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  1. O

    fishy business

    got a fishy smell coming from the consumer unit. some extra sockets were added about a year ago to a sub main which fed the kitchen. The cooker was changed to an electric range. is it likely that the problem can be fixed by upping the fuse rating at the main board? And would the best way of...
  2. O

    bathroom lights

    am i right in thinking that those downlights on a bar that are very popular in kitchens are not allowed to be installed in bathrooms? The sort with 4 halogens that we are familiar with
  3. O

    plug in tester

    can i get a plug in tester that will tell me R1+R2 rather than taking sockets off walls etc?
  4. O

    IR

    hi. getting high readings from P-E (>1000) but P-N and E-N both are reading around 0.18 meg ohms. testing by clipping on neutral and earth bars in CU. Am i doing something wrong?
  5. O

    shower cable size

    got a 10.5 kw shower to fit.comes in at 45.65 amps. looking at the on site guide for CCC. 10mm cable ref method 4 says it will carry 43 amps. table 6E1. so am i looking at the correct table? or can i assume that some of the cable will be buried in the wall and some will be clipped direct...
  6. O

    water mains bonding

    old cottage never had an internal stopcock. water used to enter the kitchen and then upstairs to the bathroom. kitchen is now a bathroom and bathroom is now a bedroom! dining room next to the old kitchen is now the new kitchen. all the pipework in the new bathroom is now buried/hidden. no...
  7. O

    main bonding oil

    hi have a worcester exterior oil fired combi boiler. does this negate the need to main bond it?
  8. O

    insulation resistance

    when u test IR surely you have to take out the cable from the CU. Ive seen examples of this with a probe on the screw of the mcb and croc clip on the earth/neutral bar. When testing for example sockets, wouldnt this give a false reading? Am i doing it wrong by isolating each circuit when i do...
  9. O

    meter tails

    wud u say it was better to cut the tails wen installing a new consumer unit or to pull the main fuse? An electrician who was on a job i was doing who is time served and a member of the niceic does it this way and tapes up the tails until he fits an isolater. He also said that if a...
  10. O

    woteva happened to ban-all-sheds?

    just wondered wot happened to him? i do miss him and our banter!!
  11. O

    shower question

    Am i right in thinking that a 10.8kw shower should be wired with 10mm T&E and protected by a 45A mcb. Clipped direct with a run of about 10m
  12. O

    gas bonding

    hi, gas meter outside. pipe comes into the house under the stairs which are boarded up and therefore the pipe is inaccessible. The first place that the pipe is visible in the house is where it comes thru the wall into the kitchen. Can i bond from this point?
  13. O

    moving CU

    got a CU in a kitchen base unit. 16mm tails come thru the wall from the cut out which is in a box outside. Got to move the CU to the wall unit directly above where it is at the moment. Is there a maximum distance that it can be moved from the cut out and wot are the rules on protecting the...
  14. O

    RCD testing

    i've installed a 100mA TD RCD in place of the existing voltage trip. Sockets are on a seperate 30mA RCD circuit. Readings are fine until i test the 100mA RCD. When for instance i test the cooker radial for trip times, i'm getting roughly 300ms on a 1x test. But on 5x it dosnt trip. when i test...
  15. O

    earth supply?

    i have a TT system which has a RCD etc. At the service head there is a earthing block sticking out the side of the kind u find in pme earthing types. there is nothing connected to it and so if i connected an earth to it and did a Ze test and get a low reading, then i can presume that the link...
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    dodgy garage wiring

    just found this interesting wiring in a garage note the bare earths twisted!!
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    time delay or not?

    hi got a TT system which currently has an old voltage trip. no chance of pme. wanna add a 2way consumer unit for the sockets and shower with a 30mA RCD. Gonna put in a 100mA RCD to replace the trip. Does this one need to be time delayed?
  18. O

    Ze

    hi is it possible to have a Ze reading thats higher than a Zs reading? 40ohms Zs and 90 Ze.
  19. O

    RCD wiring

    hiya just a quick one. on a stand alone RCD does it matter if the live in is on the left or right hand side and whether it matters whether it goes in the top or the bottom. i know that some are marked with a L or N on one side but i noticed that some have no markings on them. just wondered
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