On Thu, 8 Sep 2016 08:12:16 +0100, "Brian Gaff"
wrote:

I always thought that shaver adaptors had to be fused, but one I bought at
Comet just before they shut was a little loose on the shaver plug so I took
it apart to respring the bits. Not a fuse in site.
So much for approved devices. One might expect this from a pound store or a
market but not Comet.
I'm not saying its actually dangerously built just not what one would
expect, so I fancy its a counterfeit.

It is common for such devices to be protected by a non replacable
fuse/thermal fuse embedded within the transformer windings.