his current breaker and cable with #10-wire and 25A or 30A breaker, if you agree with that. This way you are sure to protect the wire gauge of the circuit. In a house that was wired any length of time back you probably don't have the right wiring for this configuration, even if you get a new hot water tank. That is all you need to do to wire your water heater. black to black, white to red, bare wire to the green screw provided inside the hole where the wires go. Make sure the wires are big enough for the load (10 AWG for a 30 amp circuit). The type of insulation of the existing #12 cable should be identified and compared to the NEC wire Table 310.16 to see what the allowed ampacity of the cable is, because that is one of the main factors that will determine the amount of heat that is allowed for that type of insulation. How to sort and extract a list containing products. wiring a new hot water heater and new 30 amp breaker with 10-2 with ground. For example: If the existing cable is 12/2 Type-TN Copper with TW or THW insulation then a 2pole 25amp breaker would be correct. When properly installed, your home electrical wiring is protected by a circuit protection device. Using your cell phone, call your local electrician to inspect and service your breaker box. Dave’s Reply: (Manufacturer, model number?). How was OS/2 supposed to be crashproof, and what was the exploit that proved it wasn't? The water heats up trips the service panel (for house) breaker so I am continually resetting the (outside) breaker. If a disembodied mind/soul can think, what does the brain do? I figure about 3 more feet might be required to reach the shorter WH we are thinking about. The Line (L 1) as hot wire is connected to to the thermostat right terminal L 3. Note: In a 2 wire home like mine - meaning no 3rd ground wire in the outlet box or the outlets in the home. Remove the plate on the hot water heater then remove the wire nuts. 240V AC Non-Simultaneous Dual Element 5kW Water Heater Thermostat Wiring. Using a 30-amp tandem circuit breaker for a 120/240v circuit? You MUST use a two-pole breaker for a 240V circuit as previously mentioned. Wiring a Hot Water Heater in 7 Steps. Re: breaker is warm to the touch [Re: MThompson] #767474 08/26/13 09:50 PM 08/26/13 09:50 PM: Joined: Mar 2004 Posts: 10,197 New England. Has this ever happened to you? Electrical Panel Circuit Listing, This article looks at common 120 volt and 240 volt house wiring circuits and the circuit breakers that are installed identifying the types and amperage sizes used in most homes. Electrical Tools Required: Basic Electricians Pouch Hand Tools, Voltage Tester, and appropriate Safety Gear. Secure them with a wire connector and wrap electrical tape around the connection for additional safety. 1500 watts draws 12.5 amps, SO, can i place a 30 amp breaker switch within the same box with all the rest of the 20 amp breakers??? This could be the case at a water well or a workshop. In Summary Locate your Power Box on your house and turn off the breaker labeled 'Hot Water Heater', ours was H/W Heater. However, knowing how to wire a main breaker box can help a homeowner determine issues that may be stemming from the electrical wiring. In your comments you seem to be describing two separate panels each serving 120V only. Thanks, John. Then after a few minutes, it happens again. Why do different substances containing saturated hydrocarbons burns with different flame? A water heater HEATS COLD WATER. The hot wire for a branch circuit is connected to the breaker by a set screw on the base. Replace the cover for the junction box and screw it in place. The breaker only has a white common, black hot and ground.The second breaker box has all 30 am breakers with only red hot lines. Thanks for contributing an answer to Home Improvement Stack Exchange! Why does my symlink to /usr/local/bin not work? site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Install your new breaker in the freed up space in the upper right of your breaker box. Before you begin you will need to know how to turn your water heater off at your circuit breaker box. Circuit Breaker Panel Box Wiring Diagram. The heating element is the part of your water heater that heats the water. When checking your water heater don't only check across the hot legs check each one to ground since the handles are not properly tied. Is it likely I need to replace the breaker?, or ? You CAN use the white wire as a hot going to the breaker for a straight 240V circuit such as this. Is there a simple way I can run a double pole 30 am breaker from the 60 am breaker. Electrical Wiring and Circuit Breaker for a Water Heater This electrical wiring project is about Changing the Wiring for a Water Heater in a Home I agree with you that this water heater circuit is not a typical configuration, and the common circuit for a new home is #10 copper wire protected by a 2pole 30amp circuit breaker, however lets look at this application carefully. Is your water heater 120V or 240? For a typical 240V tank style water heater you will need a 30A/240V circuit. Yes, if you could find a 30A breaker to go in the main panel, that would suffice. Since a water heater has no outlet, the cable will be run from the wall to the junction box on the water heater. Home Electrical Panel Circuit Listing. There service areas of panel and water heater … Water heaters are normally hard wired directly from the circuit breaker and take a 220 volt circuit to run. The wiring curently runs about 15 feet from the main panel to the existing water heater. Double-Pole vs. Single-Pole Breakers . Electrical Safety: Identify the electrical power source to the Water Heater, turn it OFF and Tag with a Note before working with the electrical wiring. Out of the hot water tank is only a red and black. Application: Wiring a Water Heater. It only takes a minute to sign up. At the water heater end. 2. If a coworker is mean to me, and I do not want to talk to them, is it harrasment for me not to talk to them? You can use your existing box but you would need a lockout device on the breaker so it can be locked in the off position. Fist you have an empty 220 breaker that is the correct amp for your hot water heater. — A little warmth is normal, but too much can cause some serious problems for your home. Wiring a breaker box is a highly technical skill—knowing how it operates isn ... Each circuit has two hot wires feeding into the breaker, ... Water heaters and dryers are best served with 30 amps. Breakers shut off power when there’s an electrical problem on the circuit it protects. If a breaker was tripped, this will reset it. Electrical Wiring Parts and Materials: Electrical parts and materials for the Water Heater should be approved for the specific project and compliant with local and national electrical codes. What location in Europe is known for its pipe organs? 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Contributions licensed under cc by-sa 240V circuit such as black, white to the breaker for a Light!