Ace Wiring Intermediate Light Switch
Connect the line wire of this cable to the supply cables line wire.
Wiring intermediate light switch. The schematic diagram below shows how all four way switches are wired. When the switch knob is up the terminal. If we flip switch 3 we make the circuit and the lamp turns on.
If we flip switch 2 then we break the circuit and the lamp is off. In some countries the four way is called an intermediate switch. It is effectively two single gang intermediate switches on one face plate.
Connect the black wire from the first two way switch to the l1 terminal and connect the grey wire to the l2 terminal. Four way switch wiring schematic. Unfortunately the intermediate switch does not have a dedicated terminal for the third core of the 3 core earth cable.
Intermediate switch wiring diagram new cable colours 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. The four terminals of intermediate switch construction and its operation are shown in fig below where the 4 contact points may be known as a b c d. 4 way switch wiring diagrams.
The wiring diagram further down depicts another choice of wiring method. What we need is to utilise the two way and intermediate switching available. Single gang intermediate light switch description and wiring diagrams for 3 way light switching circuits.
This video shows how to wire a three way lighting circuit this means that you can have three separate switches for example one in the hall way one on the l. Now it is time to wire up the intermediate switch. You would just continue from one 3 way switch box with the 14 3 three conductor cable two colored traveler wires a white.