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Type: Posts; User: petersonra

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  1. Replies
    22$$
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    553

    how do they get water to flush the toilet?

    how do they get water to flush the toilet?
  2. NEC does not list anything, so I don't know what...

    NEC does not list anything, so I don't know what you mean by that.

    I don't know what you mean by the 2 foot limit either. It appears to me that DB cable of any kind below grade to 2 feet would...
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    6$$
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    174

    I got 2 out of the 3!

    I got 2 out of the 3!
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    16$$
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    357

    There was a specific PN I had ordered that was in...

    There was a specific PN I had ordered that was in the catalog but was on what AB called "production hold" (I think that was what they called it), so I had to change to something else.

    The AB...
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    33$$
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    757

    It should not be real hard to figure out what...

    It should not be real hard to figure out what version of the code was in use in your area at the time and go back to that code and copy the appropriate language.

    personally, I think the time...
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    6$$
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    174

    My somewhat educated guess would be Main...

    My somewhat educated guess would be

    Main Distribution Board
    Semi Main Distribution Board
    Distribution Board

    200 kW is only 240A at 480V 3 phase. Not that big of a feeder.
  7. Replies
    6$$
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    174

    I don't think you will even find those terms in...

    I don't think you will even find those terms in the NEC, so there are unlikely to be any prohibitions on the size of them.

    There are often engineering specs that have limits that are more...
  8. Sounds like boiler plate to me written by someone...

    Sounds like boiler plate to me written by someone who does not have a really good idea what he is talking about. My guess is a tech writer.

    The NEC does not care a whit about whether the equipment...
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    6$$
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    172

    It also costs $9 to download it.

    It also costs $9 to download it.
  10. Replies
    1$$
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    129

    I am not in possession of all the facts regarding...

    I am not in possession of all the facts regarding this setup, but it occurs to me that it is not a lot different than plugging a computer monitor into an outlet.

    Maybe you could post a picture of...
  11. I would be inclined to call it a sleeve as well....

    I would be inclined to call it a sleeve as well. A metal conduit would need an EGC attached to it. A sleeve does not.
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    5$$
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    202

    why would a fume hood control panel be listed to...

    why would a fume hood control panel be listed to UL508a in the first place?

    if it is being used as a disconnecting means UL508a has a list of what can be used for that purpose.
  13. Replies
    45$$
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    1,372

    It does say the "above ground" portion, but that...

    It does say the "above ground" portion, but that seems to only apply to sections you can bond with the EGC.
  14. Replies
    11$$
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    492

    Shunt trips are completely isolated from the...

    Shunt trips are completely isolated from the electrical power of the CB. The shunt trip mechanically trips the CB when it is activated. AFAIK, the CB does not even need power applied for the shunt...
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    45$$
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    1,372

    I don't see how you can comply with the rule that...

    I don't see how you can comply with the rule that says you can't use the gas piping as a GE yet run a #6 wire between the gas pipe and the GES.
  16. Replies
    11$$
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    492

    As best I can tell the primary difference between...

    As best I can tell the primary difference between at least larger MCCB that can or cannot be backfed is whether they have changeable trip elements. If you can change the trip unit, it is not reverse...
  17. as a practical matter, what is the real...

    as a practical matter, what is the real difference? you still have to do it that way.
  18. Thread: Don't scold

    by petersonra
    Replies
    27$$
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    1,005

    as a relatively inexpensive means of physical...

    as a relatively inexpensive means of physical protection of the UG cable it has some merit.

    smurf tubing is even cheaper though and might be easier to use.
  19. Replies
    6$$
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    240

    yep.

    yep.
  20. +1 for draftsight. I use it every day. do most of...

    +1 for draftsight. I use it every day. do most of my drawings in it.

    the only thing I use autocad for now is to paste spreadsheet tables into drawings as autocad entities as I have not been able...
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    11$$
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    352

    I see no code violation either.

    I see no code violation either.
  22. Replies
    10$$
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    414

    there are several different kinds. some have...

    there are several different kinds. some have multiple screw holes. others have the ridge to keep it from rotating as several other people posted..
  23. yes. the OP seemed to be unfamiliar with the...

    yes. the OP seemed to be unfamiliar with the device so I linked to it.

    it does not appear to be a type 1 SPD.
  24. Unless there is some good reason to mess with it,...

    Unless there is some good reason to mess with it, I would not even mention anything to the HO. It opens up so many cans of worms it is not worth bringing up IMO.

    If you wanted to actually "fix"...
  25. Replies
    6$$
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    367

    I have not seen that but it is not unusual to see...

    I have not seen that but it is not unusual to see a spec requirement to use nothing smaller than size 1 starters. I have also seen specs that do not allow fractional HP VFDs.

    I also have seen...
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