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Type: Posts; User: infinity

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  1. Replies
    7$$
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    157

    HVAC guys cut them out all of the time to run...

    HVAC guys cut them out all of the time to run duct work so it shouldn't be a problem.
  2. Replies
    7$$
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    260

    Corner grounding an ungrounded 3Ø Delta system...

    Corner grounding an ungrounded 3Ø Delta system will not give you 277 volts. When measuring phase to ground it will give you 480-0-480 volts.
  3. Replies
    8$$
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    127

    How about an example problem to go along with...

    How about an example problem to go along with your nice explanation? :D
  4. Replies
    7$$
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    304

    As I said prior, if the conduit body does not...

    As I said prior, if the conduit body does not meet the 6X or 8X dimension required also for boxes it does not count as relief when exceeding the 360° requirement. Also with larger conductors often...
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    22$$
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    406

    I wouldn't call anyone who would do that...

    I wouldn't call anyone who would do that competent.:ohmy:
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    22$$
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    406

    That would be fine if they changed all of the...

    That would be fine if they changed all of the components of the circuit to 30 amps. We use #10 on 20 amp circuits all of the time so to me it's not an issue. Anyone competent electrician would not...
  7. Replies
    22$$
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    406

    It sounded to me like he was concerned that...

    It sounded to me like he was concerned that someone else would see #10 conductors and change the OCPD to 30 amps.
  8. Replies
    22$$
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    406

    I still don't see how you can take a circuit that...

    I still don't see how you can take a circuit that needs a 20 amp OCPD and just throw in a 30 amp because the conductors are big enough. :?
  9. Replies
    22$$
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    406

    If it's a 20 amp circuit how could you change to...

    If it's a 20 amp circuit how could you change to a 30 amp OCPD?
  10. Replies
    7$$
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    304

    As Bob stated LB's do count as pull points but...

    As Bob stated LB's do count as pull points but that could be contingent upon what size conductors you're using. An LB would need the same 6X dimension needed for an angle pull when using a pull box...
  11. Replies
    22$$
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    406

    What is the bonding jumper being used for? If...

    What is the bonding jumper being used for? If it's from the receptacle to a metal box you could use #12 if the device had #12 pigtails.
  12. Replies
    21$$
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    649

    300.34 is for over 1000 volts were you using that...

    300.34 is for over 1000 volts were you using that as an example?
  13. Replies
    9$$
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    254

    SE cable would look the best. :)

    SE cable would look the best. :)
  14. Replies
    9$$
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    254

    I agree but if the weatherhead is very large it...

    I agree but if the weatherhead is very large it won't rotate straight down unless the conduit has some space behind it. We sometimes put a small offset at the end. Facing straight out like depict...
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    8$$
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    251

    You're correct and it's still in the NEC.

    You're correct and it's still in the NEC.
  16. Replies
    9$$
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    224

    They're great for outdoor light fixtures where...

    They're great for outdoor light fixtures where you need a flat surface for the canopy.

    http://www.rusticworks.net/images/jobs/LightFixtureStone2.jpg
  17. Replies
    9$$
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    224

    There are commercial products made for stone...

    There are commercial products made for stone veneer finishes.

    http://www.brockwhite.com/files/IMAGE/content/Large/Mocha_Single_Receptacle_Stone.jpg

    Or these:...
  18. Replies
    18$$
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    365

    I agree that can be done but does the NEC require...

    I agree that can be done but does the NEC require it to be done? If opening a remote disconnect damages the VFD then you have complied with (a) if you eliminate the hazard, which is the disconnect. ...
  19. Replies
    18$$
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    365

    IMO (a) can also be applied in concert with the...

    You might be able to use exception b.

    That said I think it is better practice to provide a disconnecting means at the motor even if that means early break auxiliary contacts have to be installed...
  20. Replies
    27$$
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    776

    Violation or not this is dumb. I can run the MC...

    Violation or not this is dumb. I can run the MC down the wall to the box or I can transition it above or in the wall so what's the difference? This isn't a raceway where conductors may be removed...
  21. Thread: Clearance

    by infinity
    Replies
    10$$
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    323

    There is no NYC amendment on this section so you...

    There is no NYC amendment on this section so you measure from the front of the enclosure that contains the live parts. IMO a VFD requires the clearances of 110.26 which could be 36", 42" or 48"...
  22. Thread: Clearance

    by infinity
    Replies
    10$$
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    323

    Take a look at 110.26(A)(1) where it states that...

    Take a look at 110.26(A)(1) where it states that "Distances shall be measured from the exposed live parts or from the
    enclosure or opening if the live parts are enclosed."

    Welcome to the Forum. ...
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    2$$
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    128

    Take a look at T300.5.

    Take a look at T300.5.
  24. Replies
    13$$
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    717

    We use 12/4 all of the time temporary power and...

    We use 12/4 all of the time temporary power and lighting circuits.
  25. Replies
    21$$
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    649

    Good question but a box isn't a raceway so I...

    Good question but a box isn't a raceway so I don't see how 800.110(A)(1) applies to boxes.
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