On Sun, 29 Dec 2019 23:41:59 +0000, Steve Walker
wrote:

On 29/12/2019 14:52, John Rumm wrote:
On 29/12/2019 13:01, Scott wrote:
Fuses are available as 1A, 2A, 3A, 5A, 7A, 10A and 13A yet only 3A and
10A seem to be in common use.

3A, and 13A were typically the most common. (and originally the only
other commonly available value was 5A).

There seems have been a growth in use of 10A however - probably down to
the flood of dubious "13A" accessories and extension leads landing here
from the middle kingdom.

IIRC the IEC plugs commonly used on computer, hi-fi, entertainment
systems, even (hot version) kettles these days, are only rated for 10A.
As they may be swapped between devices, it'd make sense to make them all
rated 10A and use a 10A fuse.

I noticed that with two computer cables both fused at 10A. I replaced
the printer with 5A (claimed rating 2.5A). I don't know what to use
for the PC itself because of the array of components involved.
Thinking about 7A :-)