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Network Cable (CMP vs CMR)

Discussion in 'Off-Topic Discussion' started by jma, Dec 17, 2009.

  1. Dec 17, 2009 at 2:58 PM
    #1
    jma

    jma [OP] What, me worry?

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    I'm adding some extra phone/network connections in the spare bedrooms of my house. What is the difference between Cat5e CMP cable (Plenum, blue color) and CMR (Riser, brown color)? Is it just fire rating?

    These will be run through the hollow interior walls and my attic.
     
  2. Dec 17, 2009 at 3:33 PM
    #2
    LostRebel

    LostRebel Well-Known Member

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    The plenum cable is fire rated differently as it emits less smoke / toxic fumes when it burns. It's quite expensive compared to CMG or CMR cable, either of which are suitable for residential in-wall application. I would not waste my money on the CMP, but I would use it if someone gave me a spool.
     
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