How does a double switch light work?
A double-switch allows you to operate two lights or appliances from the same location. Double switches, sometimes called “double pole,” allow you to separately control the power being sent to multiple places from the same switch. For example, you might want to turn on a bathroom light separately from the ceiling fan.
Where does the black wire go on a double light switch?
The black (hot) wire goes to the brass screw or into the hole in the back of the device on the same side as the brass screw. This wire is sometimes red. The green or bare copper (ground) wire, if the device has one, attaches to the green screw terminal on the switch or to the electrical box.
How does a two way switch work?
The COM, L1, and L2 are the three terminals of the two-way switch. The L1 terminals of both the switches are connected to phase, and L2 terminals of both the switches connected to one end of the bulb terminal and the other end of the bulb terminal are connected to neutral of the AC supply.
What is a two way light switch?
Two way switching means you can switch the same light fixture from two switches that are located in different sides of a room. Two way switches have a COM terminal as well as L1 and L2 terminals. When L1 is off L2 would be on.
Does it matter what wire goes where on a light 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.
Which wire is hot when both are same color?
In most modern fixtures the neutral wire will be white and the hot wire is red or black. In some types of fixtures, both wires will be the same color. In this case, the neutral wire is always identified by some means.
How do you wire a two pole light switch?
Connect the black wire from the feed cable to the brass screw on the single pole light switch. Connect the black wire coming from the light electrical box to the silver screw on the single pole light switch. Use a wire nut to connect the two white wires (return lines) together. Two Lights Operated off One Switch.
How do you install an electric light switch?
Install the new light switch. Connect the two white wires together by holding their stripped ends side by side and screwing on a wire nut. Connect the bare ground wires together in like manner. Push these wires in the box. Make loops on the ends of the two black wires. Connect them to the two terminals on the switch,…
What is a single pole double light switch?
A single pole light switch only has two screws and they are on one side of the switch. The switch only controls power flow one direction. A double pole light switch has two sets of two screws one pair on each side of the switch. These switches are used to set up two and three way switching for lights,…
What color wire goes on a light switch?
Basic Knowledge of How to Wire a Light Switch Black Wire – This is the hot or load wire White Wire – This is the neutral wire Bare Copper (Green) Wire – This is your ground wire Red Wire – This wire is used for 3 or 4 way switches and will connect the switches together so they can each control your lights.