Dimmer Switch Wiring L1 L2

By | March 26, 2021



Dimmer switch wiring is an important part of any residential electrical system. It allows for the control of a room's lighting level with just a flick of a switch. To do this, dimmer switches require two wires: a common wire, referred to as “L1,” and a hot/live wire, referred to as “L2.” Understanding how to connect these two wires correctly is essential for proper dimmer switch operation.

Installing a dimmer switch at home can be a daunting task, especially for a homeowner with little to no experience in the electrical field. The trick is to understand what each wire does and to make sure the connections are secure and properly insulated. With the right know-how and proper tools, connecting the L1 and L2 wires to the dimmer switch should be relatively straightforward.

When installing a dimmer switch, it is imperative to remember that L1 and L2 wires need to be kept away from anything else that can cause a short. Additionally, the building code requirement for adequate wall insulation should be followed to ensure safety. It is also wise to have a qualified electrician inspect the area to make sure there are no issues with the wiring. Taking these extra steps will help ensure the dimmer switch is installed properly and safely.


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