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Type: Posts; User: Smart $

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  1. Replies
    11$$
    Views
    417

    You can't... at least not in native format. The...

    You can't... at least not in native format. The only method I've found that works is to embed it in a MS Word .doc.

    Alternatively, upload to a storage site and provide a link. Having a Google...
  2. Replies
    9$$
    Views
    75

    Only the LED turns off, not the receptacle. A...

    Only the LED turns off, not the receptacle.

    A substantial surge will destroy or degrade its protection ability, as with most SPD's.

    I have 3 of the 5380 model protecting my home theater system.
  3. Thread: Branch ciir

    by Smart $
    Replies
    15$$
    Views
    416

    Reconsider your method. In panel changes, you...

    Reconsider your method.

    In panel changes, you should never upsize the breaker rating on a circuit unless you have done a comprehensive circuit analysis. In most cases, you will likely not be...
  4. Its a non-flexible metallic raceway, but the T in...

    Its a non-flexible metallic raceway, but the T in EMT stands for 'tubing'. Must have 'conduit' in its technical name to be Code-recognized conduit.
  5. Replies
    29$$
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    668

    Revised my proposal, again. Hopefully this will...

    Revised my proposal, again. Hopefully this will be the last revision to this one... :blink:
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    4$$
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    177

    Another issue is grouping of service...

    Another issue is grouping of service disconnecting means...
  7. Replies
    4$$
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    177

    If you have no 'real estate' to hang another...

    If you have no 'real estate' to hang another meter pack, how do you plan to set a meter main.

    Is the distribution box on the service or load side of the existing meter pack?
  8. Replies
    29$$
    Views
    668

    Understand now. Have you considered putting...

    Understand now.

    Have you considered putting the gutter top at 8' and running extra stub ups through mezzanine-floor elevation? ...or simply putting two gutters in, one as just mentioned and the...
  9. Replies
    13$$
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    367

    Still wouldn't correlate with A left, B right, at...

    Still wouldn't correlate with A left, B right, at least not phasing. The fingers from outside buses extend across to cover both left and right spaces.

    And what about listing if there is a...
  10. Replies
    29$$
    Views
    668

    Decided to change the Exception wording: ...

    Decided to change the Exception wording:

    Exception: Any portion with a length not exceeding 3.0 m (10 ft) or 10 percent of consecutive adjacent portions length with higher ampacity, whichever is...
  11. Replies
    13$$
    Views
    367

    Perhaps, but that wouldn't correlate with A left,...

    Perhaps, but that wouldn't correlate with A left, B right.
  12. Replies
    11$$
    Views
    319

    I don't think my copy is the full edition, as it...

    I don't think my copy is the full edition, as it just covers premium motors and not motors and generators.

    FWIW, here's a link to the 2009 edition, 671 pages...
    ...
  13. Replies
    29$$
    Views
    668

    Submitted... Comments...?

    Submitted...



    Comments...?
  14. Replies
    11$$
    Views
    319

    I have what I believe is a copy of MG 1-2007......

    I have what I believe is a copy of MG 1-2007... but there is no 12.54. It's only 6 pages of content (12 actual), 8 sections plus Annex A—which is Table 12-12.
  15. Replies
    2$$
    Views
    179

    That doesn't appear to be a violation. You can...

    That doesn't appear to be a violation. You can still access the tray, though slightly more difficult than if the pipes weren't there.
  16. Replies
    29$$
    Views
    668

    Not getting a good mental picture of your...

    Not getting a good mental picture of your situation...

    Ceiling construction (materials, framing, etc.)? How does 2' put you in joist area, yet 4'+ puts you above it?
  17. Replies
    29$$
    Views
    668

    To be more explicit, the higher-ampacity portion...

    To be more explicit, the higher-ampacity portion adjacent to the 4' in the nipple must be 40' in length. This is typically stated as the run must be 44' in length... but technically it is the...
  18. Replies
    9$$
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    258

    Welcome... :thumbsup:

    Welcome... :thumbsup:
  19. Replies
    29$$
    Views
    668

    Doesn't look to bad if the top of the 'gutter' is...

    Doesn't look to bad if the top of the 'gutter' is right at ceiling height for suspended ceilings either... giving a little extra distance.
  20. Replies
    29$$
    Views
    668

    I was aware of that but brought up 2' because...

    I was aware of that but brought up 2' because many just say 4' to be certain the 'gutter' will be above the ceiling. With 2' being the cutoff, where (A)(2) exception does not apply, sometimes...
  21. Replies
    29$$
    Views
    668

    Actually the runs would have to be at least 44'...

    Actually the runs would have to be at least 44' long. The adjacent portion at the higher ampacity must be 40' long, so the 4' is not more than 10%.
  22. Replies
    29$$
    Views
    668

    Decrease the nipple/run length to 2' and no...

    Decrease the nipple/run length to 2' and no derating for number of conductors required.
  23. Replies
    13$$
    Views
    428

    Actually, it's easy to guess... ...

    Actually, it's easy to guess...







    ...difficult to be accurate!
  24. Thread: Transformers

    by Smart $
    Replies
    7$$
    Views
    244

    He's referring to primary only transformer...

    He's referring to primary only transformer protection. I'm referring to primary and secondary transformer protection.
  25. Thread: Transformers

    by Smart $
    Replies
    7$$
    Views
    244

    Can even go as high as 300A primary ocpd... as...

    Can even go as high as 300A primary ocpd... as long as you don't exceed 400A secondary ocpd total
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