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Dating an Installation.

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Please help me to date this installation with earliest and latest dates.


Cream coloured Henley fuse box with cartridge fuses. Hinged lid to cover fuses.


P.V.C. insulated 7/.029 socket cables, tinned copper.


Lighting circuits with no earthing.


Cream coloured M.K. wiring accessories.


M.K. double sockets with four fixing screws.


Thanks,


Z.




  • 0
    Screwits used well may be fine, the problem is partly the way they were used, and often left dangling in mid span with no strain relief or mechanical protection. Nothing quite like crunching one underfoot in the loft to put you off them totally. 

    Mind you 20 years earlier and you might have been removing twist joints in cotton covered singles, with the joints bandaged in 'Empire Cloth' branded black tape, so progress of a sort.

    Mike.
  • 0
    Empire cloth.

    Reminds me, as a kid, lots of stuff had "Empire Made" on it and some shops stated prices in Guineas  even though the Guinea was disbanded yonks previously/.


    No you could not get Fish, Chips & Peas plus a pk ten fags and a book of matches for a farthing, even back then. It`s a myth !
  • 0
    No CPC on lighting is pre-1966 and CPCs came in with the 14th Edition.


    Screwits aka "dogs cocks" covered with Empire tape was a very early practice that lingered on until plastic connector blocks and PVC tape became available.
  • 0
    The current edition of 'Wiring Matters' gives help ageing an installation, found here:
    https://electrical.theiet.org/wiring-matters/years/2021/84-march-2021/estimating-the-age-of-an-electrical-installation/
  • 0
    Have you youngsters forgotten that 3M produced 'locktite' connectors that 'locked' the connector round the cable or that Cables and Plastics were the first company to produce pvc/pvc cable before BICC managed to crack the problem of having PVC round rubbler insulated cable without damage. Sorry, I'll go back to my bed to rest.
  • 0
    Ideal sells modern screwit type connectors, which I think are excellent, certainly a lot better than Wagos (which I don't like very much) because they have much larger contact areas, and are much less likely to get corrosion problems. They are also mechanically much stronger too, and the wires are not free to rotate when moved. They have been used for many years and are very rarely faulty when found, and at least as reliable as choc blocks. I really don't understand why some don't like screwits, particularly the modern plastic types with a metal insert.

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