On Thu, 5 Jan 2017 19:14:26 -0000, "Dave W"
wrote:

It's recently dawned on me that wall-warts don't have replaceable
fuses, or
maybe they have no fuses at all. That is not in the spirit of 13A
plugs
which all have fuses. Granted they're to stop the wire burning up,
but it
doesn't surprise me that some wall-warts burn. It would be prudent
not to
have them powered up when unattended.

Don't they have thermal cutouts?

--
Max Demian