Re:Simple Sabotage Field Manual (1944) [pdf]
by xattt on Friday February 14, 2020 @08:22AM
(#22326246)
I tried searching, but couldn’t find details when they became an National Electrical Code requirement. I’ve lived in a 1980s construction building where there was still a fuse box.
(Most of the results I came across were around the recent AFCI requirement for breakers in residential construction.)
https://en.wikipedia.org/wiki/Circuit_breaker