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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. Non-Fuse Switch as Motor Disconnect

    Started by augie47, 09-26-16 11:03 AM
    • Replies: 9
    • Views: 268
    Today, 02:43 PM Go to last post
  2. Grounding for new Equipment Pad

    Started by philly, 09-23-16 02:12 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 620
    Today, 02:32 PM Go to last post
  3. Inrush current and motor power

    Started by eemamedo, Yesterday 01:41 AM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 376
    Today, 02:30 PM Go to last post
    • Replies: 0
    • Views: 12
    Today, 02:01 PM Go to last post
  4. What is the voltage of this?

    Started by cdynasty001, Today 05:11 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 297
    Today, 01:48 PM Go to last post
  5. utility fault current interpretations

    Started by mjmike, Yesterday 08:06 AM
    • Replies: 6
    • Views: 178
    Today, 01:10 PM Go to last post
  6. Machinery made in Germany wiring

    Started by Otown, Today 10:41 AM
    • Replies: 3
    • Views: 79
    Today, 11:35 AM Go to last post
  7. Breaker upgrade ? Do it with the cheapest ?

    Started by Davebones, Yesterday 09:52 AM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 478
    Today, 11:17 AM Go to last post
  8. 3 phase current measurement

    Started by tomschaefer, 09-26-16 08:59 AM
    • Replies: 9
    • Views: 278
    Today, 09:28 AM Go to last post
  9. Choosing the between Inverse-time and Instantaneous-trip Breaker.

    Started by Frank A, 09-22-16 07:59 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 33
    • Views: 899
    Today, 09:07 AM Go to last post
  10. Wiring sizing for control panels.

    Started by binney, Yesterday 09:14 PM
    • Replies: 4
    • Views: 134
    Today, 05:01 AM Go to last post
  11. HVAC Sizing for a tent building

    Started by D!NNy, 09-22-16 12:09 AM
    • Replies: 7
    • Views: 302
    Yesterday, 10:35 PM Go to last post
  12. Matrix Converter (AC to AC VFD)

    Started by elec_eng, 09-26-16 03:37 PM
    • Replies: 7
    • Views: 280
    Yesterday, 09:51 PM Go to last post
  13. Wire Inside Condensing Units

    Started by Fitzdrew516, 09-26-16 09:07 AM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 480
    Yesterday, 04:50 PM Go to last post
  14. THE PHYSICS OF... POWER

    Started by Phil Corso, 08-28-16 12:46 PM
    81 Pages
    1 2 3 ... 81
    • Replies: 809
    • Views: 17,245
    Yesterday, 12:10 AM Go to last post
  15. Seperate PanelBoard for each Hotel Room!

    Started by sahanservice, 09-22-16 11:07 AM
    2 Pages
    1 2
    • Replies: 12
    • Views: 541
    09-26-16, 10:19 PM Go to last post
  16. Calculating line impedance for distance relaying

    Started by mbrooke, 09-20-16 01:06 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 36
    • Views: 846
    09-26-16, 09:14 PM Go to last post
  17. Variable Frequency Drive for Dust Extractor Fans

    Started by vinnygalbo, 09-23-16 01:52 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 936
    09-26-16, 07:57 PM Go to last post
  18. SKM arc flash calulcations

    Started by OCPD, 09-26-16 12:25 PM
    arc flash, bus gap, panelboard, switchboard
    • Replies: 2
    • Views: 123
    09-26-16, 12:51 PM Go to last post
    • Replies: 5
    • Views: 199
    09-26-16, 09:03 AM Go to last post

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