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  1. R

    HELP me figure out RCBOs in Split-Phase

    Hello, I have a hypothetical question (I'm an electrical engineer) to better understand RCBOs and how they are used in the USA. Let's say I would like to install RCBOs (or maybe just RCCBs) in my home to protect against residual currents. I am in the USA so my home has split-phase (two phases...
  2. 3

    Trying to figure out amps in sub panel

    I have a sub panel about 75ft from my house attached to my shed that feeds a pool pump, some outlets and a pool heater which is no longer used (50amp). I have built another shed 30 ft from the sub panel which I want to bring power to. I need 1 - 30amp outlet and at least 2 - 15amp breakers to...
  3. S

    Trying to figure out alternatives for remote accessory structure

    Hello, this is my first post here. I have a little experience with most types of household wiring through a decade of DIY remodeling, and building a new house but am not an electrician. I'm researching options for getting power to a small cabin in the woods behind a house (Oregon, USA). It...
  4. Londonguy

    C7 Figure of 8 UK power cable

    I have an electronic device (X Box One S) that came supplied with a 5AMP Fused figure of 8 power cable. I want to buy another cable, and my local store only stocks 3AMP fused cables of the same type. My question is, can I just buy the 3AMP fused cable, and replace the fuse with a 5AMP one, or...
  5. H

    New member, got an electrical puzzle I just can't figure out. Help!

    Howdy folks, new member here. Homeowner, been doing my own electric for 40 years or so, from swapping out plugs to installing an entire circuit panel. Ran into a problem a while back that I still can't figure out, I'm hoping it's something that someone out here has experience with. A couple of...
  6. S

    Bought ceiling light online which wire is which?

  7. J

    Trying to figure out why I was electrocuted

    Hi. Hope I'm allowed to post here. Something terrifying just happened and I'm trying to figure out why. I have no clue about anything to do with electrical. I was playing my electric guitar, pretty loud and couldn't hear that it was thunderstorming outside and I was electrocuted through my...
  8. J

    Would you guys say this is burnt?

    On the other side it is the power transformer. Trying to figure out why my lg 55lf6000 screen keeps blinking in 1.5 second intervals. So I’m wondering if that spot looks burnt and hoping it is the cause. It’s just I’m wondering if that spot is normal.
  9. D

    Can’t click ‘complete certifcate’ button on NIC online certification and cant figure out why?????

    Can’t click ‘complete certifcate’ button on NIC online certification and cant figure out why????? its let me complete 3 others but wont let me do the last 1
  10. G

    Found a Figure 8

    Both legs of one ring in a socket with both legs of another adding another 8 outlets in two rooms. I'm adding a few new sockets and will be migrating the circuit to a new RCBO populated CU so was giving it a little more attention than usual, wouldn't normally do a fig8, when i found the two...
  11. G

    Figure my job out for monday please, i've got to go out on the lash, ta

    Mondays job, "Isolation switch for the pump keeps shorting" Location: basement That's it, all the detail you'll ever need. Four hour round trip. Come on smart arses diagnoses please. My money is on a genuine high load, motor bearing gone or some such. Turn up, clamp it, prove it high =...
  12. Gavin John Hyde

    Trying to figure cause of tripping

    Done a CU change today, brief testing before hand I knew there was a problem on one circuit, believed to be the element in the immersion tank so put the very low IR readings down to this. Fitted new CU with plumber arranged to look at the immersion, changed it and thought that would be that...
  13. KeenPensioner

    Can't figure ring final r1 + r2 divided by 4

    Hi...keen amateur here......don't crucify me for asking!! I understand Ohm's law and I understand the mechanics of measuring end to end on ring final and then joining incoming live to outgoing neutral etc, and I know that this configuration gives a figure of 8 (in fact can be straightened to...
  14. Penfold

    Trying to figure out wiring on old light fitting

    I am trying to replace a switched light fitting that is in a cupboard with a new ceiling rose. When I took off the existing fitting, I can't work out which wires are which in the existing fitting and there are no markings on the existing fitting to help. It looks pretty old and the wiring on...
  15. bigspark17

    2x supplies down swa

    does having two circuits travelling down one swa directly condradict a reg.? Circuits in question are 2 63A submain down 1x 4c 16mm swa
  16. J

    Electric to garage?

    Trying to get an ball park idea on costs to get 2 double sockets and a light in the garage. Blackpool Area. New consumer unit fitted in 2014 that has spare ways. At a guess route for cable would be from consumer unit up to loft (4m) across loft to rear (10m) then to armoured? Down outside of...
  17. Adie moore

    do manufacturers apply diversity on their product info lables

    woh, long title, sorry. I ask because I have never clamped a cooker circuit before. I did yesterday, hob was labeled 6ka and when all 4 rings were on full, from cold, it pulled 31a for a good 5 minutes till the thermostats started kicking in. all well within the constraints of cable, but not...
  18. VoltzElectrical

    Naked Ladies? the results for L-L and N-N should be within 0.05 ohms

    Naked ladies are lovely. especially if they are fit. However, on an electrical note... When testing ring final circuits end to end tests confirming the ring. I have recently been informed that the results for L-L and N-N should be within 0.05 ohms. I know that they should be the same, but where...
  19. S

    Ring Final Tests

    testing a ring final today end to end test L 0.24 N 0.24 CPC 0.37 figure of 8 L1 -CPC 2 L2 - CPC 1 0.25 L1 - N 2 L2 - N 1 no reading IR >999 cant figure out why open circuit on figure of 8 any answers?
  20. B

    Ring main Figure of 8.....

    Hi there wonder if anyone can help..... ive tested continuity on a new ring main circuit I installed the end to end were - R1:0.28 Rn:0.28 R2:0.40 seems ok The figure of 8 results I expect from that would be L/N = 0.14 & L/E = 0.17 roughly Although on some of the sockets the figure of 8...

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