What is a intermediate light switch?

An intermediate switch allows control of a single light from several locations, typically installed across three or more points in a room or building. This makes them ideal for use in stairways, landings and open plan spaces to provide a nearby switch from multiple positions.

How does an intermediate light switch work?

An Intermediate Light Switch is where 3 lighting points control the same circuit. One light switch in a bedroom controlling say a central light would be a 1 gang 1 way light switch. On a staircase, a light switch at the bottom and at the top of the stairs controlling the landing light circuit would be a 2 way circuit.

Can you feed an intermediate switch?

Yes, you can continue to use the existing L and S/L, connected to the intermediate switch.

What does L1 L2 L3 L4 mean on a light switch?

In one position L1 connects to L3, L2 connects to L4. In the other position L1 connects to L4, L2 connects to L3. Used where three or more switches control the same lighting.

What is intermediate switch?

An intermediate switch is a three way light switch. It is used when you have three or more switches controlling one light, the middle switch needs to be an intermediate light switch.

Can a lamp be controlled by an intermediate switch?

Key Point: You may control a lamp from many different places by adding more intermediate switches such as in the middle of stair or in shared flats (when needed). Also, many other electrical appliances like fans, alarms, machines etc can be control from different places by using intermediate switch. Room Air Cooler Wiring Diagram # 2.

Where does L1 connect to L2 in a light switch?

In one position L1 connects to L3, L2 connects to L4. In the other position L1 connects to L4, L2 connects to L3. Used where three or more switches control the same lighting. Further details on lighting and light switches.

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