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  1. #1
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Low-Voltage Protection

    Here is the picture. Nouse with rear entrance driveway with drive gate operator. Homowner plated a fast-growing tree near the opener so that the solar panel no longer charges the battery. He then installes a 12-volt charger on the interior wall of the garage; surface mounts the charger cord to the wall; surface mounts the charger wiring from the charger to the opener to the wall, then takes it below the garage doorjamb and direct buries it out to the opener.

    My contention is that, low-voltage or not it:

    (1) Should not be surface mounted to the garage wall.

    (2) Should not be direct buried where it will likely be damaged.

    Am I hallucinating? If not, or even if so, please quote the NEC to support your opinion.

    Thanks

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  2. #2
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Low-Voltage Protection

    OK, maybe it is not a day for words, so here are pictures:

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  3. #3
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Low-Voltage Protection

    Since the electricians appear to be out drinking with the weathermen, never mind. I answered it myself. NEC 300.5(A) and 300.5(D)(1).


  4. #4
    Join Date
    Mar 2007
    Location
    Ormond Beach, Florida
    Posts
    26,245

    Default Re: Low-Voltage Protection

    Aaron,

    Take a look through 720 also (it's a very short Article) and its referenced Article 480 (also a very short Article).

    By the way, "Nouse with ... Homowner plated ... "

    What to heck is a "nouse", and if the "homowner" (whatever that is) has "plating" facilities present there is also ARTICLE 669 Electroplating to deal with.

    In 720, there is this:
    - 720.4 Conductors.
    - - Conductors shall not be smaller than 12 AWG copper or equivalent. Conductors for appliance branch circuits supplying more than one appliance or appliance receptacle shall not be smaller than 10 AWG copper or equivalent.

    and

    - 720.9 Batteries.
    - - Installations of storage batteries shall comply with 480.1 through 480.4 and 480.8 through 480.10.

    Jerry Peck, Construction / Litigation Consultant
    Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
    www.AskCodeMan.com

  5. #5
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Low-Voltage Protection

    By the way, "Nouse with ... Homowner plated ... "

    What to heck is a "nouse", and if the "homowner" (whatever that is) has "plating" facilities present there is also ARTICLE 669 Electroplating to deal with.
    JP: That is multi-task speak.


  6. #6
    Join Date
    Feb 2009
    Location
    On The Mason-Dixon Line
    Posts
    577

    Default Re: Low-Voltage Protection

    Don't forget 720.11 Mechanical Execution of work ..
    Neat and workman like manner .....
    Cables shall be supported by the building structure in such a manner that the cable will not be damaged by normal building use.

    Those dangling cables could use a little support


  7. #7
    A.D. Miller's Avatar
    A.D. Miller Guest

    Default Re: Low-Voltage Protection

    JP and KH: Thanks for the comments.


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