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Type: Posts; User: sketchy

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  1. Replies
    9$$
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    1,137

    Yeah, mounted on strut which is secured to the...

    Yeah, mounted on strut which is secured to the array.
  2. Replies
    9$$
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    1,137

    I know what my options are, I don't want to...

    I know what my options are, I don't want to change what's been installed already. And prove him wrong... Once again, one inspector says no and most others allow this set up. We will run a short piece...
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    9$$
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    1,137

    690.31(C)(1) says single conductors can be...

    690.31(C)(1) says single conductors can be exposed and shall follow 338.10(B)(4)(b) (treat them like SE cable) and 334.30 (treat them like NM cable which doesn't apply here). 338.10(B)(4)(b) says...
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    9$$
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    1,137

    Running PV wire from ground mount to inverter

    I've got an inspector who's being difficult. On our ground mount setup we're running PV wire directly from the final Amphenol/MC 4 connection into the inverter. I installed 1" EMT to sleeve the wires...
  5. Replies
    4$$
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    827

    We switched exclusively to sola-decks with...

    We switched exclusively to sola-decks with terminal blocks installed on the din rail for both AC and DC terminations. Found too many bad wirenut connections. Pay more now vs later.
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    44$$
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    3,259

    Can you direct me to the code section that states...

    Can you direct me to the code section that states this?
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    44$$
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    3,259

    705.12 (D) question

    If I am backfeeding a subpanel and follow the rules for that interconnection, do all connections made upstream of the subpanel need to follow the same rules? I.E. does the subpanel feed breaker in...
  8. Replies
    2$$
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    660

    690.13(B) for Utility Interactive Inverters

    On an AC disconnect for a utility interactive inverter, where power ceases upon loss of grid power, is the disconnect considered to have "the line and load terminals ... energized in the open...
  9. I should've specified on AC disconnects.

    I should've specified on AC disconnects.
  10. Remove the required label that states "terminals...

    Remove the required label that states "terminals on the line and load may be energized in the open position" for utility interactive inverters. No they won't.
  11. Replies
    4$$
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    717

    I was talking about the "inverter output...

    I was talking about the "inverter output connection do not relocate this device" label.
  12. Replies
    7$$
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    1,370

    How to back feed a 1200 amp service

    We're trying to land some larger projects and I'm trying to figure out how to back feed gear with ground fault protection. Or is it not feasible to back feed and you must do a line tap? Thanks.
  13. Replies
    4$$
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    717

    Back feeding through transformers

    Do the same rules apply to the primary side of a transformer as the secondary when back feeding PV? Say you have a 208 volt panel that is back fed by a PV system. This panel is fed from a 30 kva...
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    4$$
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    810

    Meter label options

    Looking for ideas for labels that read "PV Production Meter" and "House Meter". I currently have some but my stock is running low and I'm having trouble replenishing with factory made stickers. Don't...
  15. Replies
    45$$
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    4,513

    I'm dealing with the 14 code. The reason for...

    I'm dealing with the 14 code. The reason for feeding 40 meters instead of just the house meter has to do with rebate money. These will be considered taps as they are on the load side of each units...
  16. Replies
    45$$
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    4,513

    I see both sides. The pv output is 7 amps. Would...

    I see both sides. The pv output is 7 amps. Would it be any different if each system was back fed at the panel in each apartment? I don't think it makes any difference.
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    45$$
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    4,513

    The inspector sees it as back feeding each meter...

    The inspector sees it as back feeding each meter individually, not the system as a whole.
  18. Replies
    45$$
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    4,513

    The meter bank will be a Siemens WMM52125RJB. The...

    The meter bank will be a Siemens WMM52125RJB. The entire bank is fed from a 1200 or 1600 amp main, not sure which. The section that contains the meter is all factory buss bar, no field connections...
  19. Replies
    45$$
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    4,513

    Yes, each tap will terminate in a fused...

    Yes, each tap will terminate in a fused disconnect next to the meters. So if I understand 376.22(A) and 376.56(A) right, I can't go over 75% fill with my polaris lugs but it drops to 20% if there are...
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    45$$
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    4,513

    Splicing in a meter bank

    First of all, it is my understanding that the wireway section of a meter bank is considered a panelboard. Based on this, is it OK to splice the SER cable inside the wireway? We've got a 40 unit...
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    3$$
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    1,318

    Anyone? Bueller?

    Anyone? Bueller?
  22. Replies
    3$$
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    1,318

    690.31(G)(1) interpretation

    I know in the 2011 code there was a section removed and relocated to 690.31(G)(1) that required DC PV source conductors run under the roof sheathing and not directly underneath modules had to be at...
  23. Thread: GEC Required?

    by sketchy
    Replies
    9$$
    Views
    2,241

    We've discussed the issue of how bad the #6 can...

    We've discussed the issue of how bad the #6 can look when exposed on the side of a house, granted we try to hide it when we can. That said, we will do a combo EGC/GEC #6 in the PV conduit and use...
  24. Thread: GEC Required?

    by sketchy
    Replies
    9$$
    Views
    2,241

    I'm not sure, maybe they see an available...

    I'm not sure, maybe they see an available terminal and think I need to use it? I always used one with traditional string inverters so they just assumed one was needed, as did I. Also had one...
  25. Thread: GEC Required?

    by sketchy
    Replies
    9$$
    Views
    2,241

    So the inverter doesn't need a GEC. Inspectors I...

    So the inverter doesn't need a GEC. Inspectors I deal with are requiring one when we use solaredge. I'll see if I can sway them to change their opinion. And you're saying 690.47(D) will be optional...
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