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Type: Posts; User: petersonra

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  1. Replies
    63$$
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    1,537

    the problem is that the so called oil crunch is...

    the problem is that the so called oil crunch is not manifesting itself at all. The stuff gets a little more expensive to drill for but there is still a bunch of it down there to get. New drilling...
  2. Thread: legal?

    by petersonra
    Replies
    12$$
    Views
    211

    I am fine. My wife is the one in pain.

    I am fine. My wife is the one in pain.
  3. Thread: legal?

    by petersonra
    Replies
    12$$
    Views
    211

    I thought mounting a box to a drop ceiling might...

    I thought mounting a box to a drop ceiling might be an issue.
  4. I have looked at it pretty close. UL508a does not...

    I have looked at it pretty close. UL508a does not allow you to use the ampacity values that Erico claims. You are limited to the 75 deg C column of table 28.1. Flexibar is very expensive copper. In...
  5. It is entirely dependent on the deal(s) your...

    It is entirely dependent on the deal(s) your company makes with their suppliers. Some companies are relatively good at making such deals, and others a lot less so.
  6. Replies
    10$$
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    192

    Yes, BUT a 2 kOhm resistor at 115V is almost 7...

    Yes, BUT a 2 kOhm resistor at 115V is almost 7 Watts so you will need a ten Watt resistor.
  7. Thread: legal?

    by petersonra
    Replies
    12$$
    Views
    211

    legal?

    Noticed this in the pain center at a local hospital yesterday.

    No way to know what is above the drop ceiling.
  8. Replies
    10$$
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    167

    what 80% rule are you talking about? IMO, any...

    what 80% rule are you talking about?

    IMO, any kind of charger is not a constant load and thus does not fall under the 3 hour rule at all.



    The nature of a charger is such that it cannot be...
  9. Replies
    4$$
    Views
    108

    I think the actual answer to your question is...

    I think the actual answer to your question is "sort of" of the equipment you are asking about requires a GE connection.

    You can use a common GEC.
  10. Replies
    63$$
    Views
    1,537

    so far none of the alternate energy solutions...

    so far none of the alternate energy solutions have shown an ROI at all. they all cost more than the equivalent conventional energy. often by 2 or 3 time. the only thing making any of it remotely...
  11. I will give you another hint. AB 140G MCCB are...

    I will give you another hint. AB 140G MCCB are insanely expensive compared to alternatives.
  12. I will give you a hint. It is sometimes more cost...

    I will give you a hint. It is sometimes more cost effective to buy a 3 pole MCCB and use it as a distribution block than it is to buy a distribution block. There are distribution lugs available for...
  13. Replies
    1$$
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    104

    not only that but drive executive is no longer...

    not only that but drive executive is no longer supported. they are forcing everyone to migrate to CCW for drives.

    some drive parameters can be exported into excel and then imported back to...
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    9$$
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    184

    Other than the anomalous readings are there any...

    Other than the anomalous readings are there any actual problems associated with this?
  15. Where does it say in UL508a that you cannot bolt...

    Where does it say in UL508a that you cannot bolt 2 boxes together and call it one ICP?
  16. Replies
    4$$
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    148

    200 amp switch

    Anyone know of switch rated for 200 amps? Not a disconnect switch or a transfer switch. 600vac.

    Customer wants a load bank with direct switches instead of contactors. Never ran into this before.
  17. I don't see anything inherently unsafe in the...

    I don't see anything inherently unsafe in the idea. People have been doing it for a long time without the box.
  18. Replies
    11$$
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    395

    the difference is the IBEW is not the employer....

    the difference is the IBEW is not the employer. presumably the temp service is the actual employer of the people in question.

    my guess is that most places there is no provision to allow employees...
  19. Are you looking for a code answer or a UL508a...

    Are you looking for a code answer or a UL508a answer?
  20. Replies
    10$$
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    296

    I'd be inclined to install a panel in the garage...

    I'd be inclined to install a panel in the garage on the grounds that they will probably want more circuits down the road. OTOH, you can come back and charge them to run more conduit and wire when...
  21. Replies
    16$$
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    371

    I am more surprised that someone can become a...

    I am more surprised that someone can become a journeyman electrician and electrical contractor and not know this.
  22. Replies
    30$$
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    1,126

    My experience is that it is almost never the...

    My experience is that it is almost never the software. Maladjusted or defective limit switches are probably the number one reason we go out on service calls to fix "software" problems.

    I can't...
  23. Replies
    4$$
    Views
    232

    copy the part of the excel file you want to...

    copy the part of the excel file you want to insert into your clipboard.

    use the paste special command, and then select paste as autocad entities.

    it will create an editable autocad table in...
  24. Replies
    8$$
    Views
    293

    Prosoft makes some wireless hotspots that are...

    Prosoft makes some wireless hotspots that are pretty seamless point to point WiFi.
  25. A number of years ago we got a box of fuses that...

    A number of years ago we got a box of fuses that about half were that way. Fuse manufacturer said they were probably returns. People apparently send back dead fuses sometimes.
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