Does Nobody Ever Wonder Why a Fuse Blows?
So often on this forum I read where somebody is having or had an electrical problem only to discover that "it was just a blown fuse" or tripped breaker, as if that was the problem, and when they repla...
Forum Discussion
Fuses are mechanical connections and die of their own accord. The old glass fuses could get a bit warm if the connections were not clean and there was a lot of current passing and in turn the inside end connections would melt open leaving you with a perfectly looking fuse that was bad. In my service business we probably have changed over 50 thousand fuses in the last 40 yrs. I would bet over 50% were fuses that just got tired.
