The Structured Cable Products 12/4OFC is a hgh end professional grade speaker cable, certified "In-Wall" Rated! This cable consists of high strand count insulated oxygen free copper conductors in a twisted pair construction (unshielded) with easy strip PVC jacket. It is excellent for use in High End Pro Audio" In-Wall" Installations and is also considered "HomeTheater Grade" speaker audio cable.
Rating: CL3 (Class 3)
Class 3.is a low-voltage cable designed and tested for installation inside walls, ceilings, and other concealed building spaces. The rating indicates that the cable meets specific fire-resistance and electrical safety requirements defined by electrical codes for Class 3 power-limited circuits. It is commonly used for speaker systems, audio/video distribution, security systems, and control wiring.