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    35$$
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    Note the heading on 334.12 Uses NOT permitted

    Note the heading on 334.12 Uses NOT permitted
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    35$$
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    All takes me back to post #4 and trying to...

    All takes me back to post #4 and trying to visualize a compliant install.
    392.6(H) requires the tray be accessible, 334 prevents SE from being used above a drop or suspended ceiling so what's left.
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    35$$
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    I have to agree with that. Seems pretty cut &...

    I have to agree with that. Seems pretty cut & dry...
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    35$$
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    don, I'm trying to picture a compliant way this...

    don, I'm trying to picture a compliant way this method could be used in a multifamily structure.
    If would seem if the SE was in an exposed tray or above a drop or suspended ceiling it would be a...
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    35$$
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    IMO, 392.10 would allow the SE and no extra...

    IMO, 392.10 would allow the SE and no extra listing or marking would be required, however, 338.10(4)(a) required the SE to follow the rules for Art 334. Will 334.12(A) cause you a problem ?
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    The neutral must be capable of carrying the load...

    The neutral must be capable of carrying the load as calculated by 220.61, must meet 250.24(C) if it's a part of a service and 215.2 if its part of a feeder.
    No overcurrent device is allowed with the...
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    This may open a whole can of worms but I think an...

    This may open a whole can of worms but I think an argument can be made, based on 250.148 that all the equipment grounds {excluding those allowed under 250.146(D)} would need to be connected together....
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    7$$
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    P&S:...

    P&S:
    http://www.legrand.us/passandseymour/gfci/self-test/plugtail/nafta-compliant/spec-grade/20a/pt2097naw.aspx
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    I can only speak for myself but if you gave me a...

    I can only speak for myself but if you gave me a load calculation of ≈21000 at 208v I would not accept a 100 amp panel. 100 amp would not suffice for 21000 or any higher number and ( ≈ ) certainly...
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    \ The only time I have seen this done in...

    \


    The only time I have seen this done in order to gain an "advantage" was as a method to reduce fault current. I have inspected a few jobs with very high ampere services and high available...
  11. Thread: Transformer

    by augie47
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    Will this be part of a listed assembly or...

    Will this be part of a listed assembly or something your are filed assembling ?
  12. Thread: Motor Sizing

    by augie47
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    7$$
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    You are correct about the control circuit. I have...

    You are correct about the control circuit. I have always protected circuits that were outside of the enclosure and misread the Article to suit myself :)
  13. Thread: Motor Sizing

    by augie47
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    7$$
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    It all looks good to me except the control wire...

    It all looks good to me except the control wire portion. The way I read 430.72, you would need to protect the control wire at its ampacity since it leaves the controller.
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    To me, that is the "key". Base your conductor...

    To me, that is the "key". Base your conductor and breaker size on Art 430.
    (Be prepared to explain the calculations :) )
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    7$$
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    (some related posts were moved to their own...

    (some related posts were moved to their own thread "Elevator Service")
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    6$$
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    If I understand correctly. this is a non-utility,...

    If I understand correctly. this is a non-utility, non-service transformer and simply a Separately Derived System with primary and secondary connected to the building.
    The NEC has played with this...
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    This is just one of many products available for...

    This is just one of many products available for water bonding:
    http://www.bondsafe680.com/inground.html
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    5$$
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    The equipotential bond is present to perform the...

    The equipotential bond is present to perform the task associated with it's name. It is not a "grounding" means even though it becomes grounded thru bonded equipment. There is no reason to connect...
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    7$$
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    I agree with Petersonra By Code, you should...

    I agree with Petersonra

    By Code, you should not be able to do what you are doing now with the 30HP much less 40s.

    As always, the devil is in the details. The type motor, how they are loaded...
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    good point. I overlooked that fact.

    good point. I overlooked that fact.
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    Center of the operating handle must not exceed...

    Center of the operating handle must not exceed 6'7" above the floor or work platform.
    As always, there are exceptions
    NEC 404.8
  22. Thread: Multi motor

    by augie47
    Replies
    14$$
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    Certainly possible under "A", but the few times I...

    Certainly possible under "A", but the few times I have encountered this, (A)(2) was a problem but in those cases they were using individual controllers which were marked for a lower SCGF protection....
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    The supervisor is most likely correct. Never...

    The supervisor is most likely correct. Never know when those UL police will be hiding out in the facility :)
  24. Thread: Multi motor

    by augie47
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    14$$
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    You may very well be correct, but I can't find...

    You may very well be correct, but I can't find that allowance.
  25. Thread: Multi motor

    by augie47
    Replies
    14$$
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    '99 Code is earliest I have on hand at the moment...

    '99 Code is earliest I have on hand at the moment and it would not have been allowed then either (430.52, 53)



    IMO, you have a different scenario with fuses as 15 amps is not the smallest...
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