What Colour Wire Is L And N

By | October 8, 2017



What Color Wire Is L and N?

Many electricians and home DIYers are familiar with the common wire designations of “L” and “N”, but not everyone knows what color of wire is associated with each letter. It’s important to understand these color distinctions because they help prevent potentially life-threatening electrocution hazards. Generally, L stands for line, which is an electrical connection that carries power from the main panel to a device, while N stands for neutral, which is a conductor that returns power back to the main panel or ground.

For safety purposes, the American National Standards Institute (ANSI) requires that L be designated as black and N as white - and no other combinations are allowed. This helps avoid any confusion by having two different colored wires for each specific purpose. Any other colors may represent a third party ground wire, which typically doesn't have an ANSI designation and can vary between installations.

Whether you’re a professional electrician or just doing a bit of home wiring, it’s important to pay attention to the color of the wires used in your projects. Knowing the difference between the L and N wires gives you a better understanding of the electricity running through your system, as well as helping you to avoid any potentially hazardous situations. Whether you’re installing new lighting fixtures or rewiring an entire house, it’s always a good idea to make sure you know the correct wire colors and their corresponding meanings.


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