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    • Replies: 2
    • Views: 184
    Last Post: 11-08-17 08:54 PM
    by pv_n00b  Go to last post
  1. 480V in Residential

    Started by Castrovinci on 11-08-17
    480v, residential, transformer
    • Replies: 3
    • Views: 293
    Last Post: 11-08-17 06:48 AM
    by electrofelon  Go to last post

    Forum:
    NEC

    • Replies: 12
    • Views: 685
    Last Post: 10-05-17 09:55 PM
    by steve66  Go to last post
  2. Generator connecion to transformer

    Started by pablodjv on 09-02-17
    generator, nec, protection, switchgear, transformer
    • Replies: 4
    • Views: 452
    Last Post: 09-03-17 09:18 PM
    by Ingenieur  Go to last post
  3. Transformer Nameplate

    Started by OCPD on 07-22-17
    • Replies: 5
    • Views: 463
    Last Post: 07-22-17 12:37 PM
    by Ingenieur  Go to last post
  4. Reverse-feeding this transformer

    Started by Cannonmn on 07-08-17
    2 Pages
    1 2
    480v., ground, transformer
    • Replies: 12
    • Views: 996
    Last Post: 07-10-17 12:55 PM
    by Jraef  Go to last post
  5. Transformer Feed Point

    Started by Mr. Pickle on 06-02-17
    feed, harmonic, primary, size, transformer
    • Replies: 7
    • Views: 542
    Last Post: 06-03-17 11:11 AM
    by Fnewman  Go to last post
  6. Transformer Terminal Ratings

    Started by ryangittens on 03-30-17
    • Replies: 5
    • Views: 798
    Last Post: 03-31-17 01:14 PM
    by ryangittens  Go to last post
  7. 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: 1,086
    Last Post: 03-31-17 08:00 PM
    by Jraef  Go to last post
  8. 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: 1,479
    Last Post: 03-29-17 10:26 PM
    by Smart $  Go to last post
  9. EGC as GEC (for xfrmr in MCC)

    Started by amatsu42 on 02-14-17
    egc, gec, ground, grounding electrode, transformer
    • Replies: 4
    • Views: 894
    Last Post: 02-15-17 01:35 PM
    by amatsu42  Go to last post
  10. Grounding a Transformer

    Started by rancho5000 on 01-06-17
    • Replies: 6
    • Views: 981
    Last Post: 01-07-17 06:43 PM
    by MattS87  Go to last post
  11. Overhead/Pole-Mounted Transformer Sizing for dwelling units.

    Started by Frank A on 11-29-16
    2 Pages
    1 2
    • Replies: 12
    • Views: 1,749
    Last Post: 12-02-16 08:35 AM
    by kwired  Go to last post
  12. 240/480 Transformer for 277/480 Generator

    Started by machodelmonte on 11-22-16
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,896
    Last Post: 11-26-16 03:05 PM
    by Saturn_Europa  Go to last post
  13. Load reading - INCONSISTENCY

    Started by melvinkoshy on 11-07-16
    tap changing, transformer
    • Replies: 6
    • Views: 977
    Last Post: 11-07-16 01:12 PM
    by Jraef  Go to last post
  14. 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: 1,382
    Last Post: 09-30-16 06:12 PM
    by Smart $  Go to last post

    Forum:
    NEC

  15. Feeding a tranformer

    Started by JaxELectric on 09-16-16
    commercial electric, service entrance, transformer
    • Replies: 2
    • Views: 1,152
    Last Post: 09-24-16 05:12 PM
    by JaxELectric  Go to last post
  16. 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
    • Replies: 0
    • Views: 1,198
    Last Post: 03-15-16 01:44 PM
    by ciupol  Go to last post

    Forum:
    NEC

    • Replies: 1
    • Views: 1,176
    Last Post: 03-12-16 03:05 PM
    by Dennis Alwon  Go to last post
    • Replies: 7
    • Views: 1,748
    Last Post: 03-14-16 12:23 AM
    by Samardas  Go to last post
  17. TRANSFORMER AND MAIN PANEL GROUNDING

    Started by AWinston on 02-23-16
    • Replies: 6
    • Views: 1,865
    Last Post: 02-23-16 03:59 PM
    by dkidd  Go to last post
  18. Taps supplying a transformer(primary and secondary)

    Started by leon2012 on 12-30-15
    taps, transformer
    • Replies: 7
    • Views: 2,010
    Last Post: 01-04-16 06:59 PM
    by Iron_Ben  Go to last post

    Forum:
    NEC

  19. 480VAC transformer used at 380VAC

    Started by hublanc on 10-15-15
    low voltage, transformer
    • Replies: 4
    • Views: 2,068
    Last Post: 10-15-15 09:10 AM
    by gar  Go to last post
  20. Feeding a 600V primary transformer from 480V source okay?

    Started by ElectricNewEngland on 09-23-15
    boost, buck, transformer
    • Replies: 3
    • Views: 1,856
    Last Post: 09-28-15 09:55 AM
    by Tony S  Go to last post
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