Switch without neutral wire the reason that some smart switches wont work in this configuration is that the switch is breaking the circuit when it is off so power is not flowing through the switch. The third wire should be the ground wire and is usually colored green or bare wire.
Photocells Amp Timers Electrical 101
Wiring timer switch without neutral. Turn off the breaker to the electrical circuit to which the timer switch will be connected at the breaker panel. Two of the wires will be the current carrying wires that power the light. Smart switches require a source of power because they are always communicating with a hub. They will usually be colored one black and one white potentially with black stripe. A switch box with no neutral loop will usually only have three wires see image below. Install a lutron light switch and gateway.
How to wire a timer switch with no neutral connection 1. Loosen the plate cover screws with a screwdriver and remove the plate cover over the existing switch. You can then add the gateway to one of the apps above. Ultrapro honeywell 60 minute countdown in wall timer mechanical switch spring wound no neutral wire needed single pole ideal for lights exhaust fans heaters pumps 41081 white 41 out of 5 stars 32 999999 free shipping on your first order shipped by amazon. Loosen the mounting. If your switch only has 2 wires and an earth wire this is a switched live arrangement and there is no neutral wire available.
You just need to first add a gateway and then you can add light switches that communicate to the gateway. Many electrical timers require a neutral so that the switch can be powered without sending power to the load.
Gallery of Wiring Timer Switch Without Neutral
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