Light Switch Wire Size

When the electrical source originates at a light fixture and is controlled from a remote location a switch loop is used.

Light switch wire size.

If you re wiring a circuit on which there are both lights and outlets or you just aren t sure which wire gauge to use you can t go wrong by choosing a 12 gauge wire. This circuit is wired with a 2 wire cable running from the light to the switch location. Next bend the wire into a pig tail loop so that you can easily attach to the screws on the light switch. The wire strippers should have a spot marked for each gauge wire.

Fully explained wiring instructions complete with a picture series of an installation and wiring diagrams can be found here in the gfi and light switch area here in this website. Then use your wire strippers and strip away about 5 8 of an inch of the insulation from the wire. A dimmer switch is wired the same way as a single pole switch. A standard 12 gauge copper wire has a diameter of 2 05 mm while the diameter of 14 gauge copper wire is only 1 63 mm.

How to wire a gfci and outlet to a light switch. Just click the wiring diagrams. In this illustration you can see the red hot lead wires of the dimmer are connected to the inbound black wire from the electrical source the electrical panel and the black wire that goes to the light fixture s black wire which in this case is a white wire that has been taped with black electrical tape.