Light Wiring Diagrams

2 gang intermediate light switch

The intermediate light switch is used where three or more switches control one light and used in conjunction with two two way light switches to achieve this. It is effectively two single gang intermediate switches on one face plate.

Double gang swith face plate

Double gang switch face plate

Double gang intermediate light switch

Fig 2: Double gang intermediate light switch

Light switch mechanism

Intermediate light switch mechanism

Fig 3: Intermediate light switch mechanism

Each of the gangs (or switches) above in Fig 2 (of which there are two) work like this (Fig 3): There are four terminals, usually L1, L1 and L2, L2. In one position, L1 and L2 are connected in pairs. In the other position, alternate pairs are connected.

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