3 Gang Switch Connection Diagram. The following diagram should help you to visualize how to wire up the three switches. The diagram shows connections for a ring main circuit.
For radial circuits or a spur off a ring main there will. When the switch is flipped the other way, that connection is broken, and the. "Gang" describes the number of switches on the plate. When 'off' the COM is connected to nothing.
When 'off' the COM is connected to nothing.
The upper portion of the changeover switch is directly connected to the main power supply while the lower first and right connections slots are connected to the backup power.
This format of light switch has three discreet switches on a single face plate. It is used to supply a three phase load from two individual three phase supply sources. There are no connections between the two gangs in Fig Intermediate switch related circuit diagrams and wiring diagrams Intermediate switch wiring diagram (old cable colours).