As an addendum to my earlier post I found this on "Experience"
https://www.ahexp.com/forum/the-sprite-forum.6/size-of-fuses-58-bugeye.229621/
Dave W
'59 :{)
'59 MGA 1500
"Pay It Forward"
On 4/16/2025 7:19 PM, Bill L. via Spridgets wrote:
> Hello Paul,
>
>
> There's something about the ratings of those old British fuses that's odd.
> They are IIRC slow blow so not rated as we would normally think them.
>
> I know BugEyeGuy sells a dummy regulator )for use with a GENERNATOR with a
> 50A fuse link. I have one. .. On the other hand fuses are to protect the
> wires, not the devices that utilize the power. So what is the size (and thus
> the amperage rating of the wiring? I think that largest other than the
> starter is 14, (15A capacity in house wiring) but even if it's 12 that's
> still only 20A. .. On the other hand the starter is wired with #4. That's
> 100A house wiring and a typical starter in an MGB (from my quick research) is
> over 250A.
>
> All that taken into account, I think BugEyeGuy has it correct and the 50A
> fuse link has never cause me any problem.
>
> (here's where I mention that I put my STEBEL horn on it's own fuse as it
> draws 18A. 125db IIRC.
>
>
>
>
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