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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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    • Replies: 24
    • Views: 3,894
    03-21-12, 01:40 PM Go to last post
    • Replies: 18
    • Views: 16,779
    03-21-12, 11:54 AM Go to last post
  1. 2 hour rated Emergency Feeders

    Started by mshields, 03-19-12 01:03 PM
    • Replies: 2
    • Views: 1,015
    03-21-12, 11:06 AM Go to last post
  2. No MCA or MOP on name plate

    Started by Dbronx, 03-13-12 04:33 AM
    • Replies: 8
    • Views: 2,530
    03-21-12, 09:59 AM Go to last post
  3. Metal Halide color

    Started by John120/240, 03-20-12 01:02 PM
    • Replies: 5
    • Views: 1,623
    03-20-12, 11:49 PM Go to last post
  4. 240 3ph ->480 Xfmr

    Started by Open Neutral, 03-19-12 02:59 AM
    4 Pages
    1 2 3 ... 4
    3 ph, delta, neutral, wye
    • Replies: 31
    • Views: 12,877
    03-20-12, 08:31 PM Go to last post
  5. Derating Wire Ampacity

    Started by Harry H, 03-19-12 06:36 PM
    • Replies: 8
    • Views: 3,340
    03-20-12, 01:11 PM Go to last post
  6. Well Duh!

    Started by rattus, 03-03-12 03:55 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 4,857
    03-20-12, 02:18 AM Go to last post
  7. Cutler Hammer CH 15 amp GFCI breaker

    Started by Greg1707, 03-18-12 01:44 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 5,763
    03-20-12, 12:14 AM Go to last post
  8. software

    Started by couzer1023, 03-19-12 11:06 PM
    • Replies: 0
    • Views: 609
    03-19-12, 11:06 PM Go to last post
    • Replies: 6
    • Views: 17,187
    03-19-12, 07:13 PM Go to last post
  9. hvac contactor

    Started by mmas0n, 03-16-12 06:46 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 50
    • Views: 8,452
    03-19-12, 12:11 PM Go to last post
  10. Service Calculations and Article 220.87

    Started by Joe S., 03-14-12 12:30 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 6,046
    03-19-12, 12:10 PM Go to last post
  11. Article 220

    Started by Manoah, 03-19-12 11:57 AM
    • Replies: 1
    • Views: 698
    03-19-12, 12:02 PM Go to last post
  12. Equipment Classifications

    Started by DMG_1, 03-17-12 02:57 PM
    • Replies: 5
    • Views: 2,375
    03-19-12, 10:41 AM Go to last post
  13. Jam Ratio

    Started by timm333, 03-16-12 02:23 PM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 10,362
    03-18-12, 09:04 PM Go to last post
  14. Coil fuse in elevator control blowing out too often

    Started by PetrosA, 01-23-12 02:31 PM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 5,461
    03-18-12, 03:26 PM Go to last post
  15. Plugging 30 amp flexible cord into 50 amp outlet

    Started by Davebones, 03-15-12 07:28 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 36
    • Views: 5,598
    03-18-12, 01:34 PM Go to last post
  16. Opinions, 2/0 or 3/0?

    Started by joelj, 03-14-12 12:10 AM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 3,931
    03-16-12, 10:26 PM Go to last post
  17. Wye phase

    Started by Triton7, 03-15-12 12:37 AM
    • Replies: 5
    • Views: 1,058
    03-15-12, 09:23 PM Go to last post

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