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Windmill[_3_] Windmill[_3_] is offline
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Default Will a 16 amp MCB give similar protection to a 13 amp fuse?

writes:

Boats tend not to have anywhere one can mount 'flush' boxes because
the other side of that panel you can see is either water or another
cabin (or inside a storage space).


They (Homebase, B&Q, CPC) sell triple 13 A. sockets with one integral
13a. fuse which are capable of either surface mounting using the
supplied plastic back box or recessed mounting into an MK triple metal
pattress (though the latter is difficult to find).
Primarily intended to convert an existing single socket to a triple
socket, and the built-in fuse protects against overload.

Though of course that doesn't help much if you also want European
sockets.

(This is irrelevant to your query, but it's interesting to compare
fusing curves for old rewireable consumer unit fuses with those for
the cartridge fuses which for a time replaced the rewireables.
The rewireables seemed to blow more quickly so better protection.
But of course more risk that someone would then replace the fuse
wire with a chunk of heavy copper wire from a cable, which would be
a very dangerous thing to do).

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