West Penn 356 4-Conductor Shielded Cable (500', Gray)

This 500'-long spool of 356 4-Conductor Shielded Cable from West Penn is suitable for intercom, security, sound, audio, background music, and power-limited control circuits. Ideal for use by installers or home technicians alike for indoor use. Inside the gray PVC jacket are four conductors, two which are shielded from RF interference, and two which are unshielded. This allows you to run audio and power in the same cable.