West Penn 77350 is a four-conductor media control cable that carries a shielded 22 AWG data pair and an 18 AWG power pair in one jacket, built for control-system bus wiring between touch panels, keypads and processors. It cross-references to Crestron CRESNET NP, Liberty LLINX-U and Extron 22-148-03.
Data pair: 22 AWG stranded (7x30) bare copper, foam polyolefin insulation, 100% aluminum foil shield with drain wire
Power pair: 18 AWG stranded (7x26) bare copper, thermoplastic insulation, unshielded
Nominal DC resistance: data 17 ohms, power 6.2 ohms per 1000 ft
Insulation colors: data pair blue/white, power pair red/black
Nominal capacitance 12.5 pF/ft between conductors, 22.5 pF/ft conductor to shield
Short overall twist, PVC jacket .030 in thick with rip cord, nominal OD .255 in
NEC Type CMR
UL and cUL listed, meets 300V NEC requirements
Flame rating UL 1666
Applications: communication bus, low-voltage power, media control circuits
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