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  1. Replies
    5$$
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    139

    Only when the caution flag is out. :D

    Only when the caution flag is out. :D
  2. Replies
    9$$
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    330

    Maximum 20A OCPD, though. 240.4(D)(5) ...

    Maximum 20A OCPD, though.
    240.4(D)(5)

    However, wiring for an A/C unit falls under Article 440.
    240.3
  3. The building wire you are dealing with is rated...

    The building wire you are dealing with is rated 600V.... all colors. :D
  4. Replies
    10$$
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    338

    Wouldn't any 2- or 3-pole 240V straight-rated...

    Wouldn't any 2- or 3-pole 240V straight-rated breaker (not 120/240 slash-rated) permit using the "B" phase for a 208V Line-to-Neutral circuit?

    I do not recommend doing so, even if permitted.
  5. Replies
    29$$
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    1,458

    There's UL 710 Standard for Exhaust Hoods for...

    There's UL 710 Standard for Exhaust Hoods for Commercial Cooking Equipment, and there's UL 858 Standard for Household Electric Ranges which includes ventilating hoods integral with the range, but is...
  6. Just nitpicking here, but the three vertical...

    Just nitpicking here, but the three vertical busses on the right side are not Code compliant. They are C, B, A in arrangement and Code requires A, B, C, like on the left side. :angel:
  7. That's what I'm seeing. Black should be white...

    That's what I'm seeing.

    Black should be white or gray.
  8. But which conductor... I mean some parts of PA...

    But which conductor...

    I mean some parts of PA and OH are really really close... but I suspect yours and my parts aren't that close... nowhere close enough for me to know which conductor you...
  9. Replies
    4$$
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    180

    As Don noted, a grounded [B phase] delta is only...

    As Don noted, a grounded [B phase] delta is only a 3 wire system.

    If you have 4 wires, you likely have a 240/120V 3Ø 4W [delta high leg] system. The grounded neutral conductor is a center tap to...
  10. What size wires are the larger ones, the black,...

    What size wires are the larger ones, the black, red, blue sets?
  11. It appears corner grounded (assuming the values...

    It appears corner grounded (assuming the values posted are line to ground) and using a 3Ø bus panel... but that doesn't tell you which phase is grounded. The middle lug of a 3P breaker can be...
  12. Check voltages per Don's post. The grounded...

    Check voltages per Don's post.

    The grounded conductor of a corner grounded system is treated almost identical to a grounded neutral of a more common system. In some cases, you cannot tell the...
  13. But we do see some. That's better than none....

    But we do see some.


    That's better than none. :happyyes:
  14. Replies
    32$$
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    1,223

    The more details you have going in the front, the...

    The more details you have going in the front, the more details you'll get coming out the back. :lol:
  15. Unless there's a local ordinance that says you...

    Unless there's a local ordinance that says you must include those loads, the reviewer is wrong.
  16. Replies
    32$$
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    1,223

    No. One winding can handle 1/3 the total kVA...

    No. One winding can handle 1/3 the total kVA rating of the transformer. When a load is connected L1 to X0, only that one winding delivers power.

    Connect a load across any two lines (L1-L2,...
  17. Have at it... ;)

    Have at it... ;)
  18. You missed 240v. :D

    You missed 240v. :D
  19. Replies
    32$$
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    1,223

    The only time that is true is if the load is...

    The only time that is true is if the load is connected L-N to a wye secondary.
  20. Replies
    32$$
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    1,223

    Is there a question in there? You lost me on...

    Is there a question in there?

    You lost me on your second sentence.
  21. tick tock tick tock :sleep:

    tick
    tock
    tick
    tock

    :sleep:
  22. Replies
    32$$
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    1,223

    Actually, enough information is provided. ...

    Actually, enough information is provided. Connecting to any two points on a 3Ø supply, delta or wye, yields a single phase voltage. Any such connection in common US 3Ø configurations can be used as...
  23. Replies
    9$$
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    519

    Did I miss a post and/or picture somewhere? Is...

    Did I miss a post and/or picture somewhere? Is that a statement of fact or sheer speculation?

    :?
  24. Replies
    14$$
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    742

    I suspected as much... ...even when evaluating...

    I suspected as much...
    ...even when evaluating it as Class II rated. ;)

    BTW I've always considered Sylvania a major player in the lighting industry.


    I had nothing better to do at the...
  25. Replies
    32$$
    Views
    1,223

    Yes. As a demonstration, remove the direct...

    Yes.

    As a demonstration, remove the direct winding from the bank. The load is now connected across the open end of an open delta.

    :D
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