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Old 9th Jul 2019, 8:47 am   #100
GrimJosef
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Join Date: Sep 2007
Location: Oxfordshire, UK.
Posts: 4,311
Default Re: 13 amp fuse for 1.5mm mains flex?

Quote:
Originally Posted by rambo1152 View Post
... that shouldn't preclude us from putting in a lower value to give added protection to the appliance.
Well there are those who argue that it should. The appliance is supposed to be fully protected in and of itself ('fully' in the sense of having no need at all for additional protection). Once we start using the plug fuse for appliance protection we run the risk that we will become sloppy about doing the job properly in the appliance itself.

An appliance fuseholder should be labelled with the correct rating and only a fool would fit a larger fuse there. But plugs are not labelled (or if they are it will be in accord with BS1363) and Joe Public is much more used to the fact that they should only properly be fitted with a BS1362 fuse. So when the dodgy tiddler botched into the plug fails he will 'do the right thing' and fit a proper one, unaware that the appliance might now not be protected.

BS1362/1363 is a safety system. I'd no more recommend non-compliance with it than I'd recommend that people make their own brake pads for their cars or try to refill their own fire extinguishers.

Cheers,

GJ
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