3 way light switch schematic diagram using a two wire control. If you are adding wiring for a three way light switch then use the 3 wire control system.
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3 way light switch wiring diagram uk. Uk so this fig 2 is what we call an intermediate switch so called because it is used in between two x 2 way switches to achieve 3 way switching clarified below under multiway switching. Wiring a three way switch happens with the use of the 3 coreearth cable. 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. If you are describing this switch to an electrician or electrical supplier you should refer to it as a 1 gang intermediate light switch. Connect the line brown wire coming from the light together with the 3 coreearth cable black wire in to the l1 terminal of the two way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light.
Wiring a 3 way light switch. Three way light switching wiring diagram all earth wires should connect to the earth terminal in the switch back boxes and if you are using metal switches there must be a loop from this earth terminal to the one on the switch plate see note a on fig 2. Sometimes called a crossover switch for obvious reasons. This 3 way light switch diagram shows connections when the power comes into the first switch on to the second switch and then on to two or more lights switched by the 3 way circuit. 3 way lighting circuit 3 way switch 3 way switching uk circuit electrical wiring. This cable consists of three cores brown grey and black which are all line colours and an earth wire.
Three way switches allow for controlling a light fixture from two separate locations these are usually used at the top and bottom of a flight of stairs or at two different entrances to a room.
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