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  1. J

    New boiler with a fancy flue

    Hi, 11M x 10M over 3 floors, no cavity walls and absolutely mahoosive draughty single glazed sash windows which cannot be replaced. Intelligent heating controls sounds expensive. There is only one zone on the system but I would like some sort of stat to shut the boiler down when the...
  2. J

    New boiler with a fancy flue

    Hi, I am thinking about moving my boiler to a more convenient location in the centre of the building as the current one is almost as big as a house and has a very noisy dilution flue on it. I want to locate it in the centre of the building approximately 4m from the nearest wall. The wall...
  3. J

    Village post office

    I hate post offices too, they are always shabby, contain people who cough a lot and when you get to the counter you find that they dont offer that service here! Co-Ops on the other hand are even more annoying. Their own brand food isnt that good but they do sell good brands too so its not...
  4. J

    Valley Tiles in a Ightham Roof

    Hi, I have a roof with Ightham concrete tiles. One of the valleys is leaking so I intend to lift the tiles, replace the underslating and rebed the tiles. I cant find valley tiles in any flavour other than Rosemary, so, does any one know where (in chesterfield or sheffield) I can get...
  5. J

    Fluorescent Lighting - Switch Start or High Frequency ?

    Hi, Yes, I meant electronic starters (forgot the name there) :wink: These are definately HF fittings, not the choke and earthed strip ones. we had some of those, philips i think, and they didnt work :) Aggreed that the HF fittings work better at low temperatures. I am speaking...
  6. J

    Fluorescent Lighting - Switch Start or High Frequency ?

    Switch start - Reliable, cheeaper can be fitted with HF starters. Not good with rotating machinery, flicker to start, some flicker at end of life. (HF starters stop the flickering) HF - Expensive, seem to last only a few years, sporadic starting of lamps, ie, you need to turn the fitting off...
  7. J

    Guess the cable

    Not in a boiler room :) Not 1.74 or 1.78mm either (i misread the micromoeter) :) like i said, the whole place is wired up in it. FP100 or high temp silicone rubber. I have found pics of the silicone stuff and it looks like it. As we all know drawings and plans alter but the original spec...
  8. J

    Guess the cable

    It could be, itm is pretty toug stuff, there is a tape inside it which states that it is heat resistant to 85c
  9. J

    Guess the cable

    its definately not VIR. it feels a little bit like heat resistant flex
  10. J

    Guess the cable

    It is on the plans drawn in 1969 and they specify FP100. Presumably it doesnt look like new FP because it has been updated...
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  12. J

    Guess the cable

    close :) our boiler room exploded in the great propane boiler explosion when somebody purged the propane lines with propane instead of nitrogen then pressed the ignition button. Since the room was demolished I dont know if any was fitted there. This is used in our warehouses with an ambient of...
  13. J

    Guess the cable

    looks can be deceptive :) I will reveal all later on :)
  14. J

    Guess the cable

    It is phase, there is no CPC as it is done in steel conduit. The only other type of cables to this board are PVC SWA clipped direct. The majority of the circuits are done with this cable, we have red, white and blue. It supplies lighting, extraction fans andd control panels. It is in...
  15. J

    Guess the cable

    isnt FP200 multicore? This was supplying a ring circuit....
  16. J

    Guess the cable

    Hi, Since I am stuck in work today I thought I would add a picture of some cable that we are having altered about a bit. It was installed in 1969, the diameter of the core is 1.74mm tinned copper. Other than that, has anyone come across it before? If somebody guesses it straight...
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  18. J

    Main Supply Transformer Fuse

    Ok, an ostrich would have been a better example :lol:
  19. J

    Main Supply Transformer Fuse

    The equipment after the meter is your responsibility and everything up to and including the meter is someone elses. If you damage your supply cable, you may be charged. Noticing your username, If you build a new house, the DNO will survey and decide what is needed to give you a supply. If...
  20. J

    Metal cased wiring is it safe

    We had some wiring inspected at work which was given a code 2 as they thought it was VIR. The wiring was installed in 1968 and they said it must have been old stock but it was in strangely good condition. I didnt believe them so investigated further and discovered that it was FP100 cable...
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