The third wire should be the ground wire and is usually colored green or bare wire.
Light switch no neutral wire.
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A switch box with no neutral loop will usually only have three wires see image below.
This video shows you how you can still install a smart switch to control your lights fa.
There s no neutral wire at all which is perfect if you live in an older home that doesn t have neutral wires available at the junction box.
This switch is a non dimming and there is no timer or sensor so you should be able to find a switch that does not require a neutral unless the led is important enough to warrant pulling a new wire.
This is because the neutral wire for the circuit is actually in the.
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1 gang light switch for controlling 1 lighting circuit.
Have an older house with out a neutral wire for your light switches.
In this case you will not have a neutral wire and your existing configuration will look like this.
The two wires that come down to the switch from the hot leg powering the light itself.
Two of the wires will be the current carrying wires that power the light.
Without one the circuit is broken when the switch is in the off position and powered when the switch is in the on position.
Switch without neutral wire.
One way to wire a light switch is to have the power source wiring enter the light fixture directly and the switch is used to complete a circuit.
For smart switches that function without a neutral wire a home hub is essential.
Ge lighting estimates that as many as 40 of homes in.