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PE-9(1) PE · Physical and Environmental Protection

Redundant Cabling

LOW MODERATE HIGH
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Requirements NIST SOURCE

Employ redundant power cabling paths that are physically separated by [distance].

Discussion (NIST Supplemental Guidance)

Physically separate and redundant power cables ensure that power continues to flow in the event that one of the cables is cut or otherwise damaged.

Implementation Guidance

Engineering Interpretation

Original engineering commentary written for this explorer — not NIST source text and not authoritative guidance.

No engineering interpretation has been authored for PE-9(1) yet. This section is architected to receive it — see the Requirements and Assessment sections above for the authoritative NIST source content in the meantime.

Assessment

NIST SP 800-53A REV 5.2.0

Assessment Objectives

  1. distance by which redundant power cabling paths are to be physically separated is defined;
  2. redundant power cabling paths that are physically separated by <PE-09(01)_ODP distance> are employed.

Examine

[SELECT FROM: Physical and environmental protection policy; procedures addressing power equipment/cabling protection; facilities housing power equipment/cabling; system security plan; other relevant documents or records].

Interview

[SELECT FROM: Organizational personnel with the responsibility to protect power equipment/cabling; organizational personnel with information security responsibilities].

Test

[SELECT FROM: Mechanisms supporting and/or implementing the protection of power equipment/cabling].

Overlays

Showing the OT/ICS overlay for the parent control PE-9 — see the PE-9(1) entries within each baseline below.

OT/ICS Overlay SP 800-82r3

NIST SP 800-82r3 Appendix F, Table 22. Blank baseline means the control/control enhancement is not selected in that initial OT baseline.

LOW

Not applicable at this tier.

MODERATE

  • Base control: Included (matches standard baseline)

HIGH

  • Base control: Included (matches standard baseline)

STIGs & CCIs

No STIG checks or CCI mappings are currently loaded for PE-9(1). This section is architected to display, per product: STIG ID, Finding ID, Severity, Title, Description, Check, Fix, CCI, and NIST control mapping — but nothing is populated here until a real DISA STIG/CCI dataset is ingested.

Learn more about STIG/CCI integration →

Evidence

Potential Evidence — Derived

Categorized from the SP 800-53A "Examine"/"Test" artifact list above by keyword — not an authoritative NIST evidence list.

Policy

  • Physical and environmental protection policy
  • system security plan

Testing

  • Mechanisms supporting and/or implementing the protection of power equipment/cabling

Other Records

  • procedures addressing power equipment/cabling protection
  • facilities housing power equipment/cabling
  • other relevant documents or records