How do I wire a light with two switches?

Quote from the video:
Quote from Youtube video: The red wire connects the switches normally open terminals. And the black wire connects the normally closed terminals.

What does 2 Gang mean on a light switch?





two lighting circuits

2 Gang Dimmer Switch. A 1 gang switch will control a single lighting circuit, and with a 2 gang switch you can control two lighting circuits, and so on.

What does L1 and L2 mean on a light switch?

Two way switches have a COM terminal as well as L1 and L2 terminals. When L1 is off L2 would be on. When L1 is on L2 would be off.

Can you connect two switches together?

Quote from the video:
Quote from Youtube video: Connecting two or more switches on a computer network is a very common functionality by connecting two or more switches. Together we gain a larger amount of connectivity.

What is the difference between 1 way and 2 way switch?





The one-way switch has two contacts and the two-way switch has three contacts. In a two-way switch, there are two, one-way switches combined in one. One of the terminals can be connected to either of the two, but not both at the same time.

What is a neutral wire in a light switch?

Here’s a rundown of electrical wires: The black wire is the “hot” wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the “neutral” wire, it takes any unused electricity and current and sends it back to the breaker panel.

Is it OK to daisy chain switches?

Daisy-chaining will provide a single point of failure and if the first switch in the row fails, also the second switch is cut off the network. If you connect both switches to the core you have better redundancy.

Do you need a crossover cable to connect two switches?

(Although your devices are probably switches mislabelled as hubs, not actual hubs.) Without this feature, two hubs or switches (just like two computers) would have needed a cross-over cable. That is, unless one switch had a dedicated ‘Uplink’ port, which would accept a straight-through cable instead.

Can you daisy chain light switches?



Daisy chaining is a simple way to connect two or more light fixtures. Multiple light fixtures operated by a single switch can be most easily wired through a process known as “daisy chaining.” This is a simple, serial wiring scheme that connects the wires of the light fixtures one to the next in a single circuit.

What happens if you wire a light switch wrong?

But here’s the catch: If you connect the circuit wires to the wrong terminals on an outlet, the outlet will still work, but the polarity will be backward. When this happens, a lamp, for example, will have its bulb socket sleeve energized rather than the little tab inside the socket.

Can wiring a light switch wrong cause a fire?

Usually, a broken or failing light switch isn’t a fire hazard itself, but it can overheat if the contacts or the switch wear down. Sometimes a bad light switch can cause other components on the circuit, such as a bulb, to become a fire hazard by causing an intermittent current.

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.

How do you know if a light switch is wired correctly?

Single-pole switch: Clip the wire of a continuity tester to one of the screw terminals, and touch the other terminal with the tester probe. Turn the switch lever on and off. The tester should light up when the switch lever is in the on position but should not light up when the switch lever is off.

How are light switches wired?

The black wire is spliced to a black wire in a cable that runs to the switch. That cable’s white wire is also connected to the switch and runs back to and is connected to the light. Flipping the switch interrupts the flow of electricity, and the switch does its job.

Do light switches need to be grounded?

Grounding light switches have become commonplace, used as a preventative safety measure. It is perfectly legal to wire a light switch without the inclusion of a ground. Dimmers will require a ground wire but traditional toggle-type switches will not. Omitting a ground wire on any switch is not recommended.