The humble junction box might not be what you think of when you think of your home's electricity, and you might even wonder what it does. Do you even need one?

Hopkins Manufacturing boat trailer light kit uses sealed pass throughs and a bell ... housing more durable than plastic LED tail lights, the sealed box keeps moisture and grime away from electrical ...

Knockouts are the places where an electrical box has been punched through to allow for wiring, so connections for outlets, light fixtures or additional wiring can be made within the box ...