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  1. Replies
    5$$
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    133

    I agree with your disagreement, and even expand...

    I agree with your disagreement, and even expand it to any scenario where a maximum OCPD rating is stipulated... :huh::blink:

    I should have elaborated.

    Now that we got that out of the way, does...
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    1$$
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    49

    Correction for ambient temperature applies only...

    Correction for ambient temperature applies only to the section subject to that ambient.
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    16$$
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    288

    That's likely the calculation route which will...

    That's likely the calculation route which will provide the most reduced demand load without any special consideration by the AHJ or add-on interlocking equipment.
  4. Replies
    37$$
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    450

    My "comment" underlined...

    My "comment" underlined...
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    7$$
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    219

    Yes.

    Yes.
  6. Replies
    7$$
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    219

    Outside taps can be of unlimited length providing...

    Outside taps can be of unlimited length providing all the conditions of 240.21(B)(5) are met.
  7. Replies
    5$$
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    133

    1. OCP is basically for protecting wiring, not...

    1. OCP is basically for protecting wiring, not the connected equipment. What you propose is compliant.

    2. GFPE is essentially the same operating principle as GFCI, but permits a higher disparity...
  8. Replies
    16$$
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    288

    Not suggesting fewer as preferred solution, but...

    Not suggesting fewer as preferred solution, but interlocking would absolutely kill the instant part for one that is interlocked out from concurrent use, too.

    As far as work goes, just build as...
  9. Replies
    16$$
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    288

    Seems the more prudent option would be installing...

    Seems the more prudent option would be installing fewer heaters and just piping their outputs to the common locations.
  10. Replies
    37$$
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    450

    A 250.68(C) revision is up for comment. I...

    A 250.68(C) revision is up for comment. I submitted one with a few choice words... :blink::lol:
  11. Replies
    37$$
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    450

    PS: If what you are saying is true, 250.68(C) is...

    PS: If what you are saying is true, 250.68(C) is in the wrong section. Should be moved under 250.64(F) and include wording to the effect of connections other than directly to qualifying...
  12. Replies
    37$$
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    450

    Not true. There is only one GEC per...

    Not true. There is only one GEC per electrical-end connection, but there can be multiple GEC's each with its own electrical end connection.

    For the most part, the term "grounding electrode...
  13. Replies
    37$$
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    450

    I understand what you are saying and I'm not...

    I understand what you are saying and I'm not against it if that is the true intent... but nothing in the wording of 250.68 or (C) thereunder says exactly what you are saying. For example, nothing...
  14. Replies
    37$$
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    450

    Are you certain we are reading the same 250.68......

    Are you certain we are reading the same 250.68... and (C) thereunder?


    Sure you can connect a grounding electrode conductor directly (i.e. from any location listed in 250.68 general statement) to...
  15. FWIW, my reply was specific to OP's (3) which...

    FWIW, my reply was specific to OP's (3) which even states "For either of these cases..."

    The section you pointed out essentially means there would have to be a section of bundled cables... and I...
  16. Replies
    34$$
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    609

    While 250.64(F)(1) and 250.68(C) are in separate...

    While 250.64(F)(1) and 250.68(C) are in separate sections, they are not separate requirements in the connection of grounding electrode conductors and bonding jumpers to electrodes.

    Look carefully...
  17. Replies
    37$$
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    450

    While 250.64(F)(1) and 250.68(C) are in separate...

    While 250.64(F)(1) and 250.68(C) are in separate sections, they are not separate requirements in the connection of grounding electrode conductors and bonding jumpers to electrodes.

    Look carefully...
  18. IMO, no derating required for DB in trench;...

    IMO, no derating required for DB in trench; derating required if run in conduit.
  19. 225.30(A)(5) Parallel power production...

    225.30(A)(5) Parallel power production systems...???
  20. Replies
    37$$
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    450

    250.68(C). There are only three locations...

    250.68(C).

    There are only three locations where a bonding jumper can connect.... and none of them are a ground rod.
  21. Replies
    34$$
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    609

    250.68(C). There are only three locations...

    250.68(C).

    There are only three locations where a bonding jumper can connect.... and none of them are a ground rod.
  22. Google "EB-20 pvc conduit".

    Google "EB-20 pvc conduit".
  23. Replies
    11$$
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    337

    I believe the rationale is that during a...

    I believe the rationale is that during a one-line-to-ground fault(s), which does not trip any OCPD, the voltage to ground is the nominal line-to-line voltage.
  24. Because it may not, for one. In general, to...

    Because it may not, for one.

    In general, to ascertain performance, longevity, ....
  25. Replies
    11$$
    Views
    337

    1) 3ft 2) 4ft 3) 4ft 4) ???

    1) 3ft
    2) 4ft
    3) 4ft
    4) ???
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