What Colour Wire Goes To Common On A Light Switch

By | November 25, 2022



It's a simple question that any homeowner or renter might have to face: what colour wire goes to common on a light switch? Making the wrong decision could cause serious damage and put safety at risk, so it's essential to get it right. Knowing how to correctly wire up a light switch is a relatively easy job that can save time and money, but it's important to understand the basics before embarking on the project.

The answer to this question isn’t as straightforward as it might seem. The colour of the wire that will go to common on a light switch can vary from one place to another, depending on the type of switch being used and the wiring system in place. In some cases, the colour of the wire connected to the common terminal will be black, while in others it might be white, grey, green, or even blue. To make sure the job is done safely and correctly, homeowners and renters should research local regulations and consult with a professional electrician if needed.


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