Speaker wire is used for A/V receivers, speakers, amplifiers, and many other wired resources to provide electrical connection. for paging or commercial sound systems. Our high quality speaker wires can be used for small or big gauge type of installation. The best speaker wire for paging system are 2 conductor type in a shielded jacket 18 or 16 gauge. The shielded jacket protects the wire conductors from receiving electrical interference from other electrical equipment of even florescent lighting. Local laws may specify that the cable be low smoke Plenum cable. Shielded Plenum cable should be used in areas where people are located such as office areas or classrooms.