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Type: Posts; User: augie47

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  1. Replies
    10$$
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    178

    Amazing the questions that come up when teaching...

    Amazing the questions that come up when teaching a class.....
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    2$$
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    62

    sounds as if you have not bonded your neutral to...

    sounds as if you have not bonded your neutral to ground on the gate transformer secondary.
    (you should also have a grounding electrode system..see 250.30)
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    10$$
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    178

    Brevity is the soul of wit

    Brevity is the soul of wit
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    10$$
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    178

    Got It ! Sometimes those dang trees get in the...

    Got It !
    Sometimes those dang trees get in the way of the forest....

    One can concentrate too closely on the wording of one sentence...
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    14$$
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    277

    Probably the result of a lawsuit :) Caution !...

    Probably the result of a lawsuit :)
    Caution ! Hot Coffee can burn you, etc.
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    11$$
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    205

    I see no problem with the arrangement, however...

    I see no problem with the arrangement, however IMO, it should be noted that there is still a requirement for an equipment grounding conductor to be installed with the generator conductors.
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    10$$
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    178

    310.15(B)(3)(4)

    310.15(B)(3)(A) has the following wording:
    (4) Adjustment factors shall not apply to Type AC cable or to Type MC cable under the following conditions:

    [R

    a. The cables do not have an overall...
  8. from reading the OP, that might be an assumption....

    from reading the OP, that might be an assumption. Some municipal (and other) exterior lighting systems are 480 ungrounded or corner-grounded.
    I will agree that this section is often misread and...
  9. Dennis ...

    Dennis (http://forums.mikeholt.com/member.php?u=89065) would make an outstanding instructor
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    32$$
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    710

    Smart: This was a question asked by a student in ...

    Smart: This was a question asked by a student in a class so use numbers you wish :)
    In his description, Phase A would be a fully loaded non-linear load supplying lighting, Phase B & C are linear...
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    8$$
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    343

    Service: The conductors and equipment for...

    Service: The conductors and equipment for delivering electric energy from the serving utility to the wiring system of the premises served.
    Sounds like you have ONE service and the service...
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    4$$
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    186

    IMO, it would not be a service based on the Code...

    IMO, it would not be a service based on the Code definitions.
    It looks to me like 250.30 & 250.32 would be the applicable Articles.
    I see a bit of a problem with the design in general looking at...
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    0$$
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    129

    Ideal Megger Readings

    An electrician called asking about readings from an Ideal 61-795 megger.
    He states he is using a 1000VDC scale and has readings on 600 and 1000 (??) meauring phase to ground.
    I am not familiar with...
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    32$$
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    710

    Ignorance ! :D Simply because I felt the...

    Ignorance ! :D
    Simply because I felt the non-linear load would have an adverse effect on the neutral current
    regardless of what was taking place on the other two phases. I pictured an unbalanced...
  15. Replies
    32$$
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    710

    Thank you ! I was a typo.. only one is...

    Thank you ! I was a typo.. only one is non-linear, hence the question,
  16. Replies
    32$$
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    710

    Non-Linear Load

    Student in class asked a question concerning non-linear loads and my answer leaned toward "yes" but that may not be correct.
    Assume a 3 phase MWBC.
    Phase A feeds load consisting entirely of...
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    3$$
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    184

    From the wording, I find this interesting.... and...

    From the wording, I find this interesting.... and the answers may vary.
    I can see a number of approaches.
    As both you and Smart$ stated, 250.66 is the guide.
    IF your disconnects are fed from the...
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    11$$
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    543

    You mentioned a 2 pole 20 but to clarify is this...

    You mentioned a 2 pole 20 but to clarify is this a 240/120 volt supply and was the GFCI neutral connected to the supply neutral ?
  19. Thread: Lighting Pole

    by augie47
    Replies
    2$$
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    168

    agree. Look at 210.6 and 225.7 for voltage...

    agree. Look at 210.6 and 225.7 for voltage limitations.
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    2$$
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    148

    I don't know of a shortcut. As far as the...

    I don't know of a shortcut. As far as the individual apartments I think I would fall back to an Article 220 calculation.
    I can't imagine a 47 unit building that does not have a main or multiple...
  21. I don't deal with drive installations much so...

    I don't deal with drive installations much so this question sent me to the books and I have confused myself.
    '08 leaves a whole lot to be desired when it comes to drive system feeders in general...
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    45$$
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    1,298

    Our local Cracker Barrel installed a EV charging...

    Our local Cracker Barrel installed a EV charging station, one fast charge and two slow charges.
    I've been watching it for about 6 months now as I drive by and have not seen a car charging yet......
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    6$$
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    281

    Sounds like you have found an inspector that...

    Sounds like you have found an inspector that knows his Code.
    All the points are valid and after a quick look the references seem correct.
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    32$$
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    1,044

    Almost.... This is the 1st Handbook a Journeyman...

    Almost....
    This is the 1st Handbook a Journeyman gave me13206
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    11$$
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    393

    There are definitely red flags. Generally...

    There are definitely red flags. Generally speaking each structure (the house bring one structure, the detached garage with apt above being a 2nd) can have only one service or feeder supply. See...
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