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a: Provide the capability of shutting off power to [system or individual system components that require the capability to shut off power in emergency situations is/are defined;] in emergency situations;
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b: Place emergency shutoff switches or devices in [location of emergency shutoff switches or devices by system or system component is defined;] to facilitate access for authorized personnel; and
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c: Protect emergency power shutoff capability from unauthorized activation.
Supplemental
Emergency power shutoff primarily applies to organizational facilities that contain concentrations of system resources, including data centers, mainframe computer rooms, server rooms, and areas with computer-controlled machinery.