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  1. Thread: Fire pumps!

    by charlie
    Replies
    1$$
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    1,358

    The first step is to determine the correct size...

    The first step is to determine the correct size of the conductor for the entire circuit. You do apply the 125% for the entire circuit. A fire pump circuit is the same as any other circuit in nearly...
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    4,559

    OOOPS! :roll:

    OOOPS! :roll:
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    6$$
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    4,827

    The AHJ has no authority concerning the...

    The AHJ has no authority concerning the construction of a listed product. As long as it is listed, you may do the internal wiring with bailing wire and zip cord. In my opinion, the inspector is...
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    4,559

    I just want to make sure you don't miss the part...

    I just want to make sure you don't miss the part of mivey's post that points you to 250.58 Common Grounding Electrode. . . . Where separate services, feeders, or
    branch circuits supply a building...
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    19$$
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    5,762

    Yes you may. You will find that the conductors...

    Yes you may. You will find that the conductors are marked with ridges to identify the different phases. :)
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    19$$
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    5,762

    ACSR is not required and it tough to cut. You...

    ACSR is not required and it tough to cut. You can use AAAC (All Aluminum Alloy Conductor) if you can find it and it can be cut easily. That is all we use because we have had problems with the old...
  7. Thread: Gas Furnace

    by charlie
    Replies
    8$$
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    3,743

    Welcome to the Forum! I have searched the...

    Welcome to the Forum!

    I have searched the 2009 Edition of the International Residential Code and find no requirements for a red emergency switch cover for any type of switch . . . period. I...
  8. Replies
    9$$
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    5,294

    I agree with just about everything said in the...

    I agree with just about everything said in the answers. We do size only for the actual projected load, we will replace the transformer or service lateral if they are undersized, we do not normally...
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    3,584

    The proposal period has been completed and the...

    The proposal period has been completed and the comment period is under way. The deadline for comments is Friday 10/23/2009 at 5:00 PM EDT. The code making panels will meet again in Redondo Beach for...
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    9$$
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    3,402

    Cut me a little slack because I am doing this...

    Cut me a little slack because I am doing this from memory and it has been a long time since I have installed baseboard heaters. Standard density is normally 250 watts per foot and low density is 190...
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    15,697

    Great article

    Brad, I have read some very good comments and your article is outstanding, especially the lead in story. :)

    Assuming you are going to revise the article a little, would you post the revised...
  12. Replies
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    6,283

    For some reason I have stayed out of this...

    For some reason I have stayed out of this discussion. :roll:

    The general feeling of most courts is that the serving electric utility can't repair what they don't know about. If the electric...
  13. Replies
    35$$
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    8,435

    Those are interesting Wayne. I told some friends...

    Those are interesting Wayne. I told some friends that I had seen the same thing but after seeing the photos, I don't believe I have seen those before. Thanks for posting the photos. :)
  14. Thread: Meter Location

    by charlie
    Replies
    14$$
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    4,942

    All services on each building is required to be...

    All services on each building is required to be grouped. :)
  15. Thread: Meter Location

    by charlie
    Replies
    14$$
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    4,942

    Good comment

    You are absolutely correct. Without a service (a meter is not a service, it is just a wide place in the conduit), there is no reason for a 4th conductor. The service disconnecting means and...
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    8$$
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    4,697

    Very interesting. I have seen a multitude of pad...

    Very interesting. I have seen a multitude of pad mounted transformers with no fencing installed at all. If a chain link fence is placed around a pad mounted transformer in your back yard and it is...
  17. Replies
    7$$
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    4,016

    The OP is discussing additional service...

    The OP is discussing additional service disconnecting means and you are limited to six in any one location.


    Agreed.


    We do the same. There would be six residential meters and one...
  18. Thread: stray voltage

    by charlie
    Replies
    9$$
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    3,010

    Are these private or owned by a municipality or...

    Are these private or owned by a municipality or similar government agency? If they are not private, they may have been installed to the NESC rules instead of the NEC rules. :)
  19. Thread: Meter Location

    by charlie
    Replies
    14$$
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    4,942

    Assuming you are within the rules laid out by the...

    Assuming you are within the rules laid out by the serving electric utility for the rate for your shop (if you have too much commercial load, the rate will be different than the residential rate), you...
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    2,251

    If the serving electric utility has a major...

    If the serving electric utility has a major rebuild or the primary distribution is switched from one substation to another, you may need to do the calculations again. Keep in mind that a substation...
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    22,041

    That is because we don't want our service drops...

    That is because we don't want our service drops laying in the yard. :)
  22. Replies
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    2,845

    It sounds like your system is indeed correct. As...

    It sounds like your system is indeed correct. As long as the center point of the 480 wye is not connected to anything and the neutral point is not brought out to be used, it will look like an...
  23. Replies
    7$$
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    4,016

    Sorry, I can't agree. This is giving permission...

    Sorry, I can't agree. This is giving permission to feed a set of service entrance conductors to feed a common service for lights, alarms, irrigations, and the such. You are still only permitted to...
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    1$$
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    1,281

    That is really cute but not electrically related....

    That is really cute but not electrically related. Actually, I am sorry I have to close it. If you haven't looked at the link, take a look, it is worth the click. :)
  25. Thread: Nec vs nesc

    by charlie
    Replies
    2$$
    Views
    4,768

    90.2(A)(4) Covered. Installations used by the...

    90.2(A)(4) Covered. Installations used by the electric utility, such as office buildings, warehouses, garages, machine shops, and recreational buildings, that are not an integral part of a...
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