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Forum: General Electrical Forum

For electrical topics that do not match any of the other headings.

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    01-17-13 11:40 PM Go to last post
  1. Whole House Generator Sizing

    Have a client that wants a back up generator and ATS. Average house, 200A service. Doesn't want to spend the $$ on what I recommened, a 20KW whole...

    Started by A/A Fuel GTX on 06-10-13
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 845
    Today 07:18 AM Go to last post
  2. Split A/C unit

    I have not seen the unit yet but a customer told me his A/C guy was supplying his home with 2 - 208V, 15AMP units. This is a residential single phase...

    Started by SHEA L.U. #3 on 05-07-13
    2 Pages
    1 2
    • Replies: 19
    • Views: 476
    Today 07:06 AM Go to last post
  3. MC Cable vertical installation into breaker panels

    Our company is having internal discussions ( arguements) about installing MC Cable into circuit breaker enclosures from the top. The discussion is...

    Started by William Lloyd on Yesterday
    making mc attractive
    • Replies: 5
    • Views: 171
    Today 06:20 AM Go to last post
  4. Audio Hmm from AC lines what do I do?

    Hello, I am doing some work on a studio and they have a large amount of hum on the A/C lines. Now I know grounding is an issue as the the studio is...

    Started by Stinger208 on 06-17-13
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 382
    Today 12:23 AM Go to last post
  5. Single phase portable A/C unit hookup.

    We bought a Kwikool Portable A/C unit for emergency situations in our server rack closet. This is a 240v single phase with a cord that has a hot,...

    Started by kimo91 on Yesterday
    • Replies: 2
    • Views: 55
    Yesterday 11:03 PM Go to last post
  6. Oil like residue in panel

    I was working in a existing GE panel, remove breaker and about drop it. I had what seems like machine oil on my hand, alot of the breakers are...

    Started by KWH on Yesterday
    • Replies: 3
    • Views: 109
    Yesterday 09:13 PM Go to last post
  7. Best troubleshooting call in years

    Got called to a multi-million dollar home (that's not really saying much in the Bay Area). There was an electrical hum in the master bedroom, such...

    Started by electricguy61 on 06-17-13
    • Replies: 8
    • Views: 308
    Yesterday 09:11 PM Go to last post
  8. UL250 Low Voltage Classification

    What constitutes "low-voltage" for a home appliance, namely a refrigerator, in UL 250?

    Started by Elektrotechnik on Yesterday
    • Replies: 1
    • Views: 50
    Yesterday 08:06 PM Go to last post
  9. 25 ohms to ground

    How exactly do you go about testing to see if your ground rod is less then 25 ohms to earth? Put one lead on the rod and the other streached out and...

    Started by olly on Yesterday
    • Replies: 1
    • Views: 77
    Yesterday 07:36 PM Go to last post
  10. overhead to undergroung

    I am converting a commerical business from overhead to underground. Simply re-feeding It. It has an original CT cabinet feed by parralled 350...

    Started by olly on Yesterday
    • Replies: 0
    • Views: 61
    Yesterday 07:23 PM Go to last post
  11. Low voltage reading/resistance in hot conductor

    I am troubleshooting a circuit which part of isn't working properly. It originates from a 100 Amp subpanel that I have already redone because it was...

    Started by jefferywebb69 on 06-17-13
    • Replies: 3
    • Views: 125
    Yesterday 06:38 PM Go to last post
  12. toilet partly in front of mdp.

    I have a job where there was a kitchen fire. The owner is a friend & this is a rental. We replaced all knob & tube in kitchen & bathroom above. I...

    Started by rodr330 on Yesterday
    • Replies: 6
    • Views: 137
    Yesterday 05:09 PM Go to last post
  13. WHAT WENT WRONG?

    First, a big thank you to everyone that helpe me through my 3 phase pump problem. I made the installer do his job as he should have and we are in...

    Started by dontheo on 06-14-13
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 774
    Yesterday 05:54 AM Go to last post
  14. Concealed Connectors

    Are we allowed to have romax and MC connectors behind sheetrock? At places like a recessed panel in a wall.

    Started by wireday on 06-17-13
    • Replies: 8
    • Views: 236
    Yesterday 04:34 AM Go to last post
  15. Wye start Delta Run

    This is the second time Im trying this because I did nt see my post come up.If you have a 3 phase 208 service,and a motor with a schematic,one chiose...

    Started by Tim_Nelson on 06-17-13
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 312
    Yesterday 12:36 AM Go to last post
  16. Cutler-Hammer residential breakers in a Westinghouse panel

    I've got an RFI that I'm scratching my head over, and I hope some of you who deal with this stuff in the field can help me out. Our drawings include...

    Started by JDBrown on 06-16-13
    2 Pages
    1 2
    • Replies: 18
    • Views: 424
    Yesterday 12:09 AM Go to last post
  17. My bad: analysis of a mistake

    I'm generally a pretty good basic level troubleshooter, so when I make a mistake, it's embarrassing, especially when I sit and think about it ;) . I...

    Started by PetrosA on 06-14-13
    2 Pages
    1 2
    • Replies: 16
    • Views: 600
    06-17-13 11:33 PM Go to last post
  18. Yaskawa/Omron V1000 - Max. freq. locked

    Hi, I've installed/programmed several (used) Omron V1000s, but this one is giving me a headache. Max. frequency parameter is for some reason locked....

    Started by cs.dk on 06-16-13
    • Replies: 5
    • Views: 137
    06-17-13 06:36 PM Go to last post
  19. T Bar hanger

    I have a job coming up where I need to put six receptacles in a suspended ceiling. I was looking at using Caddy 512HD,with a 1.5 4X4 and a 5/8...

    Started by wireday on 06-16-13
    2 Pages
    1 2
    • Replies: 14
    • Views: 318
    06-17-13 05:45 PM Go to last post
  20. Wye start Delta Run

    If you have a 208 wye service, and a motor with a Wye Start or Delta Run for a schematic. Which one should you connect to.

    Started by Tim_Nelson on 06-17-13
    • Replies: 0
    • Views: 80
    06-17-13 04:16 PM Go to last post

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