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  1. Replies
    131$$
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    2,303

    I agree that it is a good practice, but I don't...

    I agree that it is a good practice, but I don't think it is the norm for most installations done in the US. I know for sure it is not the norm around my area.
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    41$$
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    947

    You don't have to provide AFCI protection for the...

    You don't have to provide AFCI protection for the bedroom circuit where you are replacing a broken receptacle, but if you don't, you have to install an outlet type AFCI receptacle.


    The problem...
  3. Replies
    131$$
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    2,303

    Not required by the NEC...it is a shall be...

    Not required by the NEC...it is a shall be permitted "exception" to providing GFCI protection.
  4. Replies
    131$$
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    2,303

    And none of them apply to general wiring, which...

    And none of them apply to general wiring, which this thread is talking about.
  5. Replies
    131$$
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    2,303

    There are very limited actual requirements in the...

    There are very limited actual requirements in the NEC for performance testing.

    There is no requirement to have an assured EGC program in the NEC.

    Informational notes are just...
  6. Replies
    131$$
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    2,303

    Not sure you can really say that about the CEC,...

    Not sure you can really say that about the CEC, as there is an intent between CSA and NFPA to bring those codes much closer together. The change in a few of the values in the NEC ampacity tables a...
  7. It sounds like it is underground. If it is...

    It sounds like it is underground.

    If it is overhead I would look at cable bus long before I would look at bus duct for an outside installation.

    I have seen too many connection failures...
  8. Replies
    7$$
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    130

    Way too late for a PI (public input, previously...

    Way too late for a PI (public input, previously knows as a proposal) for the 2017 NEC.

    The "first draft" (previously known as the ROP) for the 2017 NEC is out for public comment now.
  9. Replies
    131$$
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    2,303

    Probably because our load calculations and wire...

    Probably because our load calculations and wire ampacities are so conservative that we don't have to de-rate as much.
  10. Replies
    6$$
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    348

    Exactly ...the plant I often work in has a no...

    Exactly ...the plant I often work in has a no electronic device policy, other plants, even where electronic devices are permitted, have no signal.
  11. Replies
    32$$
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    870

    Show me it was caused by harmonics...I have never...

    Show me it was caused by harmonics...I have never seen one that was documented showing harmonics as the cause.
  12. Yes, that is important as our utility requires a...

    Yes, that is important as our utility requires a GEC to be landed in the meter can.
  13. Replies
    5$$
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    302

    What are you using to make sure the generators...

    What are you using to make sure the generators are in sync so you can close the breakers and operate them in parallel?
  14. Replies
    32$$
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    1,080

    You have to comply with all three parts of that...

    You have to comply with all three parts of that section, that is 240.92(C)(1), (2) & (3). 240.99(C)(1)(1) requires that the short circuit and ground fault protective device be within 100' from the...
  15. Replies
    6$$
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    348

    It would be fine as an addition to the existing...

    It would be fine as an addition to the existing labeling requirements, it would not be acceptable to me as a replacement. I want to be able to read the information without having to have some...
  16. Replies
    27$$
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    686

    I have never seen a master meter with sub-meters...

    I have never seen a master meter with sub-meters around here.
  17. Replies
    32$$
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    870

    Can anyone show me a documented case of neutral...

    Can anyone show me a documented case of neutral conductor overheating from non-linear loads in someplace other than a data center?

    This is a case where almost all of the published information on...
  18. Under the 2014 code, yes. Under previous codes,...

    Under the 2014 code, yes. Under previous codes, probably not. The previous codes required that the second building disconnect be suitable for use as service equipment. The listing for many load...
  19. The garage panel will need a main breaker or some...

    The garage panel will need a main breaker or some other means of disconnect as required by 225.31 and 225.32.
  20. Replies
    27$$
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    686

    The code does not require a single main...

    The code does not require a single main disconnect for those applications. Sure it is often done that way and often the AHJ requires it to be done that way, but the code permits each set of service...
  21. Replies
    8$$
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    366

    While not a service, the conductors on the load...

    While not a service, the conductors on the load side of each meter are service entrance conductors, and each set of service entrance conductors is permitted to have six means of disconnect. 230.71(A)...
  22. Replies
    27$$
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    686

    The commentary in the handbook is not an official...

    The commentary in the handbook is not an official interpretation of the code, it is just the authors opinion and there is no reason that the AHJ needs to accept it.

    In your example, if there were...
  23. Replies
    27$$
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    1,321

    And that is the issue. The code requires...

    And that is the issue. The code requires "transfer equipment" and these devices are not listed as transfer equipment.

    I don't see an issue with their use as they provide the required functions...
  24. Replies
    1$$
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    176

    Physical protection.

    Physical protection.
  25. The sold "worm getters" when I was a kid. They...

    The sold "worm getters" when I was a kid. They were L shaped metal rods with wood handles and the short end of each rod connected to one wire of a two wire cord. You put the rods in the ground a...
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