How to Install Motion Sensor LED Stair Lights

21 Best electrician contractor - Home Contractor Forums - The longer the run of wire, the lower the gauge of wire needed. It’s important to choose the correct wire gauge for the length of wire you need and amount of current that will be flowing through it. The key is to avoid voltage drop, which happens when the supplied energy of a power source is reduced as electric current flows through wire (or any other pieces of equipment that do not supply voltage on a circuit). Electrical supply switches, conduits & sockets specifications, review information on residential accessories ..More