Wiring a 3-Wire Dryer Outlet
Help with Electrical Wiring for a 30 amp 3-wire Dryer Outlet: Make sure that the white wire is wrapped with black or red electrical tape at both ends of the cable to identify it as being a hot wire and not a neutral wire.
Wiring a Dryer Outlet
- Dryer Outlet Wiring Project
- I have dedicated line with a double pole 30Amp breaker I want to use for a dryer.
- The line was not in use and does not have an outlet, it is a 3 wire line, white,black and bare copper wire.
- I bought a 3 prong 240Volt outlet.The instructions say to hook up the white wire to the L shaped prong and the two hot wires to the 45 degree prongs.
- I tested the lines with a multimeter and the voltage between the white and bare copper wire is 120v, 120v between the black and cooper and 240v between the white and black.
- The two hot wires are the white and black and the bare copper wire is the neutral?
- Should the outlet be hooked up with the copper wire to the L shaped prong and the white and black to the 45 degree hot prongs?
This electrical question came from: Joe, a Homeowner from Texas.
Thanks for your electrical question Joe.
How to Wire a 30 amp 3Wire Dryer Outlet
Application: 240Volt Dryer Outlet Wiring.
Skill Level: Intermediate to Advanced – Best installed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools and a Voltage Tester.
Estimated Time: Depends on personal level of electrical experience, ability to work with tools and the available access to the dryer cord electrical connection box.
Precaution: Identify the dryer circuit, turn it OFF and Tag it with a Note before working with the dryer outlet or cord wiring.
Wiring Connection for a 30amp 3wire Dryer Outlet
Yes Joe, that’s right, the L-shaped prong is for the ground wire.
- In an example like this the L shaped prong is the ground wire connection for the bare copper wire.
- Make sure that the white wire is wrapped with black or red electrical tape at both ends of the cable to identify it as being a hot wire and not a neutral wire.
More about How to Wire a Dryer
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- See an electric dryer installation with a typical 240 Volt electric power cord wiring system.
- You may find yourself with either a 3-wire or 4-wire electric dryer, or a 3-wire or 4-wire outlet.
- Lets look a how the electric dryer is wired and what to do if your cord does not match the plug.
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