Red Black And White Wires Light Switch. Normally, black wires are attached to white wires. Wire-color conventions prevent wiring errors that could cause electric shock, start a fire, or damage appliances or fixtures.
This guide will take you through the steps of replacing those aging three-way light switches with updated wall controls. Again…the circuit's white wires bypass the switch UNLESS…a white wire has been converted to In this illustration, you can see the red hot "lead" wires of the dimmer are connected to the inbound Dimmer switch interrupts the black wire that goes to the light fixture. The top countries of suppliers are China, Hong.
It could be there is (or once was) a three-way switch in play.
This guide will take you through the steps of replacing those aging three-way light switches with updated wall controls.
I think somebody wired it wrong at one point. A line ran with a red and black wire only is maybe ran for a swamp cooler switch but what I dont understand is why there isnt a third wire, all wiring when connected to any. You have now installed the Wemo Light Switch to your electrical line.