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3 prong dryer plug wiring diagram8/2/2023 ![]() Neutral is not ground, and will be a fraction of a volt higher than ground when the machine is at full load, and you don't want it taking ground as an alternate path. If the neutral is bare, that's allowed because the cable is grandfathered, but wrap it (and the ground, if necessary) with tape so they don't short out. Circuits can share ground as long as they come from the same panel. Y ou don't even need to go back to the panel if you can reach something else that has a #10 ground path back to the panel (water heater, A/C, range). You do not need to run the ground wire with the conductors, because the ground wire does not carry current except during a fault condition. Use any feasible route to get back to the service panel that powers the dryer circuit. #10 would suffice if you can get that cheap. The builder supply sells #8 ground wire by the foot, and it's no bigger than telephone wire. Option 1: Ground it, properly.ĭon't mess with that heavy 10/2 cable retrofit a ground wire. Such as the washing machine right next to it. You're dead if you touch the dryer chassis and any other ground. The failure mode is that if there's any problem with your neutral wire anywhere in your house wiring or dryer cord, the 120V loads will stop working, and the current path through them will connect neutral - and thus the dryer chassis - to 120V. The rationalization - which doesn't make much sense to me - is that dryer receptacles are rarely unplugged, so they're not likely to have a failure. However, appliance manufacturers have lobbied the NFPA to allow this for dryers and ranges so they don't lose appliance sales. In any other application, this would be called "bootlegging ground" and you'd fail a home inspection for it. So they are telling you to misuse the neutral wire as ground. The instructions are telling you to do something which is not proper. I'm pretty lost at this point so any guidance would be greatly appreciated. It also notes that, if I'm converting from a four-prong, I need to "connect the ground strap to the terminal block support to ground the dryer frame to the neutral conductor."ĭo I take the loose white wire and assume that's "A" in the manual diagram and attach that to the side of the unit? The loose white wire was originally in the neutral slot with the neutral on the four prong cord, should it go back there? Do I need to do anything with the green wire? My manual has this configuration for a three-prong cord: ![]() I've read online and saw a few posts here, but most point to the installation manual for the model as the best solution-which I've read, but I don't feel 100% that I understand. I know how to hook up the three prong, I'm just unsure about how to ground it properly. I've removed the four prong and now I see this: Having the correct wiring can help ensure your dryer operates safely and efficiently.I just bought my first home and I need to replace my 4-prong cord on my dryer to a 3-prong. ![]() ![]() Before attempting to wire your dryer, make sure to consult an electrician or a professional technician to ensure the wiring is done correctly. It is important to note that the diagram is for reference only and should not be used for actual wiring. Using the Dryer Wiring Diagram 3 G, you can quickly and easily check your connections and identify any potential problems. Additionally, the diagram includes details on the number of wires, amperage and voltage ratings, and the appropriate connections to ensure your dryer is wired correctly. All the connections are labeled, so you can easily identify the various components of the dryer, such as the motor, switch, receptacle, and power supply. The diagram has three separate phases with color-coded wiring and can be used to diagnose and troubleshoot any issue with the wiring. The three-wire diagram for the dryer is a comprehensive guide that covers the wiring of the dryer from outlets and switches to the motor, switch, and power supply. Understanding how these diagrams work can help you troubleshoot any potential issues that may arise within your dryer. When it comes to dryer wiring, a proper Dryer Wiring Diagram 3 G is essential for efficient and effective operation.
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