Old Single Pole Light Switch Wiring

Dennis from denver colorado asks.

Old single pole light switch wiring.

The switch leg brings power to the fixture when the switch is turned on. In this diagram 2 wire cable runs between sw1 and the outlet. In this first example i ll be wiring a one gang junction box that holds one single switch and that switch controls one single pendant light. The source is at sw1 and the hot wire is connected to one of the terminals there.

Wiring a single light switch in the middle of a circuit. How to wire a standard single pole light switch. A single pole single throw switch such as a light switch works by interrupting the hot wire so it has two brass terminals for the hot connections and no silver terminals for neutral. The ground screw is for the circuit ground wire connection.

Light switches operate by providing an operational break in the hot circuit wire leading to a light fixture or other device. A standard single pole light switch will simply require you to attach the black load wire into it and then the black wire leaving the switch and to your lights. This is commonly used to turn a table lamp on and off when entering a room. And this switch is pretty much right smack dab in the middle of the circuit with two switches before it and a few outlets after it in the circuit.

The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture. The switch serves to cut the power from reaching the light switch. Touch the device to the old light switch or any exposed wires to ensure that there is no power coming to the wall. Flipping the switch s lever opens and closes the hot wire circuit leading to the light fixture allowing you to turn it on and off at will.

Can one single pole switch control another single pole switch. The original intent was to have three way switching which didn t happen. Standard single pole switches do not connect to neutral circuit wire. Here a receptacle outlet is controlled with a single pole switch.

Some contractors will lump certain rooms together when wiring meaning that a nearby bathroom that you thought was turned off could have several wires hooked up to the bedroom fuse.