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Thread: When the plans show....

  1. #11
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    Quote Originally Posted by Gary11734 View Post
    Well, one is going to have to give by three feet!
    yes Gary

    But that's all about convincing an archy ,some of which aren't very 'flexible'

    ~RJ~

  2. #12
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    Bond the grid to the box.
    Did a hospital remodel when the "cloud" and angled ceilings rage started, the Arch. had a tapered ceiling that at about half way would require us to core the floor above to fit the fixtures. In the meeting just couldn't make them understand so just waited for the Carps to put up the grid and hung a couple fixtures below the grid tight to the upper deck, they got he idea then.

  3. #13
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    Quote Originally Posted by romex jockey View Post
    yes Gary

    But that's all about convincing an archy ,some of which aren't very 'flexible'

    ~RJ~
    The code will rule here. You need to be at least three feet between a smoke detector and an AC vent if I remember correctly.

  4. #14
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    Quote Originally Posted by 480sparky View Post
    .... the light goes in the middle of the room........

    .... and a main tee runs right down the middle..........

    Attachment 22022

    Attachment 22023


    No way you should have voltage in this. Does somebody get killed because you lit the grid up? This is a no-no...

    The idea is fantastic. But, the chances of the grid going live, and this is not an approved method is putting you in some big liability issues, IMHO. This box is already tight, so you have space issues with the wiring and scotch locks. Ok, someone will say, bond the grid. And how do we do that as an approved means? And Gavin Industries with their box clearly states this is a low voltage installation. They know they could never get this approved for voltages above 50.

  5. #15
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    Quote Originally Posted by Gary11734 View Post
    No way you should have voltage in this. Does somebody get killed because you lit the grid up? This is a no-no... ...
    How is the grid not already bonded to the same structure that the box is anyway?

  6. #16
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    Quote Originally Posted by MAC702 View Post
    How is the grid not already bonded to the same structure that the box is anyway?
    A drop ceiling is floating in the breeze. No way it would be considered bonded if something like a hot wire touches and attempts to trip a breaker. I would think it could become hot and no ones know it until someone touches it and a better grounding source.

  7. #17
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    Quote Originally Posted by Gary11734 View Post
    No way you should have voltage in this. Does somebody get killed because you lit the grid up? This is a no-no...

    The idea is fantastic. But, the chances of the grid going live, and this is not an approved method is putting you in some big liability issues, IMHO. This box is already tight, so you have space issues with the wiring and scotch locks. Ok, someone will say, bond the grid. And how do we do that as an approved means? And Gavin Industries with their box clearly states this is a low voltage installation. They know they could never get this approved for voltages above 50.
    where did you see that it was for low voltage uses? I just seen on there site it was for light fixtures,fans,etc

  8. #18
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    Quote Originally Posted by mopowr steve View Post
    where did you see that it was for low voltage uses? I just seen on there site it was for light fixtures,fans,etc

    When you go to the site URL that's posted, click on the video on the same page and listen to what he is saying as he installs it. It's around the .50 second mark. The guy clearly states it's for Fire alarm and Cameras. I went there looking for this. No way the drop ceiling could ever be bonded in a way that if there was a fault in this box could it be relied on to trip the breaker. At least the drop ceilings I have dealt with.

    Please post where Galvin is saying it's for lighting, fans.

    Thanks,

    Gary

  9. #19
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    Quote Originally Posted by Gary11734 View Post
    ...The guy clearly states it's for Fire alarm and Cameras....
    No, he doesn't. Don't paraphrase. He says it's not recommended for high voltage, and is usually for security and fire alarm. Significant difference that doesn't yet say not to do it.

    That said, your point is valid and I could see it being an issue, but perhaps if one DOES have a bonded grid, it would be permissible.

    Interestingly, one of the reviews that they have posted on that page is from someone that used it for track lighting.

  10. #20
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    Quote Originally Posted by MAC702 View Post
    No, he doesn't. Don't paraphrase. He says it's not recommended for high voltage, and is usually for security and fire alarm. Significant difference that doesn't yet say not to do it.

    That said, your point is valid and I could see it being an issue, but perhaps if one DOES have a bonded grid, it would be permissible.

    Interestingly, one of the reviews that they have posted on that page is from someone that used it for track lighting.
    OK, I will let this dog lie... It's noted where I stand on this installation.

    Gary

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