feeder

  1. J

    Feeder Wire - Wire Insulation is slightly under lug. Is this an issue?

    This is a 2/0 CU Feeder wire coming into the main subpanel on a 200A service. There are no nicks in the copper wire and from the front side everything looks good. But upon further inspection, the tiniest bit of wire insulation is under the lug on the back side. Does this pose any type of...
  2. Artimuskillz

    Subpanel feeder breaker size?

    This is a solar tie in generating 22 amps max current, hence the 25a/2p breaker on the subpanel but is there any reason the breaker feeding the subpanel has to be an 80a/2p? Can it be a 50a/2p? Attachments IMG_0010.jpeg 514.6 KB · Views: 2
  3. M

    Advice on existing Sub-Panel feeder wires terminating to breaker vs. hot lugs?

    I recently purchased a rural property in Arizona. The property receives power from APS, the local electric utility. Power arrives from the utility meter, terminating to a 200AMP Main Service Panel in a Quonset Hut (think large garage). Inside the main panel is a 60AMP breaker that feeds a...
  4. ThomasB

    Overhead triplex feeder termination question

    I have 6-6-6 triplex overhead that I'm running to a detached garage. At the weatherhead at the garage I'm going to splice 8 guage thhn copper to run down to the sub panel (approx 5' max of 8 guage at both ends of the run). This feeder will be on a 50a breaker. Does anyone see any issues with...
  5. 2

    UK No enclosure in feeder pillar

    Hi after some advice on this, had a job to look at which involved replacing some ev chargers that were already there, the current set up is they go back to a feeder pillar, the chargers connect into rcds all the current protection is in place however the rcds/Mcbs are clipped onto din rails...
  6. D

    UK Substation LV Feeder Pillar Fuse Rating

    On a commercial 200A TP&N supply, what rating would the substation feeder pillar fuses be? Would they typically also be 200A or a higher rating? Source URL: Electrical Forum - https://www.electriciansforums.net/forums/electrical-forum.15/
    • danieleither
    • Thread
    • feeder fuse rating substation
    • Replies: 4
    • Forum: UK Electrical Forum
  7. S

    LV Distribution Feeder Queries

    Hey there everyone, I'm currently an EE student doing my 4th year project. As part of my project, I am carrying out a literature review into the design rules DNOs apply to their LV distribution networks. I am trying to built up a reasonable understanding into how these networks are laid out...
  8. L

    Control panel feeder cable sizing

    Hi, We have a control panel that has a vsd, plc and motor anti condensation heater. For a preliminary cable calculation for the control panel feeder cable and its associated protection, would we just total up the individual loads to arrive at an approximation and use this to size the feeder...
  9. M

    RCD on feeder to other DB

    Hi Guys, I am new here and would like you have your expert advice. So I have a dwelling with 4 floors - basement, ground, first floor and roof and I was going to make 2 DBs, one in the ground floor and in the first floor. Ground floor DB will cover basement and ground floor. First Floor DB...
  10. mrloy99

    Feeder pillar query

    Hi.I've got a couple of queries regarding feeder pillars on a car park I an working at. There are 3 pillars.All are metal.No 1 is supplied by 70mm 4 core xlpe swa.3 phase and neutral.cpc/bond is the swa. No 2 is 25mm 4 core. And No 3 is 70mm 4 core. No 2 & 3 pillars also have water supply in a...
  11. S

    Power supply to 380V pumps from 460V panel

    Dear all, We have 460V MCC panel for existing pumps in our plant. We need to give supply to new 380V rated pumps in the same panel. There is space available in the panels(Out of 9, one panel almost free). So please suggest is it possible to make the arrangement for MCC feeders in the same...
  12. L

    Control panel feeder cable sizing

    We have a control panel that has a few fan motors (3phase) and two heaters ( 3 phase) and single phase loads to valve actuators. My question is regarding the sizing of the feeder cable to this control panel. Do we work out all the currents individually and then add them and treat this as a "lump...
  13. F

    Feeder and Branch separation point

    Hi, could some one please explain to me the point at which the feeder stops and becomes a branch on the attached drawing. This is really bugging me and if I had hair it would all be ripped out by now and I am struggling to under stand. Anyone's help would be most appreciated. Thanks in advance
    • freakydeakie
    • Thread
    • feeder point separation
    • Replies: 5
    • Forum: UK Electrical Forum
  14. J

    Pig feeder system

    Hello after abit of advice on adding a automatic start to my granddads pig feeding system, when I installed it 8 years ago it was wired with a sensor on last feeder so when it was full it turned off and need start button pressing on the night. has any one put a auto start system in ? do I need...
  15. C

    Obstruction in 3" pvc feeder

    Anyone have any ideas for clearing concrete out of a 3" pvc conduit? We've tried muuratic acid but it evaporated after a few days and the obstruction is still there. To make matters worse..these guys pulled a rope through with a rag attached to it and it snapped...so now the obstruction which i...
  16. i=p/u

    In a panel

    In an electrical panel with feeder isolators what is there bs numbers. Ideunk
  17. O

    Street lighting testing!!! Help !!

    Hi all , i am am about to be starting with a new firm who insist on all electrical test s to be done on each column with a new lantern. Could anyone help me with the procedure of these test and exactly how to perform them as I know they would differ from a domestic testing . Any help...
    • ooMARK84oo
    • Thread
    • feeder lighting street supply testing tests these
    • Replies: 16
    • Forum: UK Electrical Forum
  18. L

    3 Phase Supply Feeder Pillar for Street Lighting

    Is it possible to take a feed from a 3 phase street lighting control pillar if you have a spare way on the distribution board to supply another control pillar which would then it turn supply a Vehicle Monitoring System?
    • Larsson7
    • Thread
    • 3 phase control feeder lighting phase street supply
    • Replies: 5
    • Forum: UK Electrical Forum
  19. J

    exporting the earth 50kw solar pv system

    hi new to this but seems like a good site to swap info and practices, ok my problem or question is 50 kw solar pv on a farm (or anywhere) but it is ground mounted usually in a field some 50mtrs away. so the main incoming earth to the farm is tn-cs after any advice on how to earth the system, we...
  20. linuxthefish

    Substation Fuse

    What would the rating be for a substation fuse and has anyone ever seen one go while on a job? Had a mate asking me this earlier, and now i feel interested. As i understand it goes: substation fuse > DNO fuse > CU?
    • linuxthefish
    • Thread
    • aus fault feeder fuse fuses substation transformer
    • Replies: 23
    • Forum: Australia
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