Member postings for Andy Stopford

Here is a list of all the postings Andy Stopford has made in our forums. Click on a thread name to jump to the thread.

30/03/2020 20:12:39

As I understand it, the main, even sole, reason for having a fuse in the plug is to protect the flex in the event of a short circuit in the appliance.

With the high currents possible with a ring main, the circuit has to have a high rated fuse, which might not blow even though a faulty appliance is drawing enough current to set its flex on fire.

Although this kind of fault seems a bit implausible with the sort of things we plug into the mains these days, I suspect it might have been more of an issue when the BS for these was devised, e.g. a radiant bar heater might have a 'partial' short circuit across its coils (amongst its many other house-fire-starting modalities).

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