Simple Light Switch Terminals

Two way light switch mechanism a two way switch has three terminals its a little more complicated any useful than it s one way cousin.

Light switch terminals. But when it s off position 2 the current is diverted from the l1 to the l2 terminal. I verified with a multimeter that the central and bottom terminals are always live and the top terminal is live if the switch is in the up on. Active 1 year 6 months ago.

To turn off the light you can toggle. Viewed 4k times 5. The 1 pole light switch will have two terminals on it and possibly a third terminal that is a ground connection.

If either of the switches is toggled the light turns on. The l1 terminals of both the switches are connected to line or phase or live of the ac supply. I am replacing a light switch and found three black wires going to it.

The most common light switch is the single pole light switch. When it s on position 1 the com terminal is connected to the l1 terminal. Ask question asked 1 year 6 months ago.

One being a white wire identified by black tape or marked with a black felt pen to one terminal and one black wire connected to the other. You should only have two wires connected to the main switch terminals. In the state shown in the above image the light is off.

If you only have one cable in the device box then the switch outlet is likely wired as a switch leg drop.