andy pugh wrote: > The plug fuse is intended to protect the appliance flex (the device > should be internally fused, if it matters). The idea is that a short > in the appliance can't burn out the flex between the plug and > appliance. > > <snip> > > So, I agree that the plug fuse can protect a dodgy ring main, but it > is in the wrong place to do that by design. > Yes, I specifically like the plug fuse as a way to protect fine-gauge appliance cords, not the building wiring. I have seen appliances where the cord (you call this flex, I see) is very light gauge, and worry that if the appliance shorts or maybe furniture crushes the cord that it might not draw enough current to trip the breaker. Of course, the other fix is to never permit cords finer than, perhaps 14 Gauge (in our AWG scale). I know I've seen many appliances with 18 Gauge cords, and some that look even finer.
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