My touch timer
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![my touch timer my touch timer](https://i.ebayimg.com/images/g/pCIAAOSw54BfA1Or/s-l300.jpg)
Next, unscrew the cosmetic wall plate and put it aside. Turn on the light and go through your switches to find the one that controls that light. Some experimentation might be necessary to find the right circuit breaker switch controls the light. To find out, first shut off power to the switch you’re working on by turning off the respective switch on your circuit breaker. New homes are required to have a neutral wire, but if your home is old, it might not have it.
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Before buying anything, you need to find out if your switch box has the neutral wire available. This is actually the trickiest part of the project, but doing this before you go out and buy a timer can save you the hassle of going back and returning it. Do you have a neutral wire in the switch box? But, double check to be sure, and note which type you have so you buy the right kind of timer. Luckily, most things that you would want to put a timer on, like a porch light, only have one switch controlling them. Three-way switch wiring is more complicated and will require a timer that is specifically for three-way switches. The options I discuss in this article only cover the case where one switch controls the light, or a “single pole” switch. This is often the case in a long hallway or staircase, where you can control the hallway light from either end.
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A three-way switch is when two switches control the same light. The first thing to determine is whether the existing switch that you want to replace is a three-way switch or not.