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6mm

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  1. T

    Old cu with 6mm earth - TNC-S

    Quoting for a job. Need to install a 1 way cu to feed shower as the exising is full and old none rcd unit etc. noticed that the C.U is 16mm tails with only 6mm main earth. Do i need to alter this or just make sure my new 1 way is 16 with 25mm tails from splitter block.
  2. D

    10.5kw shower run off 6mm

    Hi guys, Just chatting to my neighbour over the fence and he says hes just changed his broken shower like for like. He told me that it is a 10kw shower run off 6mm off a 45amp breaker. I was thinking to my self that not right its gotta be 10mm cable. I thought I would ask here before getting my...
  3. J

    6mm earthing on a TT system

    hi all i ahve been reading up on tt systems am i correct in saying that a tt system can have a lower earthing conductor than a tncs or tns? can anyone explain why? and also what is the lowest earthing size u have seen on a tt system ?
  4. J

    no earths at lights and switches and bonding 6mm rather than 10mm

    what the general take on this if say you where changing a db and and there was bonding present but not the right size but it satifys test limts ? and also say are changingthe db and some switches dont have a earth but are plastic ? and the same with a light fitting a all plastic fitting ?
  5. M

    9kw cooker using 6mm t+e

    what would people say on a 9kw cooker using 6mm t+e 6 meter run in total. a 32amp rcbo how much would it take before it started to trip.
  6. La Poste

    7.5KW shower with 6mm cable

    Greetings. Just had the upstairs shower die, water is leaking all over the place and it is highly dangerous. We have a 6mm cable fused at 32A at the CU with no RCD. My father is a real difficult old bloke of 85 years and whenever I try to tell him about RCD's and new fuse boards he gets really...
  7. B

    what size conduit for 6mm t&e?

    Hi need to run some 6mm t&e in conduit what size would you say 32mm or 38mm Cheers
  8. B

    Burnt 6mm twin & earth

    Been racking my brains all day and still can't figure out how a 6mm twin and earth has ended up burnt out as though having more current through than should the scenario 8.5kw/h electric shower 6mm2 t&e in trunking on wall 40a MCB with 30ma RCD Protected The cable burnt at CU end and MCB has...
  9. cbw

    6mm

    Ok, C.U. Change, 60A main fuse 16mm tails, pme @ 6mm main earth and 6mm main bonding to gas and water. I know the 6mm main earth needs upgrading by DNO to 16mm, however just need putting straight on the following.... 1. I will upgrade the water main bond to 10mm, however the gas is a...
  10. S

    6mm Main Earth

    Was working at a house today that had a 6mm earth which obviously needs to be upgraded but was just wondering when this size or if this size has ever been acceptable?
  11. D

    6mm 3xBrown/Blue/Earth Cable

    Got approx 15m run of it 3x brown 1x blue 1x Green/Yellow of it as it was off cut from a job.. couple of quid to good home..!! unless you have provided me with free stuff in past!! Eziekiel / Ghost also got similar lenght of 10mm Brown and Green 3x brown 1 x Green yellow
  12. B

    Bonding to gas 6mm vs 10mm

    When bonding to gas 10mm seems to be the norm these days. I came across a pme install with a 60 amp cut out and 16mm tails with 10mm main cpc. The bond was in 6mm with R2 well under 0.5 ohms. So I ask the question, should this be upgraded to 10mm or will 6mm suffice, and if so why? Would be...
  13. V

    resitance of 6mm t&e per meter.

    any one let me know the resitance of 1m of 6mm t&e .ie 6mm live and 4mm cpc if shorted out. ta guys
  14. Dan

    ContractorForum: 6mm Hardibacker: Good morning all. Hope you all had a very merry xma

    ContractorForum: 6mm Hardibacker: Good morning all. Hope you all had a very merry xmas and are taking it easy before the New Ye.. http://------/5MQnJ6 More... Follow us on Twitter.
  15. M

    6mm main bonding existing

    Would it be okay to use the existing the old green sleeved 6mm main bonding cable to gas/water as customer does not want any wiring or floorboards lifted up. Will i have to state this in the departures box or comments box that mainn bonding was not upgraded
  16. S

    6mm T+E becomes 2.5 T+E at cooker point

    Hi Guys, I have started a PIR at a house today and the cooker supply leaves the CU as a 6mm T+E (32amp MCB) and at the cooker Switch it's a 2.5mm T+E. The previous owner was a real cowboy. :( I'm guessing the old cooker switch was in the wrong place so he extended it with 2.5 T+E and sealed...
  17. C

    6mm for 9.5 shower??

    Got a shower to wire the length of the run is about 4m to d/p switch would i get away with 6mm ???yeah a would norm run a 10mm but this is for a friend who is struggling wi ££££!!and i have a load of 6mm!!! the shower is a 9.5 kw thanks
  18. S

    Adibatic equation for 6mm earth

    As a matter of intrest how is the calc worked out for working out whether a 6mm main bond on a Tns complies
  19. S

    Extending 6mm cable

    Client wants cooker moving and therefore a longer cable run is required, the existing cable tests out fine with >299M ohms and good continuity. The cable has been run behind old oak panel which client does not want touching, so whats my best option for joining 6mm cable that meets regs? Thank you
  20. B

    6mm socket

    was doing some work in a kitchen this week, there are 2 sockets that are run off the old cooker circuit, 6mm t&e into the first socket then 2.5 from that to the other.... mcb has been changed to a 20a one. is this ok?

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