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  1. A

    cutting railway sleepers?

    hi can someone give me some advice on the best (easiest) way to cu railway sleepers. Cheers
  2. A

    BS 88 Types?

    OK how do you tell & what is the differenece between BS 88 main fuses types: gG, mG & aM :?
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    short cicuit capacity?

    thanks i've found it now.
  4. A

    short cicuit capacity?

    anyone know the short circuit capacity for BS 3871 Type 4 breakers?
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    main switch & fuse identification

    ok great info but what or who is wiki?
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    main switch & fuse identification

    Sounds daft, but does anyone know of a publication that lists fuses, main switches etc in a format that has pictures & bs numbers etc? Only it seems to me there is a market for such a publication to help people recognise the multitude of different devices that are & have been used! Thanks if...
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    tracing a short circuit

    can anyone tell me how to trace the location of a short circuit in a radial socket outlet circuit using the insulation resistance test?
  8. A

    Calculating resistance under fault conditions

    I know i should know this but if i have 2.5/1.5 twin & earth with a BS1361 15 amp fuse what calculation do i need to do to work out the R1 + R2 value for each metre of cable. If anyone can help i would be very grateful. :lol:
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