Looking Good Light Switch 2 Black Wires 1 Red Wire
But what about a regular old light switch.
Light switch 2 black wires 1 red wire. Black means hot white signifies neutral and green indicates ground. They should both be of the same wire gauge. The black wire is the hot wire the one you should never touch with the power on.
12 awg for 20 amp circuits and 14 awg for 10 and 15 amp circuits. Next never do any wiring unless you c. You ll have two cables in the switch box a live one with a black and white wire and the one going to the outlet which has a red black and white wire.
Join the black wires from both cables together add a 6 inch jumper cable of the same gauge twist them all together and screw on a wire cap. It s essential that you determine which black wire is hot before proceeding. Connect the black wire to the other brass screw.
From what you are saying it sounds like its the end of line for the lighting circuit therefore you have one permanently live cable and one switch cable. However if you need to rewire a light switch or a plug socket you may occasionally come across two black wires. If you are unsure you should really have a electrician come over and fit the light for you.
There are two black wires attached to one brass screw and a red wire attached to the other brass screw. So on an occupancy switch like the enerlite hoss that cares about which wire is live the red wire in the switch box connects to the red wire on the switch. If you don.
Join the white wires and cap them in the same way but omit the jumper wire. One black from bottom screw on side with small rectangular slot on outlet or one of 2 twisted together with a wire nut to the the light fixture. There appear to be two white assume neutral wires screwed together with a wire nut and a ground wire tucked away inside the junction box.