Who can test a breaker live/dead/live?
turn it off and on???
Establishing an electrically safe work condition as per the testing requirements of NFPA 70E-2015, Art 120.1(5) "live-dead-live" is to be accomplished by a qualified person. NFPA 70E-2015, Art 110.4(A)(1).
Stephen Benton, CESCP
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