Basic wiring for a single pole light switch and light. Excluding the ground screws on all of these switches a single pole has 2 terminals a 2 pole has 4 a 3 way has 3 and a 4 way has 4.
Installing Hs200 For A Single Pole Light Switch With 3 Black
Single pole light switch with 3 wires. 3 way switch wiring diagram line to light fixtureline voltage enters the light fixture outlet box. A third type is the four way switch which is used in conjunction with two three way switches to control lighting from more than two locations. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. The other terminal is for a second hot wire called a switch leg that runs only between the switch and the light fixture. The difference between a single and double pole switch is that the latter controls two circuits at the same time. A double pole switch is what you need to control a 240 volt device because 240 volt circuits have two hot wires.
One screw terminal is for the hot wire that feeds the switch from the power source. Single pole switches are the most common light switches in a home. No longer allowed after 2011 nec if no neutral wire in switch boxes 3 way switch wiring diagram light fixture between switchesline voltage enters the first 3 way switch outlet box light fixture is located between switch boxesno longer allowed after 2011 nec if no neutral wire in switch boxes. Two for incoming hots and two for outgoing hots. The red and black are used for hot and the white neutral wire at the switch box allows for powering a timer remote control or other programmable switch. The three way switch is a variation of the standard single pole switch which controls a light only from one location.
Because the electrical code as of the 2011 nec update requires a neutral wire in most new switch boxes a 3 wire cable runs between the light and switch. Plus the two black wires are using the same terminal. A single pole a 2 pole a 3 way and a 4 way. The switch in question is a single pole. It has four terminals. From it there is 3 wire cable that leads to a light which then connects to other lights controlled by their own switches.
Wiring a 3 way light switch wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram. Kasa smart light switch by tp linksingle poleneeds neutral wire24ghz wifi light switch works with alexa and google assistantul certified 3 packhs200p3 46 out of 5 stars 719 1 best seller in ceiling fan wall controls. In a home youre likely to come across four possible types of light switches. Theres no three way set up and this isnt a switch loop either. They have two screw terminals plus a ground screw.
Gallery of Single Pole Light Switch With 3 Wires
