The 500 foot822220 Twenty-Conductor Shielded WirefromAiphoneis a 20-conductor, 22 AWG Mylar shielded bulk cable, and is technically matched for use with the company's intercom systems. Utilizing the correct cable helps ensure proper system performance.
Manufactured in accordance to UL standard 444, NEC listed Type CMR & UL standard 14, NEC listed type CL3R C(UL) 75°C Sunlight Resistant California State Fire Marshall Approved