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  1. Replies
    8$$
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    226

    250.34 would exempt the generator from a GEC. ...

    250.34 would exempt the generator from a GEC.

    Since when is a utility trailer required to have a GEC?
  2. Make the best guess you can and move on. There is...

    Make the best guess you can and move on. There is no code section on predicting the future.

    If your best guess suggests you might be a little tight on bus capacity, maybe you up the bus size, just...
  3. Replies
    8$$
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    226

    IMO, neither required by code nor especially...

    IMO, neither required by code nor especially useful.
  4. Replies
    1$$
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    344

    My guess would be whatever you can work out with...

    My guess would be whatever you can work out with the guy footing the bill.

    I knew some salesmen that were on commission for a remodeling contractor that got 35%. Hit rate pretty low, but lots of...
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    2$$
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    231

    I thought it could if it is 1/0 or larger.

    I thought it could if it is 1/0 or larger.
  6. Replies
    6$$
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    280

    I would point out that there are specific...

    I would point out that there are specific requirements for the fan itself that have to be met to use the UL SCCR calculation method. You have to follow all the rules in UL508a to be able to use their...
  7. Replies
    6$$
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    280

    What does UL508a say about this? I don't have my...

    What does UL508a say about this? I don't have my copy available right this now but I think it is covered there.
  8. Replies
    2$$
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    244

    GFCIs will not provide any overcurrent protection...

    GFCIs will not provide any overcurrent protection for the wiring.

    Is it possible that appropriate overcurrent protection for the receptacles is supplied by whatever is feeding the aerial wiring?...
  9. Replies
    1$$
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    180

    Just because you are running wires through it...

    Just because you are running wires through it does not make it a raceway.

    Assuming nothing involves service conductors, I don't see any prohibition on running foreign conductors through a...
  10. Replies
    10$$
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    447

    You can probably manufacture your own lighting as...

    You can probably manufacture your own lighting as long as the lampholders themselves are listed.

    I doubt lampshades are listed.
  11. Replies
    5$$
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    388

    You do not have parallel CBs. You have parallel...

    You do not have parallel CBs. You have parallel gensets.

    There is no prohibition on this.

    You do have to have equipment to allow them to synch together before allowing them to be in parallel...
  12. Replies
    9$$
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    359

    i am having a hard time understanding your...

    i am having a hard time understanding your thinking on purged/pressurized equipment. Since the protected volume is not in a classified area, why would anything in 501 matter at all? Whatever is there...
  13. Replies
    9$$
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    359

    why would an IEC device not allow for a...

    why would an IEC device not allow for a recognized wiring method?

    purged/pressurized equipment effectively creates an unclassified volume where devices not otherwise suitable can be used. if you...
  14. Replies
    6$$
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    348

    most of it is probably std drawings. it is...

    most of it is probably std drawings. it is usually faster to have more pages of drawings than it is to have try and edit them down.
  15. Replies
    9$$
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    359

    I am curious just how you come to this conclusion.

    I am curious just how you come to this conclusion.
  16. Replies
    9$$
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    359

    you could under a very few conditions. if it...

    you could under a very few conditions.

    if it is dual rated for CID2.

    if it is in an IS circuit.

    if it was purged/pressurized.

    otherwise, probably not.
  17. Replies
    14$$
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    710

    is that actually true or is it electrician...

    is that actually true or is it electrician mythology?
  18. Replies
    14$$
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    710

    why would that be?

    why would that be?
  19. Replies
    8$$
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    664

    It might well be poor design. It might also...

    It might well be poor design. It might also present some kind of safety hazard.

    However, it is all but impossible to give you much in the way of solid advice about what you could do to fix it...
  20. It would have to be a huge solenoid to make any...

    It would have to be a huge solenoid to make any substantial difference.
  21. Replies
    8$$
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    664

    As far as I know, there is no code that requires...

    As far as I know, there is no code that requires what you want to do.

    The requirement (for the most part) is to remove the hazard(s). For instance, if there is a hazard presented by the situation...
  22. Replies
    14$$
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    710

    the load is immaterial. personally, i would be...

    the load is immaterial.

    personally, i would be inclined to put a type 1 SPD right at the service (or at least as close as I could get to it), and a type 2 SPD out at each A/C unit. I think I would...
  23. Replies
    15$$
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    641

    Modern VFDs provide overload protection already...

    Modern VFDs provide overload protection already so why would anyone need to add an external overload (multiple motor situations excepted)?
  24. it does seem like a VD problem. I doubt there is...

    it does seem like a VD problem. I doubt there is a really good answer to this problem while the boat is on shore power.
  25. Replies
    8$$
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    664

    Generic photoeyes are not safety components and...

    Generic photoeyes are not safety components and thus cannot be used for that purpose.

    I would want to look at the actual setup before I commented on it any further.

    In any case, you probably...
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