The West Penn D25510 doubles up on noise protection: each of its two pairs is foil shielded, and an overall shield wraps the lot, with one 24 AWG drain common to all shields for low resistance grounding.
Two 22 AWG stranded (7x30) tinned copper pairs, black/red and white/green
Teflon (FEP) insulation, twisted pair construction
Individually shielded pairs plus an overall shield
West Penn 25510B keeps two 22 AWG audio or control circuits apart with an individual foil shield on each pair, all in a plenum-rated jacket for runs above drop ceilings.Two twisted pairs of 22 AWG...
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...
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...
West Penn 25291B is a two-conductor 22 AWG stranded shielded cable built for the air-handling space above drop ceilings, where code calls for plenum-rated cable. It is a sound choice for intercom...
Running cable through a return-air plenum? West Penn 253271B is a 8-conductor 22 AWG stranded shielded cable with a low-smoke flexible plenum jacket that meets that requirement. It is a sound choice...
West Penn 253241B is a 4-conductor 22 AWG stranded shielded cable built for the air-handling space above drop ceilings, where code calls for plenum-rated cable. It is a sound choice for intercom...
