20 AWG 7 Conductor Type CM Unshielded Communication Cable
20 AWG 7 Conductor Type CM Unshielded Communication Cable
Applications:
20 AWG 7 Conductor Type CM Unshielded Communication Cable is a cable used for communication purposes in public address systems, Intercoms, Internal telephones, and remote control circuits. Cable’s voltage rating is 300 volts. The cable is color-coded in gray.
Also Known As:
20 AWG 7 Conductor Communication wire, 20 AWG 7 Conductor data communication cable, 20 AWG 7 Conductor communication multipurpose cable, 20 AWG 7 Conductor type CM cable, 20 AWG 7 Conductor rated communication cable.
Construction:
Conductors:
Fully annealed, stranded tinned copper per ASTM B-33
Insulation:
Premium-grade, color-coded polyethylene.
Jacket:
A gray PVC jacket with a temperature rating between -20°C to +80°C.
Shield:
An aluminum/polyester shield with a 25% foil overlap and a stranded tinned copper drain wire.
Standards:
• UL Style 2464
• UL Style 2576
• NEC Article 800 Type CM
• CSA CMG
• RoHS Compliant Directive 2002/95/EC
• UL 70,000 BTU Vertical Tray Flame Test
• CSA CMG Flame Test
Specification
• Size: 20 AWG
• Number of Conductors: 7
• Conductor Stranding: 7/28
• Nominal Insulation Thickness: 0.016 inches
• Nominal Jacket Thickness: 0.032 inches
• Outside Diameter: 0.275 inches
• Nomonal C-C Cap. pF/ft: 28.0
