Electrical Wiring Diagram For Light Switch. The cable going to the light switch is connected as follows fig 2. This is where you can control the same light via two switches.
Connect live or a hot wire to the common or black terminal of the first switch. Circuit electrical wiring enters the switch box the black wire power in source attaches to one of the switch screw terminals fixture wiring exits the switch box the black wire power out wiring attaches to the other switch screw terminal. When l1 is on l2 would be off.
Here is a schematics in pdf format and a step by step process of connecting the wires with power at the switch.
This wiring diagram shows how all houses and most of commercial lighting installations are wired these days. The wires are enclosed in an outer sheet and are flat twinearth cables. The red wire from the feed cable is connected to the top terminal the red wire going to the light is connected to the bottom terminal the black wires from both cables are connected together in. Light switch 2 way wiring diagram listrik.