The proper wire to insert the switch into is the black, or “hot” wire. The reason for this is because if you put the switch on the white or “neutral” wire, you will still have an energized plug at the other end that has potential to ground and is no safer than not having the switch at all.

Which color wire goes to the switch?

Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and three- or four-way switches. White or gray electrical wires are neutral wires.

Which wire should connect to switch?





Switch should be connected to the neutral wire. Switch should be connected to the fuse wire.

How do you wire a switch to a power cord?

Quote from the video:
Quote from Youtube video: Now to start wiring the switch and receptacle. Start by forming a hook and the white neutral wire from the power cord and wrap this around one of the bright metal screw terminals of the receptacle.

Do you put a switch on the white or black wire?

You connect the black wires in the electrical box to the switch terminals, and the white wires to each other. The switch also has a green terminal for the ground wires, which usually are bare.

Does it matter which wire goes where on a light switch?

In the case of a single-pole switch, these wires are interchangeable—it doesn’t make any difference which wire is attached to which screw terminal. Inside the switch is a metal pathway that closes when the switch is in the ON position and opens to interrupt the flow of power when the switch is turned OFF.

What is the color wire code?





US AC power circuit wiring color codes



The protective ground is green or green with yellow stripe. The neutral is white, the hot (live or active) single phase wires are black , and red in the case of a second active. Three-phase lines are red, black, and blue.

Where does the black wire go on a switch?

If the terminal isn’t labeled as “Common,” it will have a black or copper terminal on the bottom side of the switch. Then, connect the red wire to a terminal on the top side of the switch. Red is a traveler wire and can be connected to the left or the right upper terminal.