Class 4 Laser Laboratories

Red, mushroom-type, room/area emergency power shutoffs shall be installed in conspicuous locations that are easily accessible from the laboratory entrances. The switches shall be clearly and conspicuously marked with the words “Notice — In Emergency, Push Button to Shut Down Laser.”


ANSI Z136.1

NFPA 115 6-5.1


All laser labs shall be provided with easy egress. Crashbar hardware can be used on outward-swinging doors.


UC Practice