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Thread: Wiring type: CL2 or direct burial?

  1. #1
    Join Date
    Dec 2020
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    Default Wiring type: CL2 or direct burial?

    I was looking at Monoprice speaker wiring today, and see they have two lines: "Access" (which is in wall CL2 rated), and "Origin" (which is rated for direct burial but is NOT CL2 rated). I will be running power through flower beds, in the yard, and also around my house for roofline, which will involve tucking wiring into jchannel, soffit corners, etc...

    I found this on a monoprice support site on CL2 rating:

    "A CL2 rating meaning that a cable has passed the required NEC test for a high rating of fire resistance. The cable's materials are not going to burn during a sudden surge of electricity up to 150 watts and the cable itself will not carry a flame."

    Does anyone have any input as to which of these wiring types is more suitable, or safer to use?

    Thanks,
    - pc

  2. #2
    Join Date
    Mar 2010
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    Mentor, OH
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    Default Re: Wiring type: CL2 or direct burial?

    If you plan on installing this outdoors, and underground use the cable which is rated and identified direct burial.
    It can also be installed above ground. Usually This type of cable provides UV resistance to sunlight.
    Keep in mind this can not be used for “mains power” or line voltage only for power-limited-circuits.
    Chuck P
    nothing to show

  3. #3
    Join Date
    Jan 2012
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    Chambersburg, PA
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    Default Re: Wiring type: CL2 or direct burial?

    I have been using the Monoprice CL rated speaker wire for several years now and have had no issues with it. I typically put it out in early Nov and bring it in by mid-Jan. My cables show no sign of degradation of the outer covering.
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