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Forum: Electrical Calculations / Engineering

  1. Sticky Thread Moved: Read Before Posting: Forum Rules / Treatment of New Members

    Started by iwire, 10-30-08 04:03 PM
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  1. energy efficiany versus less usage

    Started by KasseemF, 08-12-10 01:20 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,287
    08-13-10, 11:00 PM Go to last post
  2. 5000 KVA, Sub lose at 50 %

    Started by Johnny Johnson, 08-13-10 01:50 PM
    • Replies: 8
    • Views: 1,608
    08-13-10, 09:22 PM Go to last post
    • Replies: 4
    • Views: 2,431
    08-13-10, 08:16 PM Go to last post
  3. 30 A contactor on 40A circuit

    Started by steve66, 08-12-10 09:42 AM
    • Replies: 6
    • Views: 1,344
    08-13-10, 07:07 PM Go to last post
    • Replies: 1
    • Views: 1,134
    08-13-10, 06:12 PM Go to last post
  4. Current Limiter Solutions For Track Lighting

    Started by kerajam, 07-19-10 08:02 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 4,711
    08-13-10, 03:50 PM Go to last post
  5. Moved: Substation Lose Question

    Started by Johnny Johnson, 08-13-10 03:09 PM
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  6. Moved: New change in 2008 NEC 210.4(B)

    Started by powersoft, 08-13-10 03:05 PM
    nec 210.4
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  7. Make ice or buy it?

    Started by chris kennedy, 08-08-10 05:20 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 48
    • Views: 12,408
    08-13-10, 02:22 PM Go to last post
  8. Arc Flash Label

    Started by aharrigan, 08-10-10 11:39 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,611
    08-12-10, 10:41 PM Go to last post
  9. Overcurrent Fault Sensing

    Started by JHelms, 08-11-10 08:37 PM
    • Replies: 3
    • Views: 876
    08-12-10, 04:02 PM Go to last post
  10. 24VDC switched indicating light powered by 120VAC

    Started by Designer69, 08-06-10 05:06 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,917
    08-12-10, 03:12 PM Go to last post
  11. 1 ph motor

    Started by ptonsparky, 08-12-10 12:13 PM
    • Replies: 3
    • Views: 798
    08-12-10, 01:48 PM Go to last post
  12. encasing UG duct w/ rebar or metal ring

    Started by DENVER STEVE, 08-12-10 08:55 AM
    • Replies: 1
    • Views: 1,158
    08-12-10, 10:49 AM Go to last post
  13. Xformer question

    Started by mjr10, 08-10-10 07:20 PM
    • Replies: 9
    • Views: 2,232
    08-12-10, 09:43 AM Go to last post
  14. Neher-Mcgrath Calculation limitation

    Started by Andrew445, 08-11-10 01:55 PM
    • Replies: 3
    • Views: 1,604
    08-12-10, 09:42 AM Go to last post
  15. Control transformer size

    Started by Pitt123, 08-12-10 06:45 AM
    • Replies: 2
    • Views: 2,677
    08-12-10, 08:13 AM Go to last post
  16. scissor lifts

    Started by ronball, 08-11-10 07:12 PM
    • Replies: 2
    • Views: 991
    08-11-10, 08:25 PM Go to last post
  17. Poll Poll: Number of receptacles

    Started by Caesium, 08-09-10 09:06 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 30
    • Views: 6,253
    08-11-10, 07:51 PM Go to last post
  18. Cool motor short

    Started by dshelley, 08-03-10 04:12 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,804
    08-11-10, 06:24 PM Go to last post

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