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Old fuseboard

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  • 04-03-2023 11:47pm
    #1
    Steviesol
    Registered Users Posts: 250 ✭✭


    Hello. I have an old fuseboard with screw in fuses. Reports from home that the kitchen sockets are not working. I want to buy fuses tomorrow. How many amps am I looking for, for lights and sockets does anyone know please ? Some are cylinders, others are cylinders with a belly so to speak. Thanks


    Always good to have them handy.



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    #2
    RetroEncabulator
    Registered Users Posts: 1,319 ✭✭✭RetroEncabulator


    The sizes relate to the rating. The tip of the fuse fits into a ring in the holder and larger rated fuses shouldn’t normally fit in.

    Just note the rating on the side of the fuse cartridge and replace like-with-like.

    If in doubt, photograph the old fuse or bring it in the with you. Make sure you note what type went into each holder though or you’ll have a real puzzle to solve!

    Also make sure you switch off the main switch before removing or inserting those fuses.

    Most older DIY places still have fuses in stock and electrical wholesale places will likely have all types.

    The system most commonly used in Ireland is called Diazed (Type-D or DZ). It was developed by Siemens more than a century ago and is common across all of Northern Europe (except the UK and France, which have their own systems.)

    Normally they are DZ II or III

    (These are bottle shaped but some of the larger ratings are more barrel shaped looking)

    There’s also a more compact version called Neozed (Type-N or NZ) which tends to be less commonly encountered here, but is used often found in modern main switch fuse modules

    (These are smaller and straighter in shape).

    Both systems work on the same principle and are around a very, very long time, so could be associated with wiring that might be as recent as the 80s, or could be absolutely ancient installations going way back to the 1920s.

    Normally if you’ve a fuse panel, it’s probably worth looking at rewiring.



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