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  1. grumpyjohn01

    What is this 1970s fuseboard?

    Don't know if it's just me but whenever I see some stout old kit like this out there still giving faithful service my first thought is: 'How can I get away with keeping this?' getting harder and harder to find the work-arounds of course..
  2. grumpyjohn01

    What is this 1970s fuseboard?

    Very robust circuit breakers, John Ward has done some content on them on Youtube, only potential pitfall is relatively low breaking capacity (3KA if memory serves) shouldn't be a problem in nearly all cases, although difficulty in providing RCD protection would see that board replaced in the...
  3. grumpyjohn01

    What is this 1970s fuseboard?

    Crabtree c50
  4. grumpyjohn01

    Unusual lighting wiring?

    Yes still see the odd red white and blue out in the wild, usually without cpc, iirc that colour code was only used for a short time...could be wrong.. I remember thinking at the time the colours changed that there would be confusion down the line, the classic for me is when you have a lighting...
  5. grumpyjohn01

    Unusual lighting wiring?

    They're just in the wrong order in the cable, standard 3c flat cable is , brown, black, cpc, grey..
  6. grumpyjohn01

    Unusual lighting wiring?

    I think the drawing is probably correct without the extra black..old colours are as above, Red, Yellow, Blue corresponding to the current Brown, Black, Grey (L1,L2,L3) although confusingly that image shown by @Avo Mk8 is not quite right methinks..!
  7. grumpyjohn01

    Electrical Improver Interview

    Beware of employers who will take advantage of your inexperience to pay you less and then throw you in at the deep end, sending you out on jobs you aren't really ready for. This happened to me, many moons ago when I was in your position and although I can now look back on it as a baptism of fire...
  8. grumpyjohn01

    Unusual lighting wiring?

    Yes , I was going to say , have done this multiple times myself and also seen it done existing by others, it's handy for keeping number of cables down in locations where routing of cables is difficult , it's also pretty straightforward to work out what's going on, with a bit of basic testing...
  9. grumpyjohn01

    Wylex RCBO

    Time was all RCBOs were like this! I keep one of these in my toolbag..invaluable https://www.ebay.co.uk/itm/125376022137?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=QCvVochuQii&sssrc=2047675&ssuid=PQvrU8f4QmW&widget_ver=artemis&media=COPY
  10. grumpyjohn01

    Wylex RCBO

    Afaik the compact RCBOs will not fit any legacy boards (eg NSB) as they have yet another different busbar arrangement
  11. grumpyjohn01

    RCD testing

    To be pedantic, if you go from 3 months interval to 6 months you are decreasing the frequency of testing and increasing the length of the interval between tests?? :mask:
  12. grumpyjohn01

    Dodgy PME?

    Found a place on an EICR like this last year..and guess what? the water supply pipe had been changed for plastic..
  13. grumpyjohn01

    UK Earth bonding to Water

    It is common practice to bond copper pipe installs even though the supply is plastic , not a requirement but often worth running the cable as plans may change etc or there may be a cable there from a previous install and hey ho if its there just smash a clamp on anyway. Newer installs with...
  14. grumpyjohn01

    UK Supplementry Bonding not connected.

    Ah the good old days... running 4mm G/Y all over the place in some scabby council house bathroom, everyone had a different idea what you were meant to be achieving resulting in some interestingly clamp adorned bathrooms and far too many cables pushed into tiny earth terminals..
  15. grumpyjohn01

    RCBO installtion in old MCU following EICR Report

    Yours is split load with single RCD and the best mod as proposed by @suffolkspark would remove that effectively turning it into a Mainswitch only type board so that SPD would be fine.
  16. grumpyjohn01

    RCBO installtion in old MCU following EICR Report

    even better!
  17. grumpyjohn01

    RCBO installtion in old MCU following EICR Report

    This one: https://shop4electrical.co.uk/surge-protection-devices/7002-crabtree-sbt2spd3w-1-starbreaker-single-pole-spd-device-type-2-l-n-pe
  18. grumpyjohn01

    Electric radiator advice please

    oops wrong thread
  19. grumpyjohn01

    Building a false floor for the new van.

    Couldn't go back to an 'everything piled in a heap' van again , in fact I even have a little tantrum if I have a courtesy van for a day or 2 with no racking...
  20. grumpyjohn01

    RCBO installtion in old MCU following EICR Report

    You could move the socket circuits onto RCBOs on the mainswitch side and replace lighting / smokes with RCBO, move cooker onto Type AC RCD side (resistive load) and then have a mainswitch way left for a retro fit Surge kit. If you wanted to...

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