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LV fuse replacement safety

Kelly Marie Angel

Hi all I know that in this country and possibly in Europe too when DNO faultsmen  are replacing LV fuses in substations and distribution  pillars  they generally wear lots of PPE  sensible in view of  the flash and bang you get if there's still a fault however I saw a video from India  where the guy literally stood on top of the transformer  and put fusewire  a cross the LV terminals where I'm guessing a proper fuse should go  there's no checking contacts  are isolated before putting the wire on. Similar with the HV side the videos by BEEE WORKS  The videos are only a year or 2 old

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    Kelly, I prefer to turn off via a main switch before removing any fuses. The new ones can then be inserted dead. Any covers of equipment can then be put into place or door closed. Afterwards the main switch can be turned back on again. Any explosion can then be contained within the H.R.C. fuse itself or within the equipment.

     

    Weird robot voice explains the parts of an H.R.C. fuse.

     

    HRC (High Rupturing Capacity) fuse - Bing video

     

    Z.

     

     

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  • 0

    Kelly, I prefer to turn off via a main switch before removing any fuses. The new ones can then be inserted dead. Any covers of equipment can then be put into place or door closed. Afterwards the main switch can be turned back on again. Any explosion can then be contained within the H.R.C. fuse itself or within the equipment.

     

    Weird robot voice explains the parts of an H.R.C. fuse.

     

    HRC (High Rupturing Capacity) fuse - Bing video

     

    Z.

     

     

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