[R-390] Blowing B+ fuse

[Barry]

The fuse was simply opened up at one end - no discolored metal plating.
Assuming a slow overdraw of current.

Thanks,

Barry - N4BUQ

<snip>

> Another thing...how did the fuse blow?  Was it just opened up at one end
of
> the element or was the inside of the glass plated with discolored metals
> indicating a sudden spike in current draw.?  (should also blow the 1/4 A
if
> that's happening though.)
>
> Just some thoughts...
>
> Cecil...