Mistake: No electrical box | Never connect wires outside of electrical boxes. Junction boxes (or a J box) protect the connections from accidental damage and contain sparks and heat from a loose ...

If it's too big or small for the gauge or number of wires, you risk a loose connection that could cause an electrical failure at best and a fire at worst. Manufacturers have color codes to help ...

The cable between the device and the three-pin ... if there is a fault A fuse provides a built-in fail-safe to the electrical circuit for a device. The fuse contains a thin wire that will melt ...