West Penn 25441B carries three 18 AWG pairs, each with its own foil shield and drain, so three separate circuits can share one plenum cable without crosstalk.
Three twisted pairs of 18 AWG stranded (7x26) ASTM bare copper
Nominal DC resistance 6.2 ohms per 1000 ft
Polymer alloy insulation, .008 in nominal thickness
Pair colors: black/red, black/white, black/green
Each pair shielded: 100% coverage aluminum polyester foil
A separate 24 AWG stranded drain wire for each pair
Nominal capacitance 68 pF/ft between conductors, 122 pF/ft conductor to shield
Short overall twist, flexible plenum jacket .015 in thick, nominal OD .278 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
West Penn 25440B gives you two individually shielded 18 AWG pairs in a flexible plenum jacket, a good fit for longer audio, intercom and control runs through air-handling spaces.Two twisted pairs of...
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