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Tag: 3 phase

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  1. 3 phase vs 1 phase, and 208V vs 120V. Question about circuit breakers.

    Started by jucesanc on 03-20-19
    208/120, 3 phase, heat trace
    • Replies: 6
    • Views: 679
    Last Post: 03-21-19 09:00 PM
    by don_resqcapt19  Go to last post

    Forum:
    General Electrical Forum

  2. 120/240V, 3 Phase, 3 transformers on pole, closed delta

    Started by Volt-Amps on 01-15-19
    2 Pages •
    1 2
    120/240v, 3 phase, closed delta, high leg, open delta
    • Replies: 16
    • Views: 1,176
    Last Post: 01-15-19 07:45 PM
    by Volt-Amps  Go to last post

    Forum:
    General Electrical Forum

  3. Powering 3 phase Equipment

    Started by Dansos on 08-10-18
    2 Pages •
    1 2
    208v, 3 phase, heat tunnel 1 Attachment(s)
    • Replies: 14
    • Views: 2,432
    Last Post: 08-13-18 08:20 PM
    by Dansos  Go to last post

    Forum:
    Electrical Calculations / Engineering

  4. Fusible safety switch or 600A OCPD?

    Started by jaylectricity on 02-25-17
    3 phase, 3ph, 600a, safety switch
    • Replies: 5
    • Views: 2,691
    Last Post: 02-26-17 04:34 PM
    by petersonra  Go to last post

    Forum:
    General Electrical Forum

  5. 3-Phase Installation Using 1200A Switchboard w Metering......

    Started by dionysius on 05-30-16
    1200a, 3 phase, switchboard
    • Replies: 2
    • Views: 3,080
    Last Post: 05-30-16 09:31 PM
    by dionysius  Go to last post

    Forum:
    General Electrical Forum

  6. Help!! Delta... 3 phase 240v!!

    Started by TNGuy81 on 03-31-15
    8 Pages •
    1 2 3 ... 8
    240v delta, 3 phase, highleg, motor, peckerhead
    • Replies: 72
    • Views: 24,031
    Last Post: 04-24-15 10:19 PM
    by JRW 70  Go to last post

    Forum:
    General Electrical Forum

  7. How to calculate the unbalanced neutral current in a 3 phase circuit

    Started by rmann on 04-07-12
    2 Pages •
    1 2
    3 phase, 3 phase 208 120 4 wire, calculations, neutral current, unbalanced load 1 Attachment(s)
    • Replies: 15
    • Views: 122,013
    Last Post: 04-19-12 01:02 AM
    by mivey  Go to last post

    Forum:
    Education

  8. 277V Corner Grounded Delta

    Started by knuckles1978 on 03-27-12
    2 Pages •
    1 2
    277v, 3 phase, corner grounded delta, delta to wye, transformer
    • Replies: 13
    • Views: 18,934
    Last Post: 03-28-12 07:09 PM
    by iceworm  Go to last post

    Forum:
    Electrical Calculations / Engineering

  9. 3 phase panelboard

    Started by montericci on 10-14-11
    3 phase, distribution panel, panelboard
    • Replies: 6
    • Views: 7,422
    Last Post: 10-17-11 03:56 PM
    by kwired  Go to last post

    Forum:
    Electrical Calculations / Engineering

  10. Relocating a 225 Amp, 3 Phase Panel

    Started by Robot Jon on 05-18-11
    3 phase, panel locations, panelboards, relocating
    • Replies: 3
    • Views: 4,755
    Last Post: 05-19-11 10:59 AM
    by infinity  Go to last post

    Forum:
    Business Management / Estimating

  11. total connected current of a commercial building.

    Started by Ellie on 05-12-11
    3 phase, electrical plan, load calculation, total current
    • Replies: 4
    • Views: 7,656
    Last Post: 05-13-11 11:39 AM
    by jbelectric777  Go to last post

    Forum:
    Electrical Calculations / Engineering

  12. List of used 3-phase voltages from 400V - 2400V

    Started by jtrezon on 03-06-11
    3 phase, industrial, voltages, world
    • Replies: 7
    • Views: 10,218
    Last Post: 03-07-11 12:10 PM
    by Jraef  Go to last post

    Forum:
    Electrical Calculations / Engineering

  13. 220VAC single phase to 380VAC 3phase for Lathe/Milling machine

    Started by jarrydred on 02-27-11
    3 phase, inverter, vfd
    • Replies: 1
    • Views: 5,773
    Last Post: 02-27-11 12:39 PM
    by iwire  Go to last post

    Forum:
    Electrical Calculations / Engineering

  14. Wiring 277V Lighting

    Started by alittleee on 01-19-11
    277v, 3 phase, lighting, nfpa 70e 1 Attachment(s)
    • Replies: 4
    • Views: 32,320
    Last Post: 01-19-11 10:17 AM
    by augie47  Go to last post

    Forum:
    Electrical Calculations / Engineering

  15. Fire chief needs electrical advice

    Started by gr8benwa on 11-23-10
    2 Pages •
    1 2
    3 phase, power quality, theory, unbalanced load
    • Replies: 19
    • Views: 13,492
    Last Post: 11-23-10 10:04 PM
    by sparky=t  Go to last post

    Forum:
    Electrical Calculations / Engineering

  16. A/C Compressor Current imbalance

    Started by ralft on 05-25-10
    3 phase, current, efficiency, imbalance, unbalanced
    • Replies: 1
    • Views: 5,095
    Last Post: 05-28-10 06:40 PM
    by ralft  Go to last post

    Forum:
    Electrical Calculations / Engineering

  17. Electric urd primary distance from Gasoline

    Started by Randy Plaunt on 04-06-10
    3 phase, electric, gasoline, primary, underground
    • Replies: 1
    • Views: 3,928
    Last Post: 04-06-10 01:57 PM
    by bphgravity  Go to last post

    Forum:
    NEC

  18. wild leg panel questions

    Started by Bob-o on 03-12-09
    2 Pages •
    1 2
    3 phase, code, delta, panelboard, wild leg
    • Replies: 19
    • Views: 15,117
    Last Post: 03-14-09 04:41 PM
    by Bob-o  Go to last post

    Forum:
    NEC

  19. procedure and format for load calculations

    Started by DCjr on 02-07-09
    3 phase, load calculation, panelboard
    • Replies: 8
    • Views: 8,443
    Last Post: 02-08-09 10:13 AM
    by Volta  Go to last post

    Forum:
    Electrical Calculations / Engineering

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