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  1. T

    Re-Wire

    Sounds like all the socket outlets are downstairs then! & all the fuse carriers have over size fusewire in them. lol
  2. T

    Torque screwdrivers

    Sorry if there is already a post on this subject. With regulations stating that installed equipment is to be as per manufacturers instructions, what % of you folks use a torque screwdriver. Thanks
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    6mm pyro...

    As an aside copper itself tends to work harden over the years & getting the pots & seals as well as the glands for imperial sizes as used in the sixties in flats with concrete ceilings would be very difficult to get these days. If one of the...
  4. T

    6mm pyro...

    I remember the first time as an apprentice making off my first pyro with the electrician watching closely. We had to make a stripping bar out of mild steel at college. having got the end started with the side cutters & then using the stripping bar (yes...
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    Oven Tripping RCD

    More or less willing to bet it is the element. I had to change a 3kw immersion heater that tripped the rcd. the tests down to earth were infinity readings & the element resistance was 19/20 ohms, text book readings in my view but it tripped the rcd...
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    sealing cables through ceilings

    Thanks for the info fellow sparkies, much appreciated
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    Back boilers

    C plan now you are going back a bit this used to be what was known as a hot water priority system the hot water tank had to be satisfied before the central heating came on. The valve itself to the un trained eye looked just like a mid position valve...
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    Back boilers

    You live & learn something everyday, Some of the potterton programmers needed links between live & terminal 5 (EP series) to feed the switching internally, the old style mini minders were fed internally, also some of the Randall programmers needed links
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    New member

    Thankyou for the welcome folks good to be onboard
  10. T

    sealing cables through ceilings

    OK guys i have question, more to do with building regs. When bringing your cables through a standard plasterboard ceiling either a ceiling pendant or even a flourscent fitting other than keeping the holes as small as possible & sealing with a suitable...
  11. T

    Back boilers

    Having been corgi registered in the past & plumbing for 25 years plus electrical i often get called in to sort out central heating problems i guess if you know how a system works it makes fault finding so much easier. I am sure Honeywell used to do...
  12. T

    Back boilers

    Are there any motorised valves cyl stat etc in the airing cupboard. Quite often if it is gravity hot water, the pump was usually near to the boiler & was switched on by using the ch switch on the timer to switch the pump on, the HW had to be on as...
  13. T

    Back boilers

    Do you know if it is gravity hot water pumped central heating or fully pumped?
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    Heating system with only one two port valve. Is this dangerous ...

    AS others have said there is a whole raft of safety devices that would have to be breached before one of these ruptured. as the water inside the vessel is above atmospheric pressure, as the pressure rises so does the temperature. At 3 bar the boiling...
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    Heating system with only one two port valve. Is this dangerous ...

    Yes this this valve is very important, it is the first line of defence in order to stop the stored water from going above 100c in the first place, the cylinder stat controls this valve (60/65c if that fails the overheat stat will operate at around 85/90c...
  16. T

    Fibreglass loft insulation

    From what i understand alot of the thermoplastic floor tiles laid in houses on the ground floor back in the fifties & sixties contained asbestos as well as textured ceilings artex etc. even the humble ironing board cover. As a previous poster has mentioned...
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    New member

    Hi everyone. Just a little intro, started apprenticeship back in 1978 with a large electrical company based in london for 4 years to complete the apprenticeship. work mainly consisted of tubing, trunking, pyro mainly on large commercial projects in the...
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