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Type: Posts; User: kbsparky

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  1. Square D Arc-fault and GFI breakers are not rated...

    Square D Arc-fault and GFI breakers are not rated for more than 1 conductor on their terminals.

    Only their standard breakers 30 Amps or less have the dual terminal capacity.
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    Or a bad/open neutral on a multi-wire circuit. ...

    Or a bad/open neutral on a multi-wire circuit. Ballasts may appear to be still working, but may be cooking inside ... (did you check the voltage?)
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    With the load conductors detached, and the...

    With the load conductors detached, and the breaker still trips = bad breaker.

    I have had that problem occur more often with AFCI breakers than with GFCI breakers.
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    I've never seen a loose device where it was...

    I've never seen a loose device where it was bolted to the cover. However, I have seen many loose devices where they were merely attached with a plate screw, without a nut on the back side. The old...
  5. Here's another one that takes the cake: IF I...

    Here's another one that takes the cake:

    IF I have a branch circuit with #6 conductors on a 60 Amp breaker, then I need a #10 EGC.

    Take that same circuit, but put it on a 20 Amp breaker, and now...
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    The have smaller sized ECGs in Canada. I wonder...

    The have smaller sized ECGs in Canada. I wonder if the laws of physics are different, the further North you go?? :blink:
  7. I find it's absurd to prohibit undercabinet...

    I find it's absurd to prohibit undercabinet lighting to be connected to SABCs. It's perfectly acceptable to PLUG THEM INTO an outlet, but if I want to permanently wire one up, I need a different...
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    Initial follow-up

    Went over to the jobsite yesterday, to install the diode.

    Lo and behold the danged thing was WORKING fine!

    So for now, no diode.

    The only thing I can fathom at this point is there must...
  9. Use fixtures with universal ballasts rated for...

    Use fixtures with universal ballasts rated for any voltage from 120 to 277. No brainer.
  10. Why can't the wire manufacturers imprint the...

    Why can't the wire manufacturers imprint the footage on the wire? They do this with CAT-5 wire. Why not on romex or THHN?
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    The zwave unit and wireless functions are working...

    The zwave unit and wireless functions are working just fine.

    This is the aux (3-way) switch that is acting up. It is NOT wireless, but relies on the connection of one of the travelers to send a...
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    I have not done it yet. I believe it would be in...

    I have not done it yet. I believe it would be in series with the traveller that has been reassigned to carry the signal from the aux switch to the master unit.

    I still need to procure a diode and...
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    Z-wave switch problems

    I installed a pair of Zwave switches today: A "master" and "slave" unit. They replaced an existing set of 3-way switches.

    Here is where things got weird: The slave unit would not work part of...
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    Replace the 200 Amp breaker with a 100 Amp...

    Replace the 200 Amp breaker with a 100 Amp breaker.

    Same equipment.

    No brainer.

    http://ecx.images-amazon.com/images/I/81jynjyVm6L._SL1500_.jpg
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    In many states, there are consumer protections in...

    In many states, there are consumer protections in place. In Virginia, for example, there is a contractor recovery fund which consumers can apply for when dishonest contractors "take the money and...
  16. Thread: Load Sheding

    by kbsparky
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    Or we would interrupt the control wiring with a...

    Or we would interrupt the control wiring with a simple "ice cube" type plug-in relay.

    That's how we locked out 20 kW of electric strip heat on a geo-thermal system.
  17. Thread: Load Sheding

    by kbsparky
    Replies
    20$$
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    We have also installed aux contacts that lock out...

    We have also installed aux contacts that lock out non-essential loads from operating at all while on standby operation.

    Like a decorative fountain pump, for example.

    Or a hot tub.

    Things...
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    We employ load-shedding on most every generator...

    We employ load-shedding on most every generator installation these days. Most of it involves electric heat pumps. The generator can usually handle the compressors just fine, but when you add in an...
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    What's the diameter of the "circle" ??

    What's the diameter of the "circle" ??
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    I have used a 200 Amp meter/main or feed-thru and...

    I have used a 200 Amp meter/main or feed-thru and changed the main breaker to a 100 Amp on some projects.

    Same box, no muss, no fuss.

    -KB
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    I would, if the loads have not changed...

    I would, if the loads have not changed significantly.



    I would not think so, but your mileage may vary, depending on your inspector-critter. :roll:
  22. Thread: AFCI's

    by kbsparky
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    Except in Delaware. AFCI prohibited there on...

    Except in Delaware. AFCI prohibited there on smokes.
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    Usually, gas engines have a lower hp rating on...

    Usually, gas engines have a lower hp rating on natural gas than with propane.

    Something is not right, with a lower rating on LP gas ....
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    You could as a response send them a .pdf of a...

    You could as a response send them a .pdf of a "notice of intent to file a lien" .... :ohmy:

    It works both ways. ;)
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    Been there, done that. I remember rough-wiring a...

    Been there, done that. I remember rough-wiring a house in winter several years ago, and the sheath kept cracking open. 10/3 was the worst offender.

    Finally packed it in, and called it a day,...
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