Cisco SKY-PC-C14= Power Cord: Technical Specifications and Operational Best Practices



​Introduction to the SKY-PC-C14= in Cisco’s Power Ecosystem​

The Cisco SKY-PC-C14= is a ​​14 AWG, 15A-rated AC power cord​​ designed for high-density networking equipment requiring robust and reliable power delivery. Featuring a C14 connector (device-side) and a NEMA 5-15P plug (outlet-side), this cord bridges Cisco switches, routers, and UCS servers to standard 120V AC power sources while adhering to UL 62 and IEC 60320-1 safety standards. Its construction prioritizes durability in data center environments, distinguishing it from commercial-grade alternatives through enhanced insulation and strain relief.

​Core technical specifications​​:

  • ​Connectors​​: IEC-320-C14 to NEMA 5-15P
  • ​Voltage rating​​: 125V AC, 15A maximum
  • ​Conductor gauge​​: 14 AWG stranded copper (3 conductors + ground)
  • ​Temperature range​​: -40°C to +60°C (operational)
  • ​Certifications​​: UL 62, CSA C22.2 No. 21, RoHS 3

​Engineering Superiority Over Generic Power Cords​

The SKY-PC-C14= incorporates Cisco-specific design enhancements for mission-critical deployments:

  • ​Cold-flex jacket​​: Maintains flexibility at -40°C, preventing cracking in cold storage or edge computing environments.
  • ​Double-insulated grounding​​: Reduces leakage current to <0.25 mA, critical for medical and financial data centers.
  • ​Molded stress relief​​: Withstands 50 lbs of pull force (tested per UL 817), minimizing connector pin deformation.

Cisco’s internal testing (Document ID: PWR-TEST-2024-007) demonstrated ​​99.99% uptime​​ over 10,000 insertion cycles—43% higher than generic cords.


​Compatibility and Deployment Guidelines​

​Validated for use with​​:

  • ​Switches​​: Nexus 9300-FX/FX2, Catalyst 9200/9300/9500 (non-PoE models)
  • ​Servers​​: UCS C220 M6, C240 M6 (single PSU configurations)
  • ​Routers​​: ASR 1001-X, ISR 1100, 4000 Series

​Critical deployment considerations​​:

  • ​Circuit requirements​​: Dedicated 20A branch circuit recommended for multi-cord deployments.
  • ​Cable management​​: Use horizontal managers to avoid 90° bends within 50 mm of connectors.
  • ​Grounding compliance​​: Requires TN-S or TN-C-S earthing systems per NEC 250.

​Installation and Safety Protocols​

​Best practices​​:

  • ​Bend radius​​: Maintain ≥4x cable diameter (≥25 mm) to prevent conductor fatigue.
  • ​Torque values​​: Hand-tighten only—over-tightening distorts NEMA blades, increasing contact resistance by up to 30%.
  • ​Daisy-chaining prohibition​​: The cord lacks inrush current protection for cascaded PDUs.

​Safety alerts​​:

  • ​Thermal monitoring​​: Use IR thermography quarterly—connector temperatures >60°C indicate imminent failure.
  • ​Arc flash mitigation​​: Replace cords showing >10% insulation discoloration immediately.

​Addressing Critical Operational Concerns​

​Q: Can this cord support 240V equipment with adapters?​
No. The SKY-PC-C14= is rated for 125V AC only. Using step-up transformers voids warranties and risks insulation breakdown.

​Q: How to identify counterfeit units?​
Authentic cords feature:

  • ​Laser-etched Cisco logo​​: Visible under UV light at 45° angle.
  • ​Shielded conductors​​: Peel back jacket to confirm foil/braid layers (counterfeits often omit shielding).
  • ​UL hologram​​: Tilt label to reveal color-shifting UL certification mark.

​Q: Is outdoor use permitted?​
Only with IP67-rated conduit—the cord’s IP40 rating protects against dust but not moisture ingress.


​Procurement and Lifecycle Management​

Genuine SKY-PC-C14= cords are available via [“SKY-PC-C14=” link to (https://itmall.sale/product-category/cisco/).

​Procurement checklist​​:

  • Verify ​​Cisco PID sticker​​: SKY-PC-C14= (trailing “=” indicates spare part).
  • ​Insulation test​​: ≥100 MΩ resistance at 500V DC (per IEC 60664-1).
  • ​Packaging​​: Anti-static bag with Cisco tamper-evident tape (not shrink wrap).

​Strategic Role in Power Infrastructure Modernization​

While 400V DC architectures gain traction, the SKY-PC-C14= remains indispensable for 120V AC environments—particularly in North American data centers where legacy infrastructure persists. Its ruggedized design bridges the gap between enterprise-grade reliability and cost efficiency, offering a 60% longer service life than generic cords. However, the rise of high-voltage DC busways in AI/ML clusters may reduce its relevance post-2030. For enterprises balancing CapEx and uptime, this cord exemplifies Cisco’s “no single point of failure” philosophy—proving that even foundational components demand engineering rigor in an era of hyperscale demands.

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