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Type: Posts; User: petersonra

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  1. Replies
    6$$
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    90

    good luck. let us know what you find.

    good luck. let us know what you find.
  2. Replies
    7$$
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    144

    If it is not a type found in chapter three it...

    If it is not a type found in chapter three it can't use.

    If it is for overseas there are codes and standards that would apply.
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    7$$
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    144

    Are you using this for a US building? If so, I...

    Are you using this for a US building? If so, I think you would need to go to the next size down in the charts and use that, IF the wire insulation type was found in chapter 3.

    1.5 mm^2 is a little...
  4. you are going through multiple relatively small...

    you are going through multiple relatively small transformers and end up with more IE?

    if this is the case, have an engineer familiar with such things take a look at where you might be able to put...
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    7$$
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    174

    a lot depends on what it is for. an estop located...

    a lot depends on what it is for. an estop located in a busy aisle way that is supposed to shutdown an adjacent conveyor is a different situation than one on a machine of some sort.

    in any case, a...
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    4$$
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    181

    I kind of prefer crimped lugs. I think they are...

    I kind of prefer crimped lugs. I think they are more secure.

    However, I often have to supply lugs for field wiring. It is hard to tell what size wire will be used, or even whether it will be...
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    7$$
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    174

    It is a pretty common thing to do. Keeps the...

    It is a pretty common thing to do. Keeps the estop from being tripped unintentionally.
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    8$$
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    294

    how can they "require" something that is not...

    how can they "require" something that is not required by the code unless there is some local amendment?
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    2$$
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    124

    are you saying this piece of conduit starts in an...

    are you saying this piece of conduit starts in an unclassified area, goes through a classified area and then ends up in an unclassified area?

    take a close look at 501.15 (B)(2).

    I think you...
  10. Replies
    8$$
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    294

    why anyone care?

    why anyone care?
  11. Replies
    28$$
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    571

    luminaires are required to be listed. log...

    luminaires are required to be listed. log splitters converted into weld test machines are not.

    in any case, the old microphone stand is a support for a luminaire, not the luminaire.
  12. Replies
    28$$
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    571

    The inspector is giving you legal advice now? Is...

    The inspector is giving you legal advice now? Is he also a lawyer?

    read carefully what 90.7 actually says. It starts out with



    In other words, only those items of equipment and materials...
  13. Replies
    28$$
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    571

    As other people are trying to tell you there are...

    As other people are trying to tell you there are all kinds of things that have wires and electricity associated with them that are just not available with a listing. And there is generally no code...
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    18$$
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    396

    I often wonder what people are thinking when they...

    I often wonder what people are thinking when they ask a question like this. I am convinced that someone must have told them a long time ago that there had to be a ground bar that they attach the EGC...
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    2$$
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    115

    Interesting. I don't think UL508a requires...

    Interesting. I don't think UL508a requires capacitors to have a SCCR.
  16. Replies
    31$$
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    797

    I don't know what you actually mean by either...

    I don't know what you actually mean by either "ultimately" or "responsibility".

    The owner is always on the hook no matter who pulls the permit so ultimately it becomes his problem even if he...
  17. Replies
    14$$
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    369

    I think it unlikely. Siemens motors sold in the...

    I think it unlikely. Siemens motors sold in the US generally have dual NEMA and IEC ratings. If they have a nameplate that mentions HP, it is a good bet they have a NEMA rating as well as their IEC...
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    19$$
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    516

    what would you call them? they are not GEC and...

    what would you call them? they are not GEC and they connect metal things together.
  19. Replies
    21$$
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    1,296

    Somewhere I have a picture of a stop light pole...

    Somewhere I have a picture of a stop light pole that was duct taped to another pole. It stayed that way for several months before they got around to fixing it right.
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    19$$
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    487

    just a guess. one UPS was on L1-N and the...

    just a guess.

    one UPS was on L1-N and the other UPS was on L2-N.

    one of the phases tripped locally for some reason and reset after 30 seconds.
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    23$$
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    795

    That would appear to be the case. A pretty...

    That would appear to be the case.

    A pretty good argument can be made that it could not be made with cord though.

    It is unclear to me just how one could legally connect up a pressure washer...
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    3$$
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    155

    however, there appears to be a definition of...

    however, there appears to be a definition of "location, wet". :)
  23. Replies
    19$$
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    516

    it is a common practice to have external EGCs in...

    it is a common practice to have external EGCs in addition to the code required ones. it serves no real purpose, but it is not prohibited by the code. think about all the skids in plants that have a...
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    3$$
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    155

    One might think there would be, but a search of...

    One might think there would be, but a search of the 2011 PDF of the code does not find one.
  25. Replies
    19$$
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    516

    if the pipe is a listed metal raceway, it...

    if the pipe is a listed metal raceway, it qualifies as an equipment grounding conductor. it can't be used as a grounding electrode conductor though.
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