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Type: Posts; User: kwired

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  1. Replies
    4$$
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    127

    I agree, what would be prohibited is to plug two...

    I agree, what would be prohibited is to plug two 600 amp breakers onto the same supply bus to achieve a 1200 amp feeder.

    Two sources being combined is a different ballgame, and you do need to...
  2. Replies
    17$$
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    249

    Are you saying that as you face the box with the...

    Are you saying that as you face the box with the door/removable lid opened, all the raceways enter from say the left side, and then you have same four raceways leaving via the back wall (opposite the...
  3. Thread: Water damage

    by kwired
    Replies
    4$$
    Views
    90

    Receptacles - most likely should be replaced. ...

    Receptacles - most likely should be replaced.

    THWN conductor - some may tell you you have to, I will point out that I am always pulling out THWN installed in underground raceways that ultimately...
  4. Nothing in NEC prevents you from supplying 2000...

    Nothing in NEC prevents you from supplying 2000 amp gear with only a 60 amp conductor if the load is 60 amps or less. The 2000 amp gear would seem cost prohibitive in most cases for that size of...
  5. Replies
    53$$
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    1,232

    Until you have a bad batch of cable. But usually...

    Until you have a bad batch of cable. But usually you feel you are too busy to think such testing is worth the time and seldom have a situation that would fail such a test.

    I did one time run...
  6. Replies
    21$$
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    527

    I still think there would be about as much...

    I still think there would be about as much confusion - especially among those not qualified, or only slightly qualified. The key to understanding the conductor(s) in question here is to understand...
  7. Replies
    53$$
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    1,232

    I have only used a megger as a go/no go type of...

    I have only used a megger as a go/no go type of tester. For most troubleshooting I do that is all that is needed from it.

    I have a relatively inexpensive analog type megohmeter.

    When you hit...
  8. I used to think that way. But have seen enough...

    I used to think that way. But have seen enough failures over the years to know that the GFCI is usually tripping because there is a problem. The AFCI issue is another ball game and I don't want to go...
  9. Replies
    13$$
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    290

    Might make more sense, but that is not the way...

    Might make more sense, but that is not the way Square D GFCI's work, those are the only ones I have tested myself - the GFCI protection does not work without the line side neutral being connected....
  10. Replies
    16$$
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    541

    Don't worry nobody here would ever rub it in.

    Don't worry nobody here would ever rub it in.
  11. Standard ground bars designed for inside...

    Standard ground bars designed for inside loadcenters may not be suitable for use at outdoor locations, may need something that is corrosion resistant.
  12. Replies
    45$$
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    1,214

    Hope you got in line "up hill" from the pumps.;)

    Hope you got in line "up hill" from the pumps.;)
  13. Replies
    45$$
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    1,214

    They could also cut down some cost by not...

    They could also cut down some cost by not installing lighting - make customers bring their own portable lights be it disposable batteries, rechargeable battery, shake to charge lights, kerosene...
  14. Replies
    21$$
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    527

    A better analogy then a typical domestic water...

    A better analogy then a typical domestic water system may be a hydraulic power system where the media is directly recirculated within the system.

    One problem that is still different though is...
  15. Replies
    29$$
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    611

    They can't. But putting in a sub panel that will...

    They can't. But putting in a sub panel that will accommodate an AFCI is an option. Even in OP situation place a single breaker panel in the laundry circuit and install an AFCI. The original home run...
  16. Replies
    27$$
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    522

    Meters are just a wide point in the conductors....

    Meters are just a wide point in the conductors. (don't know who to quote that from but first seen this description on this site). What matters is where the service disconnecting means is. NEC don't...
  17. Replies
    13$$
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    290

    Are you supplying a spa or just using a spa panel...

    Are you supplying a spa or just using a spa panel as a disconnect for this heater you gave no other details about? GFCI protection may not even be necessary depending on what you are feeding. That...
  18. Replies
    14$$
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    471

    But efficiency and power factor do vary if the...

    But efficiency and power factor do vary if the voltage varies as well if the driven load varies. Nameplate values only are valid if the input voltage,frequency, and output load match what is on the...
  19. Replies
    27$$
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    1,215

    Jump the two "hots" together in the cordset...

    Jump the two "hots" together in the cordset somehow and and you won't have a problem later.
  20. Replies
    11$$
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    361

    The physics of how a delta system works and how a...

    The physics of how a delta system works and how a wye system works dictates that the delta will never have all three output leads at an equal voltage to a common point, as there is no natural common...
  21. Replies
    8$$
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    298

    A meter can be inserted in the "service...

    A meter can be inserted in the "service conductors" but the presence or absence of a meter doesn't dictate what is service and what isn't.

    Per the definition that Gus referred to - service...
  22. Replies
    12$$
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    439

    OP says the breaker has been tripping - seems to...

    OP says the breaker has been tripping - seems to me that tripping and resetting would "exercise" it.
  23. Replies
    25$$
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    476

    240.21(B) is titled "Feeder taps". The use of the...

    240.21(B) is titled "Feeder taps". The use of the word tap within that section is limited to feeder taps.

    The use of the word tap anywhere else reverts back to the standard dictionary definition...
  24. Replies
    53$$
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    1,232

    serious schedule may be a reason to cover one...

    serious schedule may be a reason to cover one side of a wall at times, yet leave other side open for other work and inspections.

    All new construction - probably not going to have "one side" all...
  25. Replies
    14$$
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    471

    You don't change efficiency or power factor...

    You don't change efficiency or power factor without redesigning the motor.

    Current varies depending on input voltage and output load. Efficiency and power factor will also change when voltage and...
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