Determine whether you will be using twist-on wire nuts, push-ins, lever nuts or screw terminals. Twist-on wire nuts are a traditional, inexpensive choice that work for most splicing applications.

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) ...

It's standard practice for electricians to leave at least six inches of wire in wall boxes. That way, you've got enough slack to install a new outlet or switch. But if you're short on wire in a wall ...