4 Wires To Light Switch. The top countries of suppliers are China, Hong Kong S. A light or lights can be controlled by more than one switch.
Install a light switch anywhere without running wires. Four-Way Switches & How They Work: This is the second of my series of tutorials on switches. One screw terminal is for Connect the ground wire to the green ground screw on the switch, tightening the screw firmly with a screwdriver.
Archaic light switches might as well be from the stone age.
Use the wire pliers and twist the black wires together in each of the light boxes, this includes the eight inch jumper wire or pigtail.
If it doesn't work, switch the lower wires. For example, this allows lighting in a hallway, stairwell, or other large rooms to be controlled from multiple locations. In this configuration you must you can use the light switch by just replacing the wires going to light by wires going to fan.