Wiring Diagram For Light Switch

Searching for looking for a wiring diagram for a light switch, you first need to ask yourself what sort of a light switch you are working with. In most home wiring situations, you will likely only find three kinds of light switches.

Wireless Touch Switch White 1 Gang 1 way Touch Panel Switch

The most common light switch is the only pole light switch. The 1-pole light switch may have two terminals on it, and possibly a third terminal that could be a ground connection. In the event you only have one cable within the device box, then the switch outlet is likely wired as a switch leg drop. It’s best to only have two wires connected to the primary switch terminals; one being a white wire identified by black tape or marked with a black felt pen to at least one terminal, and one black wire connected to the other terminal. It doesn’t matter what terminal the wires are connected to on a single pole switch. The bare ground wire should be connected to the grounding terminal if there may be one present. The device or outlet box should be connected to the ground wire if it is a metal box and to a plastic device box if there’s a ground screw and grounding strap as an integral part of the box. If there are two or more cables in the outlet box, the primary switch terminals will likely have a black wire on each terminal, or possibly a black wire on one and a red wire on the other terminal. Here’s a wiring diagram for a switch (single pole).
Another type of switch you will encounter within the house is a 3 way switch. The three-way switch may have a grounding terminal, and the box and the switch ought to be connected to the bottom wire as described above. The three way switch may have three terminals on it; two on one side, and one terminal on the other. On the side with two terminals, one will likely be identified as the common terminal and can be a different color than the opposite two (brass), and probably will likely be black. The only one of many three wires to maintain track of and identify if replacing a 3 way switch is the wire connected to the common terminal. Here is a wiring diagram for a light switch (three way light switch).
The third type of switch you may encounter in the home is the four way switch. The 4 way switch has four terminals. Grounding is required as described above, and the four terminals might be identified in pairs as the “interminals, and the “outterminals. If replacing a four way switch, it’s essential to identify the pair of wires that are connected to the “inand the pair of wires connected to the “outterminals. Here is a wiring diagram for a light switch (four way light switch).
It is feasible that you could be encounter a double pole light switch within the house, but these should not very common in a residential setting. These switches have four terminals as well, however the terminals are identified as “lineand “load The double pole or 2-pole switch is basically two single pole switches operated by one toggle. Each side is an independent light switch.

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