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  1. Transformer Terminal Ratings

    Started by ryangittens on 03-30-17
    • Replies: 5
    • Views: 490
    Last Post: 03-31-17 12:14 PM
    by ryangittens  Go to last post
  2. Triplen Harmonics, 5th Harmonic, Drive Isolation Xfmr, Generator

    Started by spraymax6 on 03-30-17
    2 Pages
    1 2
    automatic transfer switch, drive isolation, harmonic, transformer
    • Replies: 14
    • Views: 643
    Last Post: 03-31-17 07:00 PM
    by Jraef  Go to last post
  3. Transformer Neutral required for Inverter Interconnection?

    Started by SunFish on 03-28-17
    2 Pages
    1 2
    delta, high leg, neutral, solar transformer, transformer
    • Replies: 16
    • Views: 771
    Last Post: 03-29-17 09:26 PM
    by Smart $  Go to last post
  4. EGC as GEC (for xfrmr in MCC)

    Started by amatsu42 on 02-14-17
    egc, gec, ground, grounding electrode, transformer
    • Replies: 4
    • Views: 572
    Last Post: 02-15-17 01:35 PM
    by amatsu42  Go to last post
  5. Grounding a Transformer

    Started by rancho5000 on 01-06-17
    • Replies: 6
    • Views: 642
    Last Post: 01-07-17 06:43 PM
    by MattS87  Go to last post
  6. Overhead/Pole-Mounted Transformer Sizing for dwelling units.

    Started by Frank A on 11-29-16
    2 Pages
    1 2
    • Replies: 12
    • Views: 1,221
    Last Post: 12-02-16 08:35 AM
    by kwired  Go to last post
  7. 240/480 Transformer for 277/480 Generator

    Started by machodelmonte on 11-22-16
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,321
    Last Post: 11-26-16 03:05 PM
    by Saturn_Europa  Go to last post
  8. Load reading - INCONSISTENCY

    Started by melvinkoshy on 11-07-16
    tap changing, transformer
    • Replies: 6
    • Views: 705
    Last Post: 11-07-16 01:12 PM
    by Jraef  Go to last post
  9. Secondary conductors from a feeder-tapped transformer- 240.21(c)(4)

    Started by riverjig87 on 09-30-16
    2 Pages
    1 2
    • Replies: 10
    • Views: 976
    Last Post: 09-30-16 05:12 PM
    by Smart $  Go to last post

    Forum:
    NEC

  10. Feeding a tranformer

    Started by JaxELectric on 09-16-16
    commercial electric, service entrance, transformer
    • Replies: 2
    • Views: 926
    Last Post: 09-24-16 04:12 PM
    by JaxELectric  Go to last post
  11. Whats the deal with "Solar-Rated" transformers?

    Started by Matt Donovan on 05-23-16
    inverter sizing, solar, transformer, transformer sizing
    • Replies: 8
    • Views: 1,517
    Last Post: 05-25-16 09:27 AM
    by ggunn  Go to last post
    • Replies: 0
    • Views: 1,009
    Last Post: 03-15-16 12:44 PM
    by ciupol  Go to last post

    Forum:
    NEC

    • Replies: 1
    • Views: 996
    Last Post: 03-12-16 03:05 PM
    by Dennis Alwon  Go to last post
    • Replies: 7
    • Views: 1,440
    Last Post: 03-13-16 11:23 PM
    by Samardas  Go to last post
  12. TRANSFORMER AND MAIN PANEL GROUNDING

    Started by AWinston on 02-23-16
    • Replies: 6
    • Views: 1,530
    Last Post: 02-23-16 03:59 PM
    by dkidd  Go to last post
  13. Taps supplying a transformer(primary and secondary)

    Started by leon2012 on 12-30-15
    taps, transformer
    • Replies: 7
    • Views: 1,593
    Last Post: 01-04-16 06:59 PM
    by Iron_Ben  Go to last post

    Forum:
    NEC

  14. 480VAC transformer used at 380VAC

    Started by hublanc on 10-15-15
    low voltage, transformer
    • Replies: 4
    • Views: 1,833
    Last Post: 10-15-15 08:10 AM
    by gar  Go to last post
  15. Feeding a 600V primary transformer from 480V source okay?

    Started by ElectricNewEngland on 09-23-15
    boost, buck, transformer
    • Replies: 3
    • Views: 1,648
    Last Post: 09-28-15 08:55 AM
    by Tony S  Go to last post
  16. Is KW really KW?

    Started by 11bgrunt on 03-26-15
    meter, poco, primary, transformer
    • Replies: 7
    • Views: 2,260
    Last Post: 03-29-15 05:25 PM
    by big john  Go to last post
    • Replies: 3
    • Views: 1,797
    Last Post: 03-26-15 09:55 PM
    by GoldDigger  Go to last post
  17. Inrush current/"Bounce back" voltage 120/12v landscape transformer

    Started by grasfulls on 03-04-15
    8 Pages
    1 2 3 ... 8
    • Replies: 70
    • Views: 9,808
    Last Post: 03-29-15 04:16 PM
    by gar  Go to last post

    Forum:
    Lighting

    • Replies: 4
    • Views: 1,963
    Last Post: 02-27-15 10:47 PM
    by 11bgrunt  Go to last post
  18. YY Transformer with lost phase on the primary side

    Started by coop3339 on 02-21-15
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 6,413
    Last Post: 03-05-15 03:45 AM
    by Haji  Go to last post
  19. Step Down Transformer Secondary Conductors

    Started by BRYAN AMBROGIO on 12-30-14
    secondary conductors, step down, transformer
    • Replies: 5
    • Views: 2,291
    Last Post: 12-31-14 10:51 AM
    by BRYAN AMBROGIO  Go to last post
  20. Double tap transformer?

    Started by greenspark1 on 07-14-14
    tap, transformer
    • Replies: 2
    • Views: 3,176
    Last Post: 07-14-14 03:00 PM
    by greenspark1  Go to last post

    Forum:
    NEC

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