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Discuss How old is this overcurrent protective device please? in the Electrical Forum area at ElectrciansForums.co.uk.

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  1. 1shortcircuit
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    1shortcircuit Guest

    Never seen one of these before but I'm sure plenty of you guys have. Please could someone be kind enough to tell me more about it:thumbsup

    Would this be part of the distributors equipment or the consumers?


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    Many Thanks in advance
     
  2. TaffyDuck
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    TaffyDuck Electrician's Arms

    As its on the consumers side of the meter its your customers responsibilty. Age , guess at 60s maybe early 70s but thats a guess.
     
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  3. 1shortcircuit
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    1shortcircuit Guest

    Having a tired moment;)

    This will need upgrading then as it would appear the 16mm twin and earth supplying the consumer unit upstairs is buried in the wall and I cannot see any evidence of mechanical protection.
     
  4. TaffyDuck
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    TaffyDuck Electrician's Arms

    Well an upgrade yes. Depends on the max demand in the flat but you could consider putting the supply cable on a MCB.
     
  5. Plonker 3
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    Plonker 3 Guest

    Looks all OK to me, 16mm T&E with a OCPD next to the DNO equipment which in turns looks like it feeds a DB in the 2nd floor flat.
     
  6. Knobhead
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    Knobhead Guest

    It’s in the realm of the consumer.

    It’s a 60 year old Bill 60A switch fuse. Despite what it looks like you will probably find the fuse isn’t a re-wireable but a TIA60A to BS88
     
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  7. 1shortcircuit
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    1shortcircuit Guest

    1 x Socket radial supplying fridge and washing machine, 1 x lighting radial and 1 x ring final circuit.

    My coffee cup is larger than the kettle currently in there lol.
     
  8. TaffyDuck
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    TaffyDuck Electrician's Arms

    I`d put it on an B63, would cover it by the sounds
     
  9. Plonker 3
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    Plonker 3 Guest

    Why should it be changed for a MCB? Surely if it did need changing looking at the installation method it would need RCD protection if it did.

    The OP hasn't asked about a replacement just who owns it.
     
  10. Des 56
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    Des 56 Trusted Advisor

    Location:
    Gliese 581C
    These were the top makers of isolators and switchfuses The name Bill would go hand in hand with industrial and domestic equipment
    They were fitted quite often with seperate units for sub main or power or lighting with usually one or two ways

    Removing the cover to get at the fuse holder was often the case,there is an interlock mechanism to prevent them being opened live
    Switching them on when they were open required that little bar to be depressed

    The ones used on industrial sites were more usuially hinged at the top with the isolator handle on the side and with 2 thimbscrew retainers with the same feature of interlock,I believe they have been merged with mem
     
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  11. Knobhead
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    Knobhead Guest

    Des, are you a member of the Old Farts club?
     
  12. ipf
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    ipf Trusted Advisor

    Bill/MEM have been merged a good while. Come under Eaton these days.
     
  13. Des 56
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    Des 56 Trusted Advisor

    Location:
    Gliese 581C
    I am not an old fart,Old farts are grumpy and forget things [​IMG]


    Now come to think of it, I have just remembered that I was an old fart :mad2:
    [​IMG]
     
  14. MarkieSparkie
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    MarkieSparkie Guest

    The last time I saw one of those being fitted was July 30th 1966, it was World cup final morning and the sparks were rushing to get finished so they could watch the match.
     
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  15. High Tower
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    High Tower Trusted Advisor

    Location:
    Birmingham
    Bill switch gear used to be on Aston road, perry Barr, Birmingham, used to go past it a couple of times a week
     
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