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  1. stretchyboy

    Commercial premises - most common earthing arrangement?

    You'll have to write a limitation on the certificate, that you couldn't gain access to the supply and therefore have no supply characteristics. You cant guess them.
  2. stretchyboy

    Is 0ne 30mA RCD acceptable to cover all circuits in 3 bed semi - any reccomendations

    Re: Is 0ne 30mA RCD acceptable to cover all circuits in 3 bed semi - any reccomendati I always wonder how even ''17th Edition'' board meet the reg 314-1 and 314-2 and particularly if you look at TT systems as mentioned above. If you aren't supposed to let a fault on one circuit affect another...
  3. stretchyboy

    Periodic codes and your opinion

    I agree with the 'both right' but would probably have code 4'd it myself and added a statement about if the light fitting was changed, then it needed replacement. Surely if we work on the theory of, we allow for any future items then we should all be fitting 25mm for a shower as they only seem...
  4. stretchyboy

    Knipex

    I think we need a few freebies to determine if you are right or not :cool: *wink*
  5. stretchyboy

    advise please

    its quite common to connect the towel rail from the lighting circuit as they often have a low load i.e. 120W so therefore do not require more than a 3amp fuse. Rcbo protected of course, sounds fine.
  6. stretchyboy

    Test Cert

    free for family ;-) its too much agro to try to charge them ......... if you do it cheap they dont realise and go and tell everyone they know how cheap it was and if you charge them full price they will be offended
  7. stretchyboy

    fire /Security alarms and aerials

    Visonic Powermax Plus :cool:
  8. stretchyboy

    C T Ratio

    cheers, that helps, but Ryefield are an old firm that finishes early on a friday and I seem to remember ringing 'during their lunch hour' once too ;-( so their technical probably wont be around until Monday midday after tiffin and jam sandwiches. :D
  9. stretchyboy

    economy 7 rcd test

    It's not clever but most people will temp feed the E7 board from the 24hour as long as its off the same supply ...... but probably not clever if you are looking for something safe :cool:
  10. stretchyboy

    Recording RCD test results

    the worst reading for X1 and the worst reading for X5 gets put on the sheet
  11. stretchyboy

    Two way two wire switching

    are they standard switches or time-lag ones or even push-to-make ones as this will give us a clue as to whether there is some form of electronics behind it all
  12. stretchyboy

    Patch panel earthing

    Sorry Darkwood, I was trying to do the wage run and waiting for reply to my CT ratio query and was only really skim-reading everything else ..............ha ha, obviously my mind was on getting up town :cool: I have seen some with earths and some without, as usual the installers with a...
  13. stretchyboy

    Patch panel earthing

    Yes you would need to allow for high integrity earthing as it will probably be used for IT equipment of some sort
  14. stretchyboy

    fire /Security alarms and aerials

    Visonic have a good quality, easy to fit wireless system with Lithium batteries that should last 2-3yrs in normal use, and reasonably priced. available at Gardiners or similar ............... and i'm a wireless hater who has been installing alarms since 1993:cool:
  15. stretchyboy

    Patch panel earthing

    Presumably its not domestic and that it is meant for IT equipment then you wouldn't fit RCD to socket and if it was on wheel then why would you want to bond it? unless it was in a bathroom :rolleyes:
  16. stretchyboy

    Garage wiring

    It is sufficient as long as it isn't a single rcd for whole board and it tests ok
  17. stretchyboy

    garden lighting

    You should advise your customer that the existing arrangement does not meet regulations (314-1 whole installation cant be covered by single RCD or 314-2 a fault on one circuit shouldn't affect another circuit) and if you are looking to just do the smallest alteration without going to the trouble...
  18. stretchyboy

    can anyone advise me the make of this fire alarm panel

    that makes a change doesn't it :D
  19. stretchyboy

    can anyone advise me the make of this fire alarm panel

    C-tec MFP
  20. stretchyboy

    C T Ratio

    I have quoted for a job of fitting a CT chamber and doing the intake alterations to change a 100A 3-ph supply to 200A 3-ph and in doing so obtained a price for the CT Chamber from Ryefield. The metering company need to know the CT ratio to complete their form so they can book the job, so the...

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