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420 Watt Hedge Trimmer.

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The owner of the 420 Watt hedge trimmer decided to redesign the 0.75mm2 two core flex by cutting through it. This caused a dead short. His house is supplied by a TN-C-S supply. It has a consumer unit in the house with a B16 M.C.B. dedicated to supply his garage. The house consumer unit is a split load type with 30mA R.C.D.s. The hedge trimmer had a 13 amp plug fuse fitted. It was supplied via an extension lead fused at 5 Amps.


In the garage, where the hedge trimmer was plugged in,  there is a two way garage unit with a B16 M.C.B. for the sockets and a 30 mA R.C.D.


When the hedge trimmer flex was cut through which protective device(s) tripped off or ruptured?


Z.




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  • 0
    I threaded by hedge trimmer flex through a bit of old hosepipe so it is now too fat to get into the teeth of a hedge trimmer. (that was after I cut the flex once).

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  • 0
    I threaded by hedge trimmer flex through a bit of old hosepipe so it is now too fat to get into the teeth of a hedge trimmer. (that was after I cut the flex once).

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