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  1. Replies
    31$$
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    807

    Why not land the first conductor to the bar then...

    Why not land the first conductor to the bar then use a split bolt the second wire to the first ? quick fix?
  2. You shouldn't be connecting a UPS to a circuit or...

    You shouldn't be connecting a UPS to a circuit or feeder that is of a higher amp rating then the UPS is rated for, 240.21 is about taps from a larger feeder to a smaller feeder with the requirement...
  3. Replies
    88$$
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    2,372

    Very common in auto industry, but I have also...

    Very common in auto industry, but I have also seen them in many appliances, we called them inline taps, if you have ever used hot taps which is kind of a split bolt with teeth inside but insulated on...
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    26$$
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    670

    No he's just never discovered text pic's: ...

    No he's just never discovered text pic's:

    http://yalsa.ala.org/blog/wp-content/uploads/2011/04/photo-1-200x300.png

    How it was done in the old days LOL

    [~]D how bout a cup of coffee;) from my...
  5. Replies
    26$$
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    670

    Nope post #1 states it is a 15 amp circuit.

    Nope post #1 states it is a 15 amp circuit.
  6. Replies
    26$$
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    670

    You might be surprised that copper has one of the...

    You might be surprised that copper has one of the highest thermo-conductivities of most all metals, a loose connection at the screw or back stab can very easily cause this kind of damage long before...
  7. Replies
    88$$
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    2,372

    Yes it has but the truth of that matter is that...

    Yes it has but the truth of that matter is that all 15 and 20 amp receptacles are UL listed for 20 amps pass through and as long as two or more receptacles are on a circuit the code allows a 15 amp...
  8. Replies
    88$$
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    2,372

    Only if it is adopted into law, is a local AHJ...

    Only if it is adopted into law, is a local AHJ able to enforce his wish? Some states that have state wide codes do not allow a local inspector adopt his own codes as Indiana is one such state,...
  9. Replies
    24$$
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    543

    As was said A HOA is not a safety disconnect and...

    As was said A HOA is not a safety disconnect and can not be used as one since a VFD can start a motor even if the HOA is in the off position if a malfunction occurs, the only legal disconnect at the...
  10. Just make sure what you put on the new 208...

    Just make sure what you put on the new 208 voltage will handle it, the air handlers will pull a little bit more current if they are 230 volt rated motors, but for the most part they should run fine...
  11. Whoops, I just saw the motor plate in the OP and...

    Whoops, I just saw the motor plate in the OP and your right it does say the motor was a 200 volt rated motor, which would have been perfect for a 208 supply???? wonder why they had it on a 240 volt...
  12. The OP said he had a 240 volt service so I would...

    The OP said he had a 240 volt service so I would expect that the original motor was a 230 volt rated motor, but they installed a 480/208-120 volt transformer and tried to run it on 208 which like I...
  13. If the old service was a 240v delta and this...

    If the old service was a 240v delta and this existing compressor had a 230 volt rated motor it most likely would not last long on 208 volts as an air compressor is a high torque application and the...
  14. Yep wonder how many crimes would be brought to...

    Yep wonder how many crimes would be brought to trial if we allowed the criminals do the investigating work:happysad:

    Not saying that the high school electricians did the work, but I would believe...
  15. Thread: 210.12(A)(3)

    by hurk27
    Replies
    30$$
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    729

    75 amps???, have you ever caculated the availble...

    75 amps???, have you ever caculated the availble current on a long run of a 15 amp circuit, lets say 100' run to the other side of the house which is not unheard of on a moderate sized house?

    This...
  16. Replies
    17$$
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    711

    The Light-Lock light controller physically looks...

    The Light-Lock light controller physically looks very similar to the common twist-loc photo cell used on most street lights and many dusk till dawn fixtures, it has the same twist-loc prongs out the...
  17. Replies
    17$$
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    711

    I just saw that the table of contents does not...

    I just saw that the table of contents does not have the correct pages for the sections listed:

    Section I (Specifications) is correct and is located on page 1 right after the introduction and the...
  18. Replies
    17$$
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    711

    On page 1 in the PDF it states: On page 2 in...

    On page 1 in the PDF it states:


    On page 2 in the PDF you state :38 seconds is the optimal time or TTFF, on page 5 it repeats the site testing but changes the optimal TTFF to 1:30? is this a type...
  19. Thread: 210.12(A)(3)

    by hurk27
    Replies
    30$$
    Views
    729

    To me this is like installing a red light at an...

    To me this is like installing a red light at an intersection that the electronics to make the red light change has not been developed yet, an extra cost for the tax payers with no visible safety to...
  20. Replies
    32$$
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    1,401

    Just wait, the way things are going it wont be...

    Just wait, the way things are going it wont be long before we have to mark them also, wouldn't want someone to mistake a black insulated wire connected to a rod stuck in the Earth and exposed from...
  21. Replies
    32$$
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    1,401

    Lightning is a high frequency high energy event,...

    Lightning is a high frequency high energy event, when you run a conductor through a ferrous metal race way it becomes a short circuit to high frequency AC current and can cause extremely high...
  22. Thread: My Apologies

    by hurk27
    Replies
    43$$
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    1,854

    I CAN YELL IF I WANT TOO JK:p I do I fail at...

    I CAN YELL IF I WANT TOO JK:p

    I do I fail at this one, My anykey is broke

    I bumped my head and now I can't think of any questions to ask, Who am me?

    Bumped head, Foster<<< it not my first...
  23. Welcome to Mike Holt's NEC forum. Being that...

    Welcome to Mike Holt's NEC forum.

    Being that this is for MV circuits, I believe that the NEC is allowing the last portion (3M's or 10') of the circuit to be allowed to use the calculated ampacity...
  24. Replies
    19$$
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    1,123

    In the other thread you mentioned that you have a...

    In the other thread you mentioned that you have a 480/277 volt WYE service to a 480/208-120 volt WYE, you just described this transformer as a WYE but didn't indicate if the primary is also a WYE? if...
  25. Replies
    14$$
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    767

    Yep like I posted in post 7 What I don't see...

    Yep like I posted in post 7

    What I don't see is any overload protection that is in-line with the supply lines, I don't think that the thermo protection can be treated as an overload, and they even...
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