SHEET METAL SHOP
HIGH VOLTAGE exists in electrical system of shop. All electrical inspections,
repairs, or replacements will be performed with power OFF and only by qualified
electricians. Serious shock hazards exist which could result in INJURY OR
EVEN DEATH to personnel.
DISCONNECTING MAIN POWER CABLE
1. Ensure that all electrical tools and shop equipment are OFF.
2. Before disconnecting main 100 amp power cable, ensure that all circuit breakers (including main circuit
breaker) in circuit breaker panel are in the OFF position.