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  1. Service Entrance Grounding

    Started by BlaineXD on 02-27-18
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 2,852
    Last Post: 03-24-18 02:54 PM
    by electrofelon  Go to last post
  2. Portable Generator inside Separate building

    Started by marmathsen on 12-05-17
    • Replies: 7
    • Views: 984
    Last Post: 12-06-17 11:31 AM
    by gadfly56  Go to last post
  3. Reverse-feeding this transformer

    Started by Cannonmn on 07-08-17
    2 Pages
    1 2
    480v., ground, transformer
    • Replies: 12
    • Views: 1,906
    Last Post: 07-10-17 11:55 AM
    by Jraef  Go to last post
  4. EGC as GEC (for xfrmr in MCC)

    Started by amatsu42 on 02-14-17
    egc, gec, ground, grounding electrode, transformer
    • Replies: 4
    • Views: 1,419
    Last Post: 02-15-17 12:35 PM
    by amatsu42  Go to last post
  5. GFCI selt test requirement UL 943 standard/ faulting GFCI

    Started by dylanmitchell on 11-28-16
    fault, gfci, ground, self test
    • Replies: 3
    • Views: 1,334
    Last Post: 11-28-16 09:21 PM
    by JFletcher  Go to last post
  6. Upsizing Equipment Ground for Voltage Drop

    Started by SunFish on 10-24-16
    250.122(b), egc, ground, voltage drop
    • Replies: 5
    • Views: 2,076
    Last Post: 10-25-16 10:17 AM
    by SunFish  Go to last post
  7. Grounding electrode/ Grounding conductor sizing

    Started by Spencer125 on 05-12-16
    ground, grounding, grounding electrode, sizing, sizing ground
    • Replies: 4
    • Views: 2,913
    Last Post: 05-13-16 11:26 AM
    by jumper  Go to last post
  8. measurable current on cable and ground

    Started by tesla six on 03-29-16
    current, ground, trouble shooting
    • Replies: 8
    • Views: 2,368
    Last Post: 03-29-16 09:12 PM
    by tesla six  Go to last post
  9. Ground Grids

    Started by MyBeardAndMe on 10-09-15
    250, ground, industrial, motor
    • Replies: 3
    • Views: 2,965
    Last Post: 10-09-15 05:17 PM
    by don_resqcapt19  Go to last post
  10. Flagpole Grounding?

    Started by MyBeardAndMe on 10-07-15
    flag, flagpole, ground, lightning, pole
    • Replies: 0
    • Views: 2,469
    Last Post: 10-07-15 06:46 PM
    by MyBeardAndMe  Go to last post
    • Replies: 9
    • Views: 3,135
    Last Post: 09-29-15 02:13 PM
    by bob  Go to last post
  11. Cable Tray Bonding

    Started by MyBeardAndMe on 08-28-15
    • Replies: 9
    • Views: 7,663
    Last Post: 09-02-15 06:17 PM
    by MyBeardAndMe  Go to last post
  12. Multi-Point Grounding

    Started by strippers&dykes on 05-04-15
    bond, ground, grounding, telco
    • Replies: 3
    • Views: 2,681
    Last Post: 05-05-15 07:56 AM
    by ron  Go to last post
  13. 2011 NEC, 250.118 (10) undersized ground conductor ???

    Started by Ranger86 on 02-03-15
    3 Pages
    1 2 3
    ground, grounding, mc cable
    • Replies: 20
    • Views: 8,518
    Last Post: 02-05-15 07:53 PM
    by MasterTheNEC  Go to last post

    Forum:
    NEC

    • Replies: 3
    • Views: 2,466
    Last Post: 02-17-14 02:36 PM
    by charlie b  Go to last post

    Forum:
    NEC

  14. Grounded conductor required for service?

    Started by greenspark1 on 02-04-14
    ground, grounded, service
    • Replies: 8
    • Views: 4,928
    Last Post: 02-04-14 03:16 PM
    by augie47  Go to last post

    Forum:
    NEC

    • Replies: 4
    • Views: 3,583
    Last Post: 01-13-14 01:37 PM
    by greenspark1  Go to last post

    Forum:
    NEC

  15. Resistivity of Materials

    Started by MyBeardAndMe on 02-27-13
    ground, ground grid, resistance, resistivity
    • Replies: 2
    • Views: 2,645
    Last Post: 02-27-13 10:49 AM
    by MyBeardAndMe  Go to last post
    • Replies: 1
    • Views: 2,651
    Last Post: 12-14-12 01:14 PM
    by iwire  Go to last post

    Forum:
    NEC

  16. Typical Ground Resistance Value

    Started by garnerm on 11-01-12
    2 Pages
    1 2
    ground, measured, ohm, resistance
    • Replies: 14
    • Views: 10,961
    Last Post: 11-04-12 08:30 AM
    by petersonra  Go to last post
  17. Splicing Neutral Across Mains

    Started by flengineer on 09-21-12
    bond, ground, neutral
    • Replies: 2
    • Views: 3,217
    Last Post: 09-22-12 06:29 AM
    by augie47  Go to last post

    Forum:
    NEC

  18. can I add a ground to exterior spa panel?

    Started by mike65401 on 08-15-12
    ground, hot tub, spa
    • Replies: 1
    • Views: 3,715
    Last Post: 08-15-12 11:37 AM
    by Dennis Alwon  Go to last post

    Forum:
    Safety

  19. NEC 690-35

    Started by Nalagia on 08-13-12
    690-35, ground, pv ground, pv systems
    • Replies: 2
    • Views: 4,100
    Last Post: 08-23-12 02:46 PM
    by jaggedben  Go to last post

    Forum:
    Education

  20. Establishing a neutral to ground bond on a telecommunicaitons shelter

    Started by encoreman on 06-13-12
    2 Pages
    1 2
    ground, ground conductor, neutral to ground bond
    • Replies: 10
    • Views: 6,212
    Last Post: 06-14-12 03:41 PM
    by iwire  Go to last post
  21. Whirlpool Tub and Ground / Neutral Bonded in Subpanel

    Started by pianomannick on 05-30-12
    bonding, ground, subpanel, tub
    • Replies: 7
    • Views: 7,518
    Last Post: 06-01-12 10:54 PM
    by pianomannick  Go to last post

    Forum:
    Safety

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