PE-9—Power Equipment and Cabling
IL4 Mod
IL4 High
IL5
IL6
>Control Description
Protect power equipment and power cabling for the system from damage and destruction.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
Organizations determine the types of protection necessary for the power equipment and cabling employed at different locations that are both internal and external to organizational facilities and environments of operation. Types of power equipment and cabling include internal cabling and uninterruptable power sources in offices or data centers, generators and power cabling outside of buildings, and power sources for self-contained components such as satellites, vehicles, and other deployable systems.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What policies govern power equipment and power cabling for information systems?
- •How does the organization define power requirements and redundancy needs for different system criticality levels?
- •What is the process for reviewing and updating power infrastructure to meet system needs?
- •How are power-related risks assessed and managed as part of overall facility planning?
- •What governance exists for coordinating power infrastructure changes with system owners?
Technical Implementation:
- •What power systems support information systems (UPS, generators, redundant feeds)?
- •How are power systems configured to provide adequate capacity and redundancy?
- •What monitoring and alerting capabilities exist for power systems?
- •How are power cabling and distribution panels protected from unauthorized access?
- •What automatic transfer mechanisms exist between primary and backup power sources?
Evidence & Documentation:
- •Provide documentation of power equipment specifications and capacity ratings.
- •Provide diagrams showing power distribution, UPS, and backup generator configurations.
- •Provide power system maintenance and testing records from the past year.
- •Provide evidence of power failure events and responses.
- •Provide documentation of power cabling protection and labeling.
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