1) Panel within sight - If the main electric panel or a subpanel that serves the water heater is within sight, a second means of disconnect is not necessary.

Second question can it be mounted above the water heater between the hoses going in and out of the water heater? • • • • • • • • • • • • • • • • • • • • • • • • • • • •. 2 are clearly labled grounds. Notice: Installing an additional 240 volt circuit should be done according to local and national electrical codes with a permit and be inspected. The local authority having jurisdiction in your area may have different codes than the national code. I don't charge my family for work they need to have done. The NEC also defines the range of “within sight” is maximum 50 feet away. The following is an example of installing an electrical circuit for a 240 volt electric water heater in a home: Water Heater Connection • What is backdrafting at a gas water heater? Wiring a Water Heater Electrical Question: We are installing the wiring for an electric water heater circuit and we need to make sure we are using the right wire size. The thermostat controls for most of these types of devices control the temperature by making or breaking one leg of the 240 volt circuit. When was a gas water heater first required to be elevated 18 inches above a garage floor? All we need to do to complete the job is to run the wire, and put in the shut-off switch near the water heater. • Why is there water in my water heater drain pan? JavaScript is disabled. We are installing a new electric water heater, in a home addition. A neutral feed wire connects to the silver-colored lug along the side of the breaker. I couldn't find a clear answer anywhere about water heater disconnect types allowed. The incoming circuit wires and the water heater wires are normally black and red, and are splices or connected together, color to color using red or gray wire nuts. © McGarry and Madsen. The electrical junction box has red, black, white and ground. I calculated that it needs 10awg wire as well, I don't know if that's what he has used I have only seen a picture she sent me of the install.

If the current draw is 48 amps, you will need a disconnect rated for 60 amps. • Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home? • How can I tell if a water heater is HUD-approved for mobile/manufactured homes? I have a A. O. Smith 50 Gal Water Heater that has a red and black wire. Hi AJ, Most conventional electric water heaters have a built in junction box located in the top of the unit. This electrical project is best performed by a Licensed Electrician. What is the purpose of a thermostatic mixing valve above a water heater? Disconnects receive 240 volts and lethal current from feeder lines coming from the utility meter. These wires connect to the disconnect breaker installed within the disconnect box. My big question is, how do we terminate this wiring in prep for the water heater? Also, construction methods and materials vary in different parts of the country and it is possible that important issues related to your area may not be covered here. Unlike a new electric dryer for example, which has a 120 volt control timer, an electric water heater does not yet have 120 volt controls. Acceptable Means of Disconnect Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! The switch must be rated for the Voltage of the water heater ( 120 , 240 etc) and the amperage drawn by the water heater -2008 NEC 404.14. The upper thermostat is faulty, but I can find a replacement that is exactly the same. There are two hot wires and a neutral wire. Do-It-Yourself Electrical, Make sure not to miss these Resources for: How-To-Videos • Where do I find the water heater in a mobile home? I hope this helps,

Identify the circuit for the hot water heater and make sure it is turned off. By the way, the first four options that are specified as “within sight” mean “within sight in both directions”: the switch should be visible from the appliance and the appliance visible from the switch. It is also important how they are installed. If unsure about the incoming circuit then the circuit should be verified by an electrician with a voltage tester. • Is it alright to have a shut-off valve on both the hot and cold water pipes at a water heater? Disconnect switches must be installed by a licensed electrician.

Most electric water heaters are intended to be "hard wired". The hot wires each carry 120 volts and are different phases. Keep up the great posts! The two hot wires connect to the top two lugs of the breaker, called the "line" side of the breaker. I guess I will go ahead and use the pull switch I bought at HD, sounds like it is all I need. Where are gas water heaters not allowed to be installed?

This is for new construction. Can the temperature and pressure relief (TPR) valve discharge pipe for a mobile/manufactured home water heater terminate under the home? What's that powdery crust on the pipe connections at the water heater? What doses this mean for you when wiring your home? In newer installations where there is a 2-wire with ground cable for a 240 volt water heater the white wire is colored with red electrical tape which clearly designates it’s part of the 240 volt circuit. It is important to find out if your local codes differ from the national code, your local authority having jurisdiction is the final judge and jury. What are the Wiring Connections for a Water Heater? How do I determine if a water heater is gas or electric? Electrical disconnects are switches that isolate all wiring in a home or other building from the source of power, typically the utility power service. For example, a home with 200-amp service will have a disconnect breaker rated for 200 amps. This may be true in the case of a 120 volt circuit, however a 240 volt water heater does not need a neutral wire because the heating elements are 240 volts. It's also possible for a home to have a service disconnect on the outside of the home, while the main service panel—with its own main breaker—is inside the home. The question is what is more reliable to use. >>. What does it mean when a water heater Temperature/Pressure Relief (TPR) discharge pipe is "trapped"? Dave, Water Heater Electrical Box Each of these configurations involves specific wiring techniques and requirements that are not interchangeable. The cold water pipe or the bare ground wire through the outlet. Older homes may have 150-amp, 100-amp or lower service capacity. • Is the minimum size water heater inlet pipe 1/2" or 3/4" according to the building code? Background: Perry, a Handyman from El Mirage, Arizona. Does a tankless water heater require a pressure relief valve? What's the valve with the flip-up handle on the water heater for? • Can you use a light switch for a water heater disconnect? •  Why do water heaters have a sacrificial anode? Dave, Electrical Questions and Electrical Answers. • What's that powdery crust on the pipe connections at the water heater? Dave. Does a tankless gas water heater still work with no electricity during a power outage? How to Wire an Electric Water Heater Circuit: We are installing the wiring for an electric water heater circuit and we need to make sure we are using the right wire size. After flipping it back and forth several times, they will decide that the switch doesn’t work, leaving it in the off position. This describes the basic wiring setup for a separate disconnect breaker switch. The side of the meter that receives incoming power from the utility service lines is called the "line" side. I am not clear on what we need to leave the plumber in order for him to hook up the heater when he arrives. • What is required clearance for access and working space in front of an electric water heater? << What color should the flame be in a natural gas furnace? Water Heater and the Neutral Wire Do not direct wire these appliances, you need to have the plug as a means of disconnecting power.

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