Greg Kessinger is SD&I’s fire alarm and codes expert and a regular contributor. Email him your fire & life safety questions at [email protected]. Since the 2010 Edition of NFPA 72, the assignment of ...
I was fortunate enough to have learned this lesson early in my career thanks to a “kind” electrician who literally smacked me upside the head on a pre-wire, and asked “Are you stupid or something?” ...
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