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Type: Posts; User: lu#26

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  1. Replies
    122$$
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    12,892

    Your're Fine

    ...taking the neutral off the circuit is a non-starter - do that and, of course MAJOR toubles will occur - I agree, but who in their right mind would do that and for what reason? It makes no sense...
  2. Replies
    122$$
    Views
    12,892

    Your're Fine

    He said 110v with a 1000w toaster. That's 9.09 amps.
    I said, "That's about 10-amps if all else on the circuit is good".
    If you want to talk about every worst-case scenario, then I'd suggest that no...
  3. Replies
    122$$
    Views
    12,892

    Your're Fine

    That's about 10-amps if all else on the circuit is good.
  4. Replies
    78$$
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    5,021

    What are we talking about?

    Is this thread more concerned about whether the metallic lighting box is 'listed', 'suitable' or 'acceptable'?
    You can't modify or manufacture a lighting box to suit your purposes like the one...
  5. I was on & off the job site during construction...

    I was on & off the job site during construction for QC purposes, and one of the issues that I pointed out to the contractor was their habit of cutting cables to length and then leaving them out in...
  6. Understood. Thanks for reminding me that I didn't...

    Understood. Thanks for reminding me that I didn't mention the system voltage which is 347/600.
  7. Yes, there is a line reactor on the input & the...

    Yes, there is a line reactor on the input & the output. You hit on what I was thinking with creating unwanted capacitance. I brought this up to my plant manager and his reaction is basically that he...
  8. That's been my experience also, but it was...

    That's been my experience also, but it was suggested to me that if the conduit was full of water that it could affect the resistance values I recorded.
    If water had gotten between the copper & the...
  9. Thanks. There's very little chance of moving the...

    Thanks. There's very little chance of moving the VFD any closer due to the layout of the mechanical plant. It's hard enough trying to convince the mechanical plant manager that the cables are bad. It...
  10. RHW-2, USE-2 Cable: Does Wet Location = Submersible

    I've been troubleshooting a VFD & 75 hp. cooling tower fan motor. The VFD produces a fault code of "Ground Fault" after the VFD and motor have run for three to four days. Reading the Allen-Bradley...
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    12$$
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    3,143

    This has been quite an education. I appreciate it...

    This has been quite an education. I appreciate it thoroughly.

    Dan
  12. Replies
    12$$
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    3,143

    Thanks Dereck. If we were to use the SPD example...

    Thanks Dereck. If we were to use the SPD example of the guy with no SPD at his service, a SPD with no apparent ground available (ground light on SPD not illuminated) and a battery backup UPS...
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    12$$
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    3,143

    Salt goes well with Food for thought.

    Thanks to both of you. You've got me thinking in the right direction---directly to a SPD manufacturer's website maybe. If I find out anything that will help clear things up more than you already...
  14. Replies
    12$$
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    3,143

    SPDs & a ground--needed or not essential.

    I've got a couple of questions regarding surge protection devices (SPDs). Just when it seems that I have a firm grasp of the actual functionality and limits of SPDs, someone writes a white paper or...
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