Which side of the door does a light switch go on?

Which side of on off switch is on?

Power buttons and switches are usually labeled with “I” and “O” symbols. The “I” represents power on and the “O” represents power off.

Does it matter which way a light switch goes?

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.

What happens if you wire a light switch backwards?

If your outlet’s polarity is reversed, it means that the neutral wire is connected to where the hot wire is supposed to be. This may not sound like a terrible thing, but it is. There is always electricity flowing out of an outlet with reversed polarity, even if an appliance is supposed to be off.

Can you flip a light switch?

If the switch is symmetrical, you can unscrew the plate and rotate it 180 degrees then screw it back in. Hot and neutral don’t go into a light switch, only hot. The switch sits on the hot line to allow (or not allow) current to flow. In most cases, you can simply reverse the wire to change how the switch behaves.

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Does it matter which wire goes where on a lamp?

If you wonder why you have to identify and connect the hot and neutral wires correctly in a lamp, read on. True, the lamp will usually work either way. But the issue is safety. Normally, power (voltage) comes through the tab on the socket base.

Does it matter which wire goes where on an outlet?

The screw terminal should not be touched by the insulation. The white neutral wire can be used on either of the two silver terminals. The black hot wire can be put on either brass screw terminal.

Can a bad light switch cause a fire if the light switch is turned off?

Answer: An outlet always has power to it as long as the breaker is turned on, so yes it can start a fire when there is nothing plugged into it. A light fixture that is turned off, on the other hand, would be very unlikely to cause a fire.