Home Electrical Repairs in the Real World

Here are some of tools and skills you need to complete relatively simple home electrical repairs.

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A common wiring scenario. Notice how the double terminals on the receptacle function as a splice between the incoming and outgoing hot (black) and neutral (white) wires. With only one ground terminal (top), the receptacle needs a short pigtail ground wire, which is wirenutted to the ground wires of the two cables, plus another pigtail attached to the metal box. On a plastic box, the second pigtail is eliminated.
THOMAS MOORE