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Electrical Wire and Cable

How to Ground Outlets and Receptacles

Here are some Electrical Tip for Home Outlets – Metal receptacle outlet boxes must be grounded, and one method is to pigtail the ground wire so that it is attached to the outlet and the metal outlet box using a Green grounding Screw.

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Methods for Grounding Receptacle Outlets

Electrical Question: I recently set out to replace the almond 3-prong outlets in our new-to-us-home (built 1971) with white outlets.

This electrical wiring question came from: Sonja, a Homeowner from Andover, Massachusetts.
See more about Home Wiring for Massachusetts

Dave’s Reply:
Thanks for your electrical wiring question Sonja.

How to Ground Receptacle Outlets

More about Receptacles and Pig Tail Wiring for Outlets:

I am Trying to Replace 2-Prong Receptacles with a 3-Prong.
When I opened the cover plate I see 2 black wires and 2 whites withing a metal box. Can it still be done with the 3 prong receptacle? Can I just pigtail a wire from the receptacle ground to the box?
I was expecting 1 black and 1 white, so don’t know what it means to have 2 of each.
Please help and give me some guidelines. Thanks.

This home electrical repairs question came from: Norman, from Chattanooga, Tennessee

Dave’s Reply:
Thanks for your electrical wiring question Norman.
Norman, yes – you can pigtail the black and white wires to wire to a receptacle, however you cannot install a 3-prong grounded outlet if there is no ground wire.

Electrical Code for How Many Wires in Junction Boxes

Electrical outlet wiring

Junction boxes for outlets

using electrical testers

For more information about Outlet Wiring
How to Install Electrical Outlets
Outlet Wiring

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Complete Guide to Home Electrical Wiring

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Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
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NEC Codes for Home Electrical Wiring
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

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