> ... which caused something like
> 1000 amps to flow, which exceeded the interrupting rating
> of my fuse,
> caused it to arc over, carbonizing and then igniting.

A good but expensive lesson to learn. This is where the
reason that "HRC"* fuses exist and are specified, or
required under certain standards.

One discussion. Much more available on HRC.

        http://www.panickker.net/article5.htm

        Russell


* High Rupture Capacity.


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