![]() Take out the unused plug and run the new wiring from the box. To tie in the new wiring, first locate the main supply wire by tracing the white wires, as all of these will be attached to the white wire on the supply line. Once the power is shut off, carefully trace the cables connecting to the box to be sure you’re not connecting a 240v supply to a 120v outlet, or vice versa. ![]() New wiring can also be tied into a junction box, so long as there is excess capacity. The ground wire will be attached to the box itself, but only if it is made of metal. White wire will be attached to the chrome terminal on the receptacle while black wire will be attached to the brass one. If 12-gauge is being used, continue with 12-gauge cable the same applies to 14-gauge. Take care to make sure you attach the correct size of cable. Loosen the screws holding the receptacle in place and remove it in order to add wiring. Make sure the current is shut off to the circuit and then remove the faceplates to each outlet to find the one you’re looking for. This can be determined by finding the outlet with wires connected only to two of the four terminal screws. Usually, the wiring which you are installing will be affixed to the final outlet in the current run of cable. Light switches, for example, operate on the black wire and will connect directly to another black wire already in the system.Įlectrical wiring in the US follows the same basic color codes: red and black wires denote live wires, white wires serve as the ground, and blue, yellow, or other colors are used for switches or other specific purposes. Typically, when attaching existing wiring to a device or fixture, you will follow the color code by matching each color wire with its corresponding twin. Most wiring in a home is either 12-gauge or 14-gauge. Then, test the local area with a neon tester to make sure that the power is off and that it is safe to go ahead. When working with wiring, always cut the power supply at the breaker box first before beginning any actual work. Read this article for advice before taking on your next wiring job. ![]() For extensive work, it is obviously best to hire an electrician, but some projects might be within the skill level of the average DIYer. Plenty of home improvement and remodeling projects require either new wiring or replacements for old, worn, or fried connections. ![]()
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January 2023
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