We get a lot of questions on our electric wiring articles from folks tackling electrical projects in their own home. One of the most common and intimidating parts of electrical work is dealing with the main breaker panel. This article provides an overview of a breaker panel. Some jurisdictions require you to be an electrician to perform any electrical work, even in your own home.
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This tutorial shows you the basic steps of installing a new volt, amp, double-pole circuit breaker for a new amp appliance receptacle outlet. The circuit includes two gauge black hot wire conductors and a gauge green ground wire conductor for a 3-wire system with no neutral. Some volt appliance circuits use 4-wire circuits that include a neutral. This project may also require a building permit, depending on the rules in your area. Switching off the main breaker shuts off the power to the panel and all household circuit breakers but it does not turn off the power coming from the utility service lines. The lines and the terminals they connect to in the service panel remain live and carry deadly current.
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In this video, master electrician Allen Gallant provides an outlet for high-powered tools and appliances. Turn off power to the electrical sub-panel, then remove the cover from the panel. Feed a length of MC metal-sheathed electrical cable up through the hole, and then extend it over the ceiling joists. Mark the location of the new volt receptacle onto the wall, making it at least 30 inches above the floor. Hold a metal old-work electrical box against the wall on the mark, then trace around it with a pencil.