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  1. 120% rule and de-rating a zinsco main breaker

    Started by MJRobinson on 10-16-17
    • Replies: 1
    • Views: 294
    Last Post: 10-16-17 09:06 PM
    by jaggedben  Go to last post
  2. Backfeeding via multiple subpanels

    Started by Kg808 on 07-10-17
    2 Pages
    1 2
    solar
    • Replies: 19
    • Views: 1,185
    Last Post: 07-13-17 02:14 AM
    by Kg808  Go to last post
    • Replies: 2
    • Views: 648
    Last Post: 04-15-17 01:11 AM
    by buzzbar  Go to last post

    Forum:
    Lighting

    • Replies: 7
    • Views: 707
    Last Post: 03-14-17 11:07 AM
    by ggunn  Go to last post
  3. Neutral Between Delta Windings

    Started by That Man on 01-26-17
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,228
    Last Post: 01-28-17 03:19 PM
    by Electric-Light  Go to last post
  4. 320' from array to house AC or DC

    Started by ecohouse on 01-23-17
    4 Pages
    1 2 3 ... 4
    ac vs dc, solar, solaredge, voltage drop
    • Replies: 32
    • Views: 2,547
    Last Post: 01-28-17 11:37 PM
    by PWDickerson  Go to last post
  5. Commercial Rooftop NEC 2014 - 690.47(C) &(D)

    Started by pcanning87 on 01-05-17
    bonding, grounding, photvoltaic, solar
    • Replies: 4
    • Views: 865
    Last Post: 01-05-17 08:36 PM
    by pv_n00b  Go to last post
  6. New Solar Power System - Bus Rating Question

    Started by Jackbenimble7 on 12-08-16
    array, backfeed, bus sizing, panel, solar
    • Replies: 9
    • Views: 1,058
    Last Post: 12-11-16 11:57 AM
    by ggunn  Go to last post
  7. PF penalty of Solar building

    Started by mpcarnahan on 11-11-16
    3 Pages
    1 2 3
    capacitor, correction, power factor, solar
    • Replies: 22
    • Views: 3,115
    Last Post: 11-15-16 04:47 AM
    by GoldDigger  Go to last post
  8. High Voltage Fence Heights

    Started by jcrawford on 10-27-16
    3 Pages
    1 2 3
    fence, solar
    • Replies: 26
    • Views: 3,212
    Last Post: 11-02-16 12:04 PM
    by ggunn  Go to last post
  9. Parallel outputs of AC disconnects to load-side tap

    Started by deadshort on 10-13-16
    2 Pages
    1 2
    • Replies: 17
    • Views: 3,002
    Last Post: 10-25-16 11:27 PM
    by pv_n00b  Go to last post
  10. Arc flash studies for solar rooftops

    Started by BirenPE on 10-05-16
    arc flash, rooftop, solar
    • Replies: 4
    • Views: 1,487
    Last Post: 10-09-16 08:30 AM
    by Electric-Light  Go to last post

    Forum:
    Safety

  11. PV Load side taps

    Started by Bill K on 08-17-16
    backfeed, line side, load side, p v, solar
    • Replies: 4
    • Views: 1,036
    Last Post: 08-18-16 03:02 PM
    by Bill K  Go to last post
  12. Whats the deal with "Solar-Rated" transformers?

    Started by Matt Donovan on 05-23-16
    inverter sizing, solar, transformer, transformer sizing
    • Replies: 8
    • Views: 1,914
    Last Post: 05-25-16 10:27 AM
    by ggunn  Go to last post
  13. Solar inhibiting code interpretations

    Started by mpcarnahan on 05-06-16
    code, ibc, solar
    • Replies: 3
    • Views: 1,818
    Last Post: 05-17-16 12:00 PM
    by ggunn  Go to last post
  14. Subcombiner (4) to Final Combiner Voltage Drop Variations

    Started by AWinston on 10-30-15
    2 Pages
    1 2
    combiner, solar
    • Replies: 12
    • Views: 2,460
    Last Post: 10-31-15 12:06 PM
    by ggunn  Go to last post
  15. Breaker Sizing for Solar Project

    Started by AWinston on 10-21-15
    3 Pages
    1 2 3
    circuit breaker, combiner, solar
    • Replies: 28
    • Views: 4,437
    Last Post: 10-23-15 03:00 PM
    by ggunn  Go to last post
  16. Djd

    Started by djd on 08-02-15
    solar
    • Replies: 4
    • Views: 1,557
    Last Post: 08-02-15 11:42 PM
    by djd  Go to last post
  17. Powewall battery by Tesla

    Started by electro7 on 05-03-15
    3 Pages
    1 2 3
    battery, battery backup, solar
    • Replies: 20
    • Views: 6,219
    Last Post: 06-18-15 10:40 AM
    by PVfarmer  Go to last post
    • Replies: 4
    • Views: 2,860
    Last Post: 11-21-14 04:50 PM
    by brycenesbitt  Go to last post

    Forum:
    NEC

  18. NEC 225.31 for PV system at separate structure

    Started by efrntzl on 05-09-14
    225.31, disconnects, pv system, separate structure, solar
    • Replies: 6
    • Views: 3,173
    Last Post: 05-09-14 04:19 PM
    by efrntzl  Go to last post
    • Replies: 5
    • Views: 2,623
    Last Post: 03-07-14 01:20 AM
    by GoldDigger  Go to last post
  19. electroendosmosis

    Started by Jsim4109 on 01-30-13
    electroendosmosis, solar, underground wiring
    • Replies: 3
    • Views: 2,303
    Last Post: 02-01-13 10:40 AM
    by Jraef  Go to last post
    • Replies: 2
    • Views: 2,842
    Last Post: 01-07-13 09:09 PM
    by jaggedben  Go to last post
  20. Supply Side Connection for Residential SolarPV

    Started by rlamen on 09-25-12
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 11,024
    Last Post: 12-10-12 08:25 PM
    by Solar Scott  Go to last post
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