Re: "Short circuit"
This guy should have known better. He was an HVAC contractor mounting a piece of equipment to a rooftop unit. He pierced a wire and it blew the 100-amp fuse at the main instead of tripping the 40-amp breaker.
The contractor had his helper go back to the truck for some Z rail they use to connect ductwork, drilled two holes in it and replaced the 100-amp fuse. Walked away and never looked back.
We would never have known had the helper not lost sleep over it and finally told the facility manager.
Some people.
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