People often ask what the proper sized wire is for installations in a  home. Here's a look at the common sizes. I often hear things like, "This  wire looks big enough". I have to tell you, it makes the gray hair  stand up on my neck when I hear this! Always know the right wire size  and protect it with the proper sized over current device. Please, be  safe and do the job right the first time. It only takes a few minutes to  get the answers you need and if you are not 100% sure please contact us.