HIGH VOLTAGE exists in electrical system of shop. All electrical inspections, repairs, or
replacements will be performed with power OFF and only by a qualiied electrician. Serious
shock hazards exist which could result in INJURY OR EVEN DEATH to personnel.
Replacing Circuit Breakers.
Move all circuit breakers to OFF position and tag.
Mark and disconnect wires from circuit breaker that will be removed.
Do not completely remove screw; loosen only enough to allow removal of circuit breaker.
Loosen screw securing circuit breaker.
Pull circuit breaker from bus bar and remove from circuit breaker box.