Connect the lead wires from the fixture to the black hot wire in the electrical box by twisting a wire connector to the ends of the. Go to the big box store and get a single pole single throw sounds like you bought a 3way switch single pole double throw.
How To Wire A Light Switch 3 Way Switch Wiring Guide
Light switch two black wires. Be sure you have shut the power off before you start. It would be hot when the switch is on and not hot when the switch is off. 2 blacks wires hot lead 1 red wire relay. I have a set of three switches in a 3 gang box wired that way. Switches are never connected between a black wire and a neutral wire. Change the light switch that operates on both sides of the wall.
This is electrically the same as having a separate wire going to each switch from a common line hot. Connect the 2 black wires 1each to the brass screws on the new switch. The other wire also black should be the switched hot going to a light or a switched receptacle. Make sure to shut off the power before doing this turn the breaker for the circuit off. Change the light switch that operates on both sides of the. Connect the top screw to the wire that feeds to the light.
If i have two black electrical wires how can i tell which one is hot. Connect the bottom screw to the hot wire. Twist the ends of the two light fixture lead wires together. Don a pair of protective rubber gloves before testing to find out which black wire is hot. Voltage is the pressure of electricity flowing through a. When you connected the black and white wires to the motion switch i think you blew the switch direct short to ground.
In newer wiring made with nm cable the wires will have black insulation and likely will be attached to brass or copper colored screw terminals along one side or on opposite sides of the switch body. Set your multimeter to measure voltage. The two black wires one is power input the other is switched power output is used to control a light fixture or outlet. 15 minutes to change. When you turn the power back on and if you want to swap the direction of the switch as in press down to turn off or turn on turn off the power and switch the two black wires. Now your motion switch is always on.
Gallery of Light Switch Two Black Wires
