If there is a white wire connected to the switch this is likely the switch leg. The black hot wire goes to the brass screw or into the hole in the back of the device on the same side as the brass screw.
Unable To Properly Wire Timer To Old Light Switch With One
Light switch black and white wire. For the ground on the wemo just cap it off with one of the wire nuts. Attach the black wire from switch two to a contact on the light fixture. The white neutral wire connects to the silver screw or you place it in the back wire hole on the same side of the device as the silver screw. This is a typical wiring setup for a 3 way light switch with black white red and ground wires. The fixture contains only black and white. Wemo black wire to the white wire from old switch.
If you have a ground wire connect the ground wire to the green screw. At the light the white wire connects to the neutral terminal and the black wire connects to the hot. Run white wemo to this common wire you add. Attach a wire nut. If the light can be turned on or off from switches at each. The hot wire in a 120 volt residential ac circuit usually is coated with black insulation while the return or neutral wire is white.
One of the black and white wires goes to the light fixture. White wires are often used for switching however the white wire should then be identified with black electrical tape or a permanent marker. A single pole single throw switch such as a light switch. Wiring a three way switch. It should be labeled as hot with a band of electrical tape so it is not confused with a neutral wire. The switch it is connected to is a dimmer switch with an onoff button as well as a dimmer slider.
Take the white wire from switch two and twist it with the black wire from switch one. The neutral wire from the source is spliced to the white cable wire and continues on to the light. If you dont have a ground wire leave the green screw unconnected. You have to have a common and i did was run a single wire from a box that uses a common wire. Run 2nd wemo black wire to black wire from old switch. The other may be black red or white.
The wiring in the ceiling contains a black red and white wire as well as a ground. Connect the black wire to the other brass screw. Wiring two switches for two lights here two switches are wired in the same box to control two separate lights. One of these is the power feed and one is the switch leg but the switch terminals are interchangeable so there is no need to identify which is which. If the wiring does not appear to be correct then the wiring should be traced out and identified and corrections made as needed. This wire is sometimes red.
The other black and white wires are the electrical circuit for the switch. Mark the white wire with a piece of electrical tape to indicate that the wire is now a hot wire. Then attach the white wire from switch one to a contact on the light fixture.
Gallery of Light Switch Black And White Wire
