This article talks about the various types of sound and security wire available today. Sound and security wire is most commonly purchased as a stranded copper product.
These types of wires are manufactured with a riser or plenum rating. Riser, which is commonly referred to as CMR, uses a PVC construction. Plenum, called CMP, can be […]

There are a variety of wire and cable products that are manufactured in plenum versions. The most commonly used is plenum cable. Plenum cables are used in electrical or telecommunication applications and are installed in the air spaces of most residential and commercial buildings. Plenum fire alarm cable, plenum coax cable and plenum cat 5 […]