What is the difference between CL2 and CL3?

100ft Speaker Wire 14AWG CL2 Rated 2-Conductor Loud Cable is made by PrimeCables for in-wall installation. You must see a lot of in-wall installation speaker wires in market, like eBay, amazon and so on. Some products really show a super low price. Clever customers will choose the famous brand for a high quality cable for long-term usage. From the description from the retailers, you can see in-wall installation speaker wires including CL2 Rated or CL3 Rated. Which one should be bought? I will tell you the knowledge of in-wall installation speaker wire.

CL2 Rated is for cables designed for in-wall installation. It regards the plastic insulation (doesn’t burn easily etc.) around the copper and not the copper itself. If you install where your cables are in the wall/ceiling. Make sure you use CL2 rated, don’t just use the regular speaker wire.

CL2 is the designation for Class 2 Circuit wire and CL3 is the designation for Class 3 Circuit wire. Both are regulated under NEC Article 725. They are both used for remote-control, signaling, and power-limited circuits. In plain English that means that CL2 and CL3 are types of multi-purpose wire used for things like security systems, speaker wire, intercom systems, nurse call buttons, and more.

The difference between the two is that CL2 is rated for up to 150 volts while CL3 is rated for up to 300 volts. (NEC 725.71 F) According to NEC 725.2, CL2 offers some protection from electric shock while CL3 offers a bit more because it is rated to carry more voltage. CL3 may be used in place of CL2, but not the other way around.

These speaker wires feature two conductors made of high purity (greater than 99.95% pure), oxygen-free copper. It matches perfectly your high end audio system and make your equipment perform greater. Each conductor is jacketed with color-coded PVC for easy polarity identification, inner conduits are covered by red and black jacket. The entire cable assembly is jacketed in a white, CL2-rated PVC material. The CL2 rating indicates that the cable complies with fire safety and insurance requirements, making it safe for use inside the walls of residential class buildings. Get the most out of your home audio system with high quality, oxygen-free copper speaker wire from PrimeCables.ca!

100ft Speaker Wire 14AWG CL2 Rated 2-Conductor Loud Cable (For In-Wall Installation)

100ft Speaker Wire 14AWG CL2 Rated 2-Conductor Loud Cable (For In-Wall Installation)

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