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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 05:03 PM
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  1. Service size and 240.4B

    Started by florida-sparkey, 09-19-17 05:04 PM
    • Replies: 3
    • Views: 242
    09-19-17, 05:32 PM Go to last post
  2. Cable Integrity Testing

    Started by Shells, 09-19-17 09:18 AM
    • Replies: 3
    • Views: 242
    09-19-17, 03:22 PM Go to last post
  3. Large Well Pump on VFD

    Started by adamscb, 09-14-17 07:45 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 38
    • Views: 1,927
    09-19-17, 03:03 PM Go to last post
  4. RF/spark?

    Started by ptonsparky, 09-19-17 02:04 PM
    • Replies: 3
    • Views: 194
    09-19-17, 02:24 PM Go to last post
  5. tap 120V off 240V

    Started by Designer69, 09-19-17 01:26 PM
    • Replies: 3
    • Views: 248
    09-19-17, 02:10 PM Go to last post
  6. sub panel syst grounding

    Started by Toros, 09-19-17 08:35 AM
    • Replies: 1
    • Views: 174
    09-19-17, 09:07 AM Go to last post
  7. Why?

    Started by oldsparky52, 09-17-17 07:41 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 856
    09-18-17, 04:26 PM Go to last post
  8. PDP/Switch Board Age

    Started by fraymond, 09-11-17 09:25 PM
    • Replies: 8
    • Views: 570
    09-16-17, 01:11 PM Go to last post
  9. AC formulae and power analysis etc

    Started by pg1995, 09-10-17 07:10 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 806
    09-15-17, 12:25 PM Go to last post
    • Replies: 9
    • Views: 486
    09-15-17, 09:09 AM Go to last post
  10. Arc Flash calculations

    Started by OCPD, 09-13-17 12:55 AM
    arc fault mitigation, arc fault study, arc-flash, line-neutral
    • Replies: 4
    • Views: 449
    09-15-17, 08:26 AM Go to last post
    • Replies: 8
    • Views: 591
    09-14-17, 10:16 AM Go to last post
    • Replies: 2
    • Views: 404
    09-14-17, 09:43 AM Go to last post
  11. Motor Starting Voltage Drop

    Started by Electriman, 09-13-17 01:42 PM
    • Replies: 9
    • Views: 607
    09-14-17, 06:52 AM Go to last post
  12. 480 to 600 Transformer help - for testing a system

    Started by emiller233, 09-07-17 02:37 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 34
    • Views: 1,280
    09-13-17, 09:50 PM Go to last post
  13. VFD MODELING FOR SKM POWER TOOLS

    Started by engineerintraining12, 09-09-17 08:28 PM
    • Replies: 4
    • Views: 482
    09-11-17, 04:29 PM Go to last post
  14. lead times in the wake of Harvey

    Started by mshields, 09-04-17 08:41 PM
    • Replies: 9
    • Views: 741
    09-11-17, 02:31 PM Go to last post
  15. VFD Multi Motor Input Conductor Size

    Started by Mike01, 09-11-17 12:08 PM
    • Replies: 3
    • Views: 236
    09-11-17, 01:27 PM Go to last post
  16. Electric Baseboard Heat Calculation

    Started by mkgrady, 09-06-17 07:40 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 1,398
    09-11-17, 09:56 AM Go to last post
  17. What is the point of service factor?

    Started by Electric-Light, 09-06-17 06:17 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 641
    09-11-17, 12:14 AM Go to last post

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