How To Wire A Switch To A Light Bulb

Remove the existing light bulb and fitting.

How to wire a switch to a light bulb. There s a much greater potential for getting a dangerous shock especially when changing a bulb. Here you can see there is a cut in the line wire connected to lamp 3 so the bulb is switch off and the rest circuit is working. If there is no existing light bulb or fitting just loose wires skip this step and proceed to step four. Simply strip the wire to the length specified and push the wire into the hole.

This gauge is when you want to use the quick connect method when wiring a light switch. Wiring a 2 way neon pilot light switch with light bulb. The bulb is. The wiring diagram clearly shows that the live line or hot wire is connected to on the black terminal on line side.

Connect the source wire to the bottom terminal of the switch and the other black wire to the top terminal. The most common requirement of any hardwired automated light switch is a neutral wire. The following simple wiring diagram shows that how to wire a pilot neon light switch with a lighting point. Another major defect of series lighting circuit is that as all lamps or bulbs are connected between line l and neutral n accordingly if one of the light bulb gets faulty the rest of the circuit will not work as the circuit will be open as shown in fig below.

In this picture you can see the strip gauge on the back of the switch. Then pop the outer shells off the bulb sockets exposing the inner metal socket and the wire connections. A metal light switch must be earthed as seen below. If your switched live wire is already marked by a sleeve or insulation tape do not remove this.

The l2 terminal is unused. And when the switch is on only the tab at the bottom of the socket is hot but if the wiring is reversed and the power goes to the threaded socket the threaded socket is always hot whether the switch is on or off. Here you can see that the line connected to lamp 3 has a cut in the wire so the bulb switch is off and the rest of the circuit is working properly i e. For those of us using led fluorescent or some other energy efficient bulbs under 20w a neutral is required.

Yes there are a few read very very very few switches that don t require a neutral but those will limit you to incandescent only. Remove the light bulb by hand and the fitting by screwdriver.