First on the electrical wire color code is black. “Black wires are most used as ‘hot’ wires in residential systems,” says ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Wire connectors are electrical fasteners that are essential to help you join (splice) ...

There are many types of wire connectors out there but these are some of the most common ones you'll encounter.