Re: 13 amp fuse for 1.5mm mains flex?
In my experience fuses blow for two reasons, old age or a (possibly intermittent) short-circuit somewhere.
I have a 3kW fan heater which probably draws in excess of 13A. The fitted plug overheated destroying itself and the socket it was plugged into, but the plug fuse remained intact. There've been no problems with the replacement MK plug which was salvaged from a scrap item.
As for extension leads I've seen several which have melted as they haven't been uncoiled before a heavy load was applied.
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Graham. Forum Moderator
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