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Type: Posts; User: infinity

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  1. Replies
    4$$
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    174

    For raceways with SEC's within them you only need...

    For raceways with SEC's within them you only need to bond them at one end with a method beyond a standard locknut. Personally (unless required by spec) if those are full size KO's I would use a...
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    6$$
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    88

    There's is nothing in the NEC that says that you...

    There's is nothing in the NEC that says that you cannot use a two pole CB with a conductor connected to only one pole.
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    11$$
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    378

    You can bury the pull box if you can comply with...

    You can bury the pull box if you can comply with the accessibility exception. You need some kind of marker for the future access.
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    2$$
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    84

    I'm not saying that it applies to this...

    I'm not saying that it applies to this installation but there are exceptions to the 6 disconnect rule that would allow a 7th disconnect. If the exception didn't apply a main would be a suitable...
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    41$$
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    12,448

    Same answer as elsewhere in this thread, no.

    Same answer as elsewhere in this thread, no.
  6. Replies
    4$$
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    174

    For SEC's you can size the bonding jumper for...

    For SEC's you can size the bonding jumper for each separate raceway based on the conductors within each raceway according to T250.102(C). {250.102(C)(2)}
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    8$$
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    256

    Sorry you did say MC cable but I was thinking NM...

    Sorry you did say MC cable but I was thinking NM with a solid EGC. Yes you could just use a fork connector and a screw in the back of the box. There is no requirement that the screw has to be...
  8. Replies
    8$$
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    256

    Since the EGC is solid a nut and bolt will do.

    Since the EGC is solid a nut and bolt will do.
  9. Yup what 480 said, a washing machine or sink can...

    Yup what 480 said, a washing machine or sink can be immediately adjacent to the panel as long as there isn't an encroachment on the required working space.
  10. Replies
    9$$
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    430

    The building I'm currently working is in that...

    The building I'm currently working is in that zone of black out. Wonder if the generator started. :jawdrop:
  11. Replies
    4$$
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    269

    Maybe they're reading the new requirement...

    Maybe they're reading the new requirement incorrectly or they have a local amendment.

    BTW please turn off the CAPs lock.
  12. Thread: UPS Install

    by infinity
    Replies
    20$$
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    1,072

    I agree, that's why I'm questioning the loading...

    I agree, that's why I'm questioning the loading of only 25%. If I had to move a 3200# transformer and the nameplate on the elevator said 5000#'s then all is good. :)
  13. Thread: UPS Install

    by infinity
    Replies
    20$$
    Views
    1,072

    I know of no one who would be concerned with...

    I know of no one who would be concerned with putting a 3200 pound piece of equipment in an elevator rated for 5000 pounds, on a construction site it happens every day. If this is new construction he...
  14. Replies
    1$$
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    178

    Yes he's correct. The tap conductors have to...

    Yes he's correct. The tap conductors have to comply with the 1/3 ampacity rule, the fact that you have a smaller OCPD is irreverent.
  15. I agree, although by the wording of the NEC they...

    I agree, although by the wording of the NEC they could.
  16. Thread: 1200a feeder

    by infinity
    Replies
    6$$
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    297

    What voltage, GFPE isn't required for 208Y/120.

    What voltage, GFPE isn't required for 208Y/120.
  17. Thread: UPS Install

    by infinity
    Replies
    20$$
    Views
    1,072

    You need someone with some rigging/material...

    You need someone with some rigging/material handling experience and the right equipment, otherwise you should hire a rigger. I've posted this before, here's about a 9600 pound transformer we moved...
  18. Good question that no one can answer and they...

    Good question that no one can answer and they changed to code wording a few cycles back to the word present to make it clearer. :)
  19. If it was 121 gallons you could eliminate the 25%...

    If it was 121 gallons you could eliminate the 25% from your calculation. I'm guessing that they stop at 120 gallons.
  20. Thread: UPS Install

    by infinity
    Replies
    20$$
    Views
    1,072

    We move things like that all of the time. A...

    We move things like that all of the time. A manual 5500 pound pallet jack will work if you have level surfaces and some beefy electricians. We use an electric pallet jacks and move transformers up...
  21. Replies
    19$$
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    824

    The AFCI's that were part of the original...

    The AFCI's that were part of the original installation were installed to be code complaint, that should answer your question. :)
  22. Thread: EGC sizing

    by infinity
    Replies
    9$$
    Views
    428

    Yes, it's no different than having a 125 amp fuse...

    Yes, it's no different than having a 125 amp fuse in a 200 amp disconnect switch you would size the EGC based on the OCPD size, in this example 125 amps. His other hypothetical question regards...
  23. Thread: EGC sizing

    by infinity
    Replies
    9$$
    Views
    428

    Depends what the EGC size is based on Table...

    Depends what the EGC size is based on Table 250.122 for 1000 amps and 1200 amps. If the ungrounded conductors are already sized for 1200 amps then the EGC should already be upsized even with a 1000...
  24. Replies
    3$$
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    341

    If I remember correctly 2+2 means 4 circuits and...

    If I remember correctly 2+2 means 4 circuits and 2 neutrals, 3+1 is 3 circuits with 1 neutral and a separate circuit and neutral.
  25. Thread: EGC sizing

    by infinity
    Replies
    9$$
    Views
    428

    250.122 based on the size of the the overcurrent...

    250.122 based on the size of the the overcurrent protection not the frame size.
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