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  1. Even in that case, Gus' statement is correct. ...

    Even in that case, Gus' statement is correct. POCO decides where the service point will be, and customer decides to agree with their decision so they can get power... :p

    Anyway, you cannot...
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    Um, I don't think that'll qualify... A single...

    Um, I don't think that'll qualify...

    A single or multiple duplex receptacles in one box only counts as one receptacle outlet.
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    The HDPE definitely does not need bonded......

    The HDPE definitely does not need bonded... there'd be no [real] purpose.

    Can't tell from the picture... are the metal conduits just sleeves for the concrete penetration, or do they run to the...
  4. Thread: Good Old Daze

    by Smart $
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    12$$
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    The conductors connected to the bus are likely...

    The conductors connected to the bus are likely tap conductors for whatever loads they supply... and the fuses are sized for the conductor and/or loads.

    Don't know when the gear was installed, but...
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    I submitted a proposal to remove all the 125%...

    I submitted a proposal to remove all the 125% factoring in the footnote.
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    General Lighting is listed under Continuous Loads...

    General Lighting is listed under Continuous Loads in Example D3. The value in the Calculated Load section is simply 3000 ft² × 3 VA/ft².... 9,000 VA.

    The footnote* explains that this value at...
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    Appears to be correct, as far as the author's...

    Appears to be correct, as far as the author's premise...

    However, there is technically no continuous load demand factor for Article 220 calculations.

    And to top that off, there's a good chance...
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    Not that it gets you a whole lot closer to the...

    Not that it gets you a whole lot closer to the "answer", but demand over 10kVA on receptacles is 50%... not 40%
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    Both good points and likely they be... ;)

    Both good points and likely they be... ;)
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    The wire jumper has to connect the grounded...

    The wire jumper has to connect the grounded conductor to the EGB (i.e. busbar). The installation as pictured is non-compliant.
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    If the load is balanced, yes.

    If the load is balanced, yes.
  12. Thread: Good Old Daze

    by Smart $
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    12$$
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    There are fuses below the rear side bus bars...

    There are fuses below the rear side bus bars (second thumbnail from left; links to full-size picture).
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    No place for pad mount has nothing to do with it....

    No place for pad mount has nothing to do with it. I do realize consumers are stuck with whatever the utility says they will make available, but seems strange they will not supply 208/120V 3Ø 4W.
    ...
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    If I understand your description correctly, the...

    If I understand your description correctly, the SBJ must be properly-sized wire or bus to connect the GEC to the EG in same enclosure as SBJ. If not, the GEC must connect to the grounded conductor at...
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    Ditto... GEC and SBJ connections are required to...

    Ditto... GEC and SBJ connections are required to be in the same enclosure... but exception permits connecting GEC to grounding bus rather than neutral.
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    Another thing to watch for is manufacturer's that...

    Another thing to watch for is manufacturer's that publish both an inverter output rating and a different, higher maximum output current. You use the inverter output rating.
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    Yeah, but they usually keep track of several such...

    Yeah, but they usually keep track of several such open deltas on their primary and rotate the phases to balance their primary.
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    How can you tell there's too much load??? ...

    How can you tell there's too much load???

    Summed multiple service OCPD ratings are permitted to exceed the ampacity of service entrance conductors.
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    I had the +10% right, but NEMA uses 115V as...

    I had the +10% right, but NEMA uses 115V as nominal.
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    Depends on the equipment. In general, it should...

    Depends on the equipment. In general, it should be able to tolerate +10%.
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    As a side note, we recently had a discussion on...

    As a side note, we recently had a discussion on NEC Vd recommendations for feeders. One of the items noted is that it does not limit feeders to 2%. Many interpret the recommended limit of 5% total...
  22. Thread: Cable tray

    by Smart $
    Replies
    5$$
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    187

    Okay... your OP made it sound like single...

    Okay... your OP made it sound like single conductor cables.

    392.22(A)(1)(a) for fill.

    392.80(A)(1)(b) for ampacity. With a cover on the cable tray, spacing provisions of (c) do not apply.
  23. Thread: Cable tray

    by Smart $
    Replies
    5$$
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    187

    Look at 392.22(B)(1)(b) for fill. Look at...

    Look at 392.22(B)(1)(b) for fill.

    Look at 392.80(A)(2)(b), second sentence, for ampacity
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    Perhaps service transformers are open delta with...

    Perhaps service transformers are open delta with large lighter, small stinger. 3Ø balancing would actually create a problem.

    Service conductor sizes for neutral and high leg could possibly be...
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    Agree. I believe it's 32kA SCCR.

    Agree.


    I believe it's 32kA SCCR.
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