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Search results

  1. M

    Running a cable along railing

    Am just going to search the regs and failing that phone his father in law (who he will fold for and was a spark and see what he says)
  2. M

    Running a cable along railing

    Was thinking for a moment saying if live cable somehow get damaged and miss's the earthed armour but hit the railing a dangerous voltage could sit there waiting to kill one of are inmates , but the posts are buried about 2and a half foot down and have probably a better earth than the mains
  3. M

    Running a cable along railing

    The railing at he back he of the yard no chance of hitting with truck ,would be run about 400mm off the floor so not much chance of being covered with soil and railing are well steel colour so cable will be visable . It just feels a bit rough (it is a glorified scrapyard with 90% of the lads...
  4. M

    Hi, new guy here & some help needed with RCDs

    Well it's not my garage , so i don't know . But you agree not to put it on rcbo (two RCDs in series ) so where back to mcbs around the same size . So why not try a c type , for all i know the op could have full set of 110v tools ( plug a transformer in a b type and its 50/50 it will trip ) ...
  5. M

    Hi, new guy here & some help needed with RCDs

    No it won't but it will solve overload problems and if plugging in transformer in the garage only the b type will have to be reset not walking back to the house every time
  6. M

    Running a cable along railing

    I know just does not feel right . But i cannot figure out why it's wrong .
  7. M

    Running a cable along railing

    Moving office onto portacabin on the other side of yard . Told my boss could do a straight run across underground across yard ("that fine ") ,told him it needs to be 600mm depth as we have wagon run over the area (not fine) . Now he's talking about going the longer way round and could i attach...
  8. M

    Hi, new guy here & some help needed with RCDs

    If values permit fit a c type MCB in the first board , therefore a overload should trip the b type in garage unit fist
  9. M

    Electrical installation design guide

  10. M

    Electrical installation design guide

    Don't need bonding , was just make sure that was the case , that's all . the table that raised the original question was table 8.8 in the design guide page 100 ( maximum bs88 fuse sizes for multi core armoured cables having thermosetting insulation (copper conductors) when as armouring is to...
  11. M

    Electrical installation design guide

    Ta wilko .gorillas are great , don't like chimps they like to pull people faces off (too much sugar in their tea I think )
  12. M

    Electrical installation design guide

    The 95mm i put in 4years ago has good reading (can't tell you what they are off the top of my head). It just my div of a boss keep buying machines with out telling me and after moaning that this cable need up gradeing so we can use more of the supply ,he has put his hand in his pocket , iwas...
  13. M

    Electrical installation design guide

    Well , am upgrade a (45m)95mm 4core to a 120mm4core as the supply is 315amps probably more in the substation , the information comes from table b1 guidance note 8 . But this come up in the thread where it was said the all swa cables armour is good to go to be used as a protective conductor ...
  14. M

    Electrical installation design guide

    Just checked now . Ta Pete appreciate it
  15. M

    Electrical installation design guide

    1capybara are you agreeing or disagreeing with me regs speak goes over my head sometimes unless I read it 10 times
  16. M

    Electrical installation design guide

    Well apart from 120mm4 core.which is lucky cos that is what am putting in
  17. M

    Electrical installation design guide

    Had a look online and basically any cable over 70mm doesn't have the CSA of armour to be used as a CPC, might be looking at a obsolete table
  18. M

    Electrical installation design guide

    Don't. Know how to pm . my email address is [email protected] ta
  19. M

    Electrical installation design guide

    Can't open it pete . what it say am guessing am wrong
  20. M

    Electrical installation design guide

    I don't have it on me , but am sure in the iet earthing book it list diffent size SWA and some of them don't have the correct CSA to be used as a protective conductor .

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