It is effectively two single gang intermediate switches on one face plate. The source is at sw1 and 2 wire cable runs from there to the fixtures.
Is It Possible To Replace A Two Way Switch With Two Wall Pir
Intermediate light switch wiring diagram. The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light. In some countries the four way is called an intermediate switch. Intermediate switch an intermediate switch is a three way light switch. 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. This diagram illustrates wiring for one switch to control 2 or more lights. When the switch knob is up the terminal contacts of intermediate switch connect terminal a with terminal c and terminal b with terminal d as shown in fig 1a.
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. It is used when you have three or more switches controlling one light the middle switch needs to be an intermediate light. See the light switch wiring diagrams above and below. You would just continue from one 3 way switch box with the 143 three conductor cable two colored traveler wires a white neutral and a bare or green ground wire in and out of each four way switch box.
Gallery of Intermediate Light Switch Wiring Diagram
