What Does L1 L2 And C Mean On A Dimmer Switch

By | November 1, 2020



Dimmer switches are becoming more and more popular in homes across the country. They allow homeowners to control the brightness of their lights with a single switch. But what do the terms L1, L2, and C mean on a dimmer switch? It’s not as complicated as it might seem. Keep reading to find out what these terms mean and how they might affect your dimmer switch installation.

When it comes to dimmer switches, they’re actually quite straightforward. L1, L2, and C all refer to the three different wires that go into the dimmer switch itself. The L1 wire is the “line” or “live” wire, which carries the electric current. The L2 wire is the “neutral” wire, which completes the circuit and brings the electric current back to the source. And then there’s the C wire, which stands for “common,” and this is the ground wire, which ensures that any excess electricity is safely discharged away from the circuit.


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