4 gang light switch wiring | DIYnot Forums I'd really appreciate some help in understanding the wiring of a 4 gang light switch in a 60's house: I was expecting to find four grey.. Electrical house wiring 3 gang switch wiring diagram - YouTube Click to view on Bing2:26The electrical system consists of the line from the pole, a #meter where electrical usage is tallied, a #main #circuit #breaker panel (sometimes called “load centers” and, in older homes, fuse panels), separate wiring Author: RYB ELECTRICALViews: 138K 4 Gang Switch Box Wiring Diagram - Wiring Diagram 4 Way Light Switch How To Wire A Three This Allows. Help wiring a 4 gang switch panel diagram wiring for 2 switches in 1 box and lights wiring two outlets in one box wiring diagram 4 Wiring A Two Gang Light Switch 4 Gang 2 Way Light Switch Wiring A Two Gang Light Switch 4 Gang 2 Way Light Switch Wiring Diagram New Wiring Diagram Switch photo, Wiring A Two Gang Light Switch 4 Gang 2 Way Light Switch How to wire a light switch | Downlights Wiring a One Way Switch. A one way light switch has two terminals which is a common marked as COM or C. The common is for the live wire that supplies the input voltage to the switch. The other terminal is marked as L1 and is the output to the light fixture. 4 Way Switch Wiring Diagrams - Do-it-yourself-help 4 Way Switch Wiring with Light First. This diagram illustrates wiring for a 4 way circuit with the electrical source at the light fixture and the switches coming after. Two-wire cable is run from the light to SW1 and 3-wire cable runs between the three switches.