Instaling One Switch12/29/2023 ![]() ![]() ![]() Since you’ll be working without a light, you’ll need an alternate light source like this halogen work light. Now that we have confirmed that there is no power running to the switch, it’s time to illuminate the work area. If it signals there is still electrical current present after you’ve turned the breaker off, you may have to turn power to the entire house off and proceed with a battery powered light or call an electrician. By holding it near the light switch and pressing the button, a blinking light and beeper signals if there is any live electrical current present. One handy tool that I am never without on an electrical project is this handy voltage tester. If the light stays off, you’ve turned off the right circuit. When you return to the room you’re working in, double check that the power is off by testing the light switch you’re replacing. If you have a fuse box, unscrew and remove the fuse controlling the circuit you are working on. Once you’ve found the correct breaker, flip it to the off position. This might take a few trips back and forth to the room to double check, and it’s always handy to have some help for this step. You first need to find the breaker or fuse that shuts off the circuit that you will be working on. Your project actually begins at the electrical supply panel, which is also commonly referred to as a breaker box or fuse box. But if you’re up for it, let’s get started. If you have any doubts about performing any of these tasks, you should call a licensed electrician to do the work. It’s also extremely important to carefully read and follow the manufacturer’s instructions. For information on how to replace a three or four way switch, see our list of Frequently Asked Questions specific to this video.īefore starting any electrical project, you need to know how to access your electrical service panel to turn off the electrical supply to the circuit you are working on to avoid getting shocked. Today, I’m going to show you how to replace a single pole light switch, while also giving you a lesson in electrical safety. There’s no better way to understand how an electrical circuit works than to replace a single pole light switch, whether it’s positioned along or at the end of the circuit.
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