20 AWG 4 Conductor Type CMR Foil Shield Computer Cable
20 AWG 4 Conductor Type CMR Foil Shield Computer Cable
Applications:
20 AWG 4 Conductor Type CMR Foil Shield Computer 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.
Also Known As:
20 AWG 4 Shielded communication wire, 20 AWG 4 Shielded data communication cable, 20 AWG 4 communication multipurpose cable riser, 20 AWG 4 type CMR cable, 20 AWG 4 riser-rated cable.
Construction:
Conductors:
Fully annealed, stranded tinned copper per ASTM B-33. The pairs of a conductor are twisted/
Insulation:
Premium-grade, color-coded S-R PVC.
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
• NEC Article 800 Type CMR
• 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: 4
• Conductor Stranding: 7/28
• Nominal Insulation Thickness: 0.018 inches
• Nominal Jacket Thickness: 0.032 inches
• Outside Diameter: 0.236 inches
• Nomonal Cap. pF/ft: A-39.0, B-70.0
