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Type: Posts; User: kwired

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  1. Replies
    14$$
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    616

    Another problem is how things tie together and...

    Another problem is how things tie together and what may be automatically transferred when something fails. The further upstream you go into distribution the more customers will normally be impacted...
  2. Exactly, at very least you will have to pull the...

    Exactly, at very least you will have to pull the weight of the conductors. Likely will be more friction within 3000 feet of pipe than the smaller surface area of that pallet with the reels on it.
  3. Replies
    11$$
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    249

    You could run a MWBC with no load connected to...

    You could run a MWBC with no load connected to one of the poles - still sort of have same thing as far as the breaker is concerned.
  4. Replies
    14$$
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    616

    Exactly. Presuming that mostly means how many...

    Exactly. Presuming that mostly means how many metered services are out. How many small apartments are there with fairly limited load in NYC and one meter on the system? How many small businesses with...
  5. Replies
    1$$
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    99

    I see nothing in 215 that would prohibit this,...

    I see nothing in 215 that would prohibit this, can't think of anywhere else such rule would be if it exists.

    Service conductors can't pass through another building/occupancy.

    Might be some...
  6. Thread: DW cord

    by kwired
    Replies
    2$$
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    210

    Did you read 422.16? Years back NEC used to...

    Did you read 422.16?

    Years back NEC used to tell us certain cord types that were acceptable, now it mostly says "identified as suitable in the installation instructions" for what kind of cord can...
  7. Replies
    10$$
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    288

    Well AFAIK you are an inspector, I think you know...

    Well AFAIK you are an inspector, I think you know what you are supposed to enforce (whether you agree with what is written or not).

    You likely also know it may be a PITA for the contractor and/or...
  8. Replies
    11$$
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    409

    Eaton CH breakers trip to off position, probably...

    Eaton CH breakers trip to off position, probably built with similar or even same mechanism.
  9. Replies
    12$$
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    489

    Instead of tearing up $10k of landscaping, hire a...

    Instead of tearing up $10k of landscaping, hire a directional boring contractor to install a straighter run, or route it to a place where you can put a pull/junction box if they can't get it...
  10. Replies
    3$$
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    132

    If they are from different systems it is possible...

    If they are from different systems it is possible they could have more than 300 volts between systems. If it is a 240 volt circuit and a 120 volt circuit from the same (120/240 volt) source they will...
  11. Replies
    25$$
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    642

    Unless you have access to transformer secondary...

    Unless you have access to transformer secondary terminals to connect test leads there, you are somewhat limited to only testing for voltage drop on the grounded neutral conductor.

    One other...
  12. Replies
    2$$
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    121

    Since this is a multiple occupancy building you...

    Since this is a multiple occupancy building you may be allowed to have more than one service to the building, typically a service disconnecting means in/at each occupancy is how that is done.
    ...
  13. Replies
    5$$
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    206

    for only 5 HP motor most ways of dealing with the...

    for only 5 HP motor most ways of dealing with the problem cost just as much if not more than getting a different motor rated for the voltage. If it is a special design motor that would be difficult...
  14. Replies
    8$$
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    320

    Depending on the cover you use you may not need a...

    Depending on the cover you use you may not need a pigtail out to the receptacle, solid contact of mounting yoke to box/cover is sufficient. If you insist on a conductor to receptacle even if not...
  15. Replies
    25$$
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    642

    Seen it before. Was pretty extreme case of small...

    Seen it before. Was pretty extreme case of small conductor for length of run, maybe 2000 feet of 2 AWG aluminum 120/240 feeder to a maintenance shed at a golf course.

    My first thought was bad...
  16. Replies
    10$$
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    288

    I hate to ask but did you just crawl out from...

    I hate to ask but did you just crawl out from under a rock?:)

    Manufacturers were asked maybe 25-30 years ago to come up with something to protect from arcing faults.

    When they finally came up...
  17. Replies
    25$$
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    642

    Excessively long and/or undersized supply...

    Excessively long and/or undersized supply conductor can look like bad neutral because of voltage drop in an otherwise good condition neutral conductor.

    Grounding or lack of it shouldn't matter. ...
  18. Replies
    11$$
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    409

    AFCI wasn't part of the conversation, I think you...

    AFCI wasn't part of the conversation, I think you are out of luck if wanting to have classified AFCI breakers.
  19. Replies
    25$$
    Views
    642

    Grounding and bonding shouldn't really matter...

    Grounding and bonding shouldn't really matter when it comes to voltage drop issues.

    Length of conductors, impedance of source and amount of loading are things that all will have an impact...
  20. Replies
    2$$
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    206

    I agree that the examples in the annex seem to...

    I agree that the examples in the annex seem to include more steps than what is mentioned in 220.55. All it says there is what you mentioned: the total load shall be calculated on the basis of twice...
  21. Replies
    25$$
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    642

    It can. Could be enough load on transformer...

    It can.

    Could be enough load on transformer to draw voltage down, can common conductor that feeds multiple customers and it will have voltage drop involving all the load on it not just the load...
  22. Replies
    11$$
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    409

    They might be worth it to keep in stock on a...

    They might be worth it to keep in stock on a service truck. When I went to link in RJ's post, they are not in stock in my store, quite possibly not in stock in many stores, but they can ship them to...
  23. Replies
    25$$
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    642

    what else might have changed besides meters,...

    what else might have changed besides meters, loadcenters, and other distribution type items?

    Was there remodeling and branch circuit changes, load changes, etc.? Maybe changed from incandescent...
  24. Replies
    12$$
    Views
    489

    If you are going to be rejected by an inspector...

    If you are going to be rejected by an inspector on this you have a problem. If not might want to use super slick type conductors (SIMpull for example) and even then maybe use additional lubricant....
  25. Replies
    19$$
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    852

    Sounds like someone returned a standard thermal...

    Sounds like someone returned a standard thermal mag breaker in AFCI packaging and the HD employees didn't know any better and put them back on shelf for sale as AFCI's, I'd be very steamed after...
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