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Forum: Electrical Calculations / Engineering

  1. Sticky Thread Sticky: Understanding the Neutral Conductor

    Started by LarryFine, 08-02-07 08:44 PM
    • Replies: 0
    • Views: 4,124
    08-02-07, 08:44 PM Go to last post
  2. Sticky Thread Moved: Read Before Posting: Forum Rules / Treatment of New Members

    Started by iwire, 10-30-08 05:03 PM
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  1. Fire Alarm Panel

    Started by Designer69, 12-22-16 03:04 PM
    • Replies: 6
    • Views: 893
    12-22-16, 04:16 PM Go to last post
  2. breaker schematic symbols

    Started by Aru, 12-19-16 03:15 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,879
    12-22-16, 11:50 AM Go to last post
  3. Service Conductor Size vs OCPD Size

    Started by MyCleveland, 12-21-16 03:37 PM
    • Replies: 4
    • Views: 783
    12-21-16, 06:56 PM Go to last post
  4. Service Calculation - NEC 220 or not

    Started by elec_eng, 12-21-16 01:50 PM
    • Replies: 6
    • Views: 1,677
    12-21-16, 05:47 PM Go to last post
  5. IEEE 1584 exception for transformers <125kVA

    Started by shoaib10, 12-16-16 04:15 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,655
    12-21-16, 10:19 AM Go to last post
  6. 15kv vs 2kv load break elbows

    Started by electrofelon, 12-20-16 03:52 PM
    • Replies: 4
    • Views: 876
    12-20-16, 10:11 PM Go to last post
  7. can we discuss nFet or pFet

    Started by FionaZuppa, 12-20-16 12:36 AM
    • Replies: 6
    • Views: 978
    12-20-16, 09:37 AM Go to last post
  8. Simple Voltage drop calc

    Started by ecohouse, 12-19-16 03:32 PM
    • Replies: 4
    • Views: 869
    12-20-16, 03:14 AM Go to last post
  9. Parallel or not

    Started by FionaZuppa, 12-19-16 08:34 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,266
    12-20-16, 12:03 AM Go to last post
  10. Sizing feeder for a chiller

    Started by Zapp20, 12-19-16 12:42 PM
    • Replies: 5
    • Views: 782
    12-19-16, 03:00 PM Go to last post
  11. Why "Shunt trip" breaker?

    Started by Open Neutral, 12-17-16 01:57 AM
    3 Pages
    1 2 3
    breaker, shunt
    • Replies: 26
    • Views: 4,691
    12-19-16, 11:37 AM Go to last post
  12. Article 408.4 and existing loads

    Started by JNMoffa, 12-16-16 10:49 AM
    • Replies: 4
    • Views: 890
    12-19-16, 08:16 AM Go to last post
    • Replies: 1
    • Views: 579
    12-19-16, 06:54 AM Go to last post
  13. Bus Tie

    Started by mstrlucky74, 12-17-16 10:01 PM
    • Replies: 7
    • Views: 871
    12-19-16, 05:55 AM Go to last post
  14. X/R ratio for transformers

    Started by mbrooke, 12-17-16 04:26 AM
    • Replies: 9
    • Views: 2,333
    12-18-16, 12:40 AM Go to last post
  15. Sizing Main service after sub panels - any derating possible?

    Started by bryanbdp, 12-10-16 12:22 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,290
    12-17-16, 09:36 PM Go to last post
  16. 480V well pump cable

    Started by mjmike, 12-15-16 11:06 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,109
    12-17-16, 02:10 PM Go to last post
  17. Quick calculations check

    Started by Fishn sparky, 11-22-16 06:08 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 3,073
    12-17-16, 01:56 PM Go to last post
  18. Breaker Trip Curves and Coordination

    Started by steve66, 12-15-16 12:32 PM
    • Replies: 7
    • Views: 951
    12-16-16, 08:58 PM Go to last post
  19. Circuit for Replacement HVAC System

    Started by Npstewart, 12-13-16 04:15 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 77
    • Views: 4,836
    12-16-16, 09:26 AM Go to last post

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