Which wire goes where on a single pole switch?

With a switch loop yes, it should. The hot wire should come down from the ceiling on the white wire and go back up on the black wire. Just think white down, black up. If you wired it the other way around, hot black down and hot white up, you have a problem.

Where does the red wire go on a single pole light switch?

The red wire will go on one of the brass screws, but whether it goes on the left or the right depends on how the room is wired. If you dont know how it was, connect the red wire to one of them, turn the power back on, and try the lights. If the switches malfunction, switch the lower wires on the new switch.

Can a light switch cause a fire if turned off?

Answer: It would be unusual, but possible as long as the circuit is hot. The small springs inside the switch gradually go bad, causing resistance and that resistance causes heat, which causes a fire. Answer: If the circuit is turned off at the breaker panel, there is no source of energy to cause a fire.

How do you wire a black and red light switch?

0:550:51Wiring a Control with One Black and One Red Wire - YouTubeYouTube

Do I have to connect the red wire?

If you change a light fixture and find a red wire in the electrical box, chances are the black wire from the fixture needs to go to the red wire in the box. But in places like a bathroom or a wall light, if you see a red wire, its a good bet that the red wire is the wire thats connected to the light switch.