West Penn 25359B 20 AWG 4 Conductor Stranded 2 Shielded 2 Unshielded CMP Plenum Cable

West Penn 25359B combines a shielded 20 AWG audio pair with two unshielded 20 AWG conductors under a flexible plenum jacket, built for longer intercom and sound runs through air-handling spaces.

• Stranded 20 AWG (7x28) ASTM bare copper conductors, cabled construction
• Nominal DC resistance 10.1 ohms per 1000 ft
• Polymer alloy insulation, .008 in nominal thickness
• Insulation colors: shielded black, red; unshielded white, green
• Shielded pair: 100% coverage aluminum polyester foil with stranded tinned copper drain wire; remaining conductors unshielded
• Nominal capacitance 60 pF/ft between conductors, 108 pF/ft conductor to shield
• Overall flexible plenum jacket .015 in thick, nominal OD .180 in
• NEC Type CMP
• UL and cUL listed, meets 300V NEC requirements
• Flame rating NFPA 262 smoke and flame test
• Applications in plenum spaces: intercom systems, security systems, sound and audio, background music
• Non-plenum version available as West Penn 359
• Gray jacket, 1000 ft reel-in-box

West Penn Wire part number 25359BGY1000.