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  1. Thread: Engineer vs EC

    by tortuga
    Replies
    10$$
    Views
    787

    Yeah you might be right. I got slightly motivated...

    Yeah you might be right. I got slightly motivated to glaze over some fine print.
    Check your fine print or ask your agent, I am sure policies are all different, our contractors policy only covers 5...
  2. Thread: Engineer vs EC

    by tortuga
    Replies
    10$$
    Views
    787

    :thumbsup: Thats what I would do. Standard...

    :thumbsup: Thats what I would do.



    Standard contractors liability insurance does not cover "Professional Liability" for any 'design build' work. The key there is 'design'. Your not insured as a...
  3. Thread: EM Inv.

    by tortuga
    Replies
    6$$
    Views
    440

    See 700.10(B)

    See 700.10(B)
  4. Thread: Bay Lighting

    by tortuga
    Replies
    8$$
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    1,691

    Those are indeed cool systems we service a number...

    Those are indeed cool systems we service a number of retail places that originally had them, but a bit of a headache to get a simple time clock or occupancy sensor hooked in to one of those pulse...
  5. Thanks Larry these look good...

    Thanks Larry these look good
    http://gmlighting.net/24VDC_SlimEdge_Modular_Lighter
  6. Residential cabinet lighting recommendations?

    Greetings all I am curious what you all are using or specifying for in cabinet lighting these days.
    I am looking for something in particular that can be controlled on its low voltage side by a low...
  7. So your going to make me look back in time:...

    So your going to make me look back in time:
    https://forums.mikeholt.com/showthread.php?t=177794&p=1751745#post1751745
    it was iwire thanks for that tip iwire.
  8. Replies
    5$$
    Views
    467

    I'll chime in that you could also use a VFD, we...

    I'll chime in that you could also use a VFD, we commonly do.
    I see 415Y230V 50hz equipment often enough.
    If they can ship it 60HZ or if its mostly a resistive load (like semi conductor oven) you...
  9. Thats a good solution. It comes up quite often...

    Thats a good solution. It comes up quite often for us, I believe it was Larry or someone on here that turned me on to http://www.sillites.com/newconstruction.php
    Another option is to hide plug mold,...
  10. Thread: 230.40

    by tortuga
    Replies
    5$$
    Views
    834

    230.70(A)(1)

    Seems like 2014 230.70(A)(1) would not be met as it shows the service conductors traveling a distance thru the building. Tenant C does not have access to service disconnect? 2014 230.72(C)
    Also do...
  11. Replies
    121$$
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    7,807

    The question you all seem to be debating is...

    The question you all seem to be debating is should UL standards drive the NEC
    or should the NEC drive the UL and other construction & performance of equipment standards?

    The NEC used to cover the...
  12. Replies
    5$$
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    624

    I would guess an EV charger will run at night, or...

    I would guess an EV charger will run at night, or could be programmed to or monitor the mains via a smart meter and only run at max when likelihood of other residential loads is nill, and thus would...
  13. Thread: 230.71(A)

    by tortuga
    Replies
    48$$
    Views
    4,516

    I am skeptical that the requirement for a single...

    I am skeptical that the requirement for a single main disconnecting means will enhance the safety of services.
    No incident reports were mentioned, like with AFCI's there were tons of residential...
  14. Thread: 230.71(A)

    by tortuga
    Replies
    48$$
    Views
    4,516

    Well I took a look at the new version of IEEE...

    Well I took a look at the new version of IEEE 1584-2018 today and section 4.11 states:


    I remain skeptical.
  15. Replies
    7$$
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    1,202

    Sounds like a 300A service. We usually run...

    Sounds like a 300A service. We usually run Aluminum for service entrance conductors and CU for the grounding electrode conductor, for a 300A residential 350kCMIL Al service conductors and #2 CU GEC....
  16. Replies
    7$$
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    897

    I agree with the others that this should have a...

    I agree with the others that this should have a #4 to the new main disconnect, however If you cant trace the old main bond wire all the way to the pipe I would leave it connected on one end. The...
  17. Thread: 230.71(A)

    by tortuga
    Replies
    48$$
    Views
    4,516

    Thats interesting, again I wonder why and if...

    Thats interesting, again I wonder why and if there is an outbreak of single phase accidents or something?
    I am not on the 1584-2018 yet. I wonder what the Basic Equation formula they published for...
  18. Thread: 230.71(A)

    by tortuga
    Replies
    48$$
    Views
    4,516

    Ahhh then there should be an exception for single...

    Ahhh then there should be an exception for single phase equipment as there is not even an IEEE guide for that, or at least exempt 240 V and below unless it involves at least one 125 kVA or larger low...
  19. Thread: Dimming Wires

    by tortuga
    Replies
    41$$
    Views
    5,244

    Sometimes I feel like I am running out of colors.

    Sometimes I feel like I am running out of colors.
  20. Thread: Temp power

    by tortuga
    Replies
    26$$
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    1,736

    Yep I agree :thumbsup:

    Yep I agree :thumbsup:
  21. Thread: Temp power

    by tortuga
    Replies
    26$$
    Views
    1,736

    210.8 should be amended to only require (RCD) UL...

    210.8 should be amended to only require (RCD) UL Class B GFCI protection (30ma) for 120/240V single phase 30-50A receptacles. As most are actually 'feeders' in a sense. A 5ma ground-fault on a 120V...
  22. Thread: CADWELD & PGE

    by tortuga
    Replies
    11$$
    Views
    1,624

    :thumbsup:

    :thumbsup:
  23. Outside feeder minimum rating and size [225.5]

    Greetings all;
    Does 225 modify and supersede 215 for a outside feeder minimum rating and size?
    Or does 225 just add requirements to 215?

    In this scenario assume we have a farm pole; service,...
  24. Thread: Dimming Wires

    by tortuga
    Replies
    41$$
    Views
    5,244

    We use 18 AWG Stranded TFFN, pulled in with power...

    We use 18 AWG Stranded TFFN, pulled in with power conductors in conduit:
    https://www.encorewire.com/wp-content/uploads/EncoreWire-TFFN.pdf
    Its rated 600V, and listed under 725.49(B)

    I would...
  25. Rat traps I like that. I have been insisting...

    Rat traps I like that.
    I have been insisting that our guys secure that junction box.
    However they point out the installation instructions say its optional.
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