CENTRAL OFFICE POWER CABLE

Central Office Power Cable is the specialized, heavy-gauge copper cables designed to safely and efficiently transmit large amounts of DC (Direct Current) power from rectifier and battery systems to critical telecommunications equipment within central offices, data centers, and cell sites. Engineered for high reliability and low voltage drop, these essential cables commonly come in L2, L3, and L4 constructions to meet varying capacities and specific industry standards.

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Central Office Power Cable

Central Office Power Cable is a specialized Class I stranded power conductor designed for the rigorous demands of telecommunications and data center power distribution. Engineered for high-current applications in limited-space environments, this cable features a lead-free, flame-retardant, and smoke-resistant insulation that meets stringent Telcordia GR-347-CORE and UL standards. The highly flexible, tinned copper braiding or stranding allows for easy routing through tight cable trays and around dense equipment racks without compromising electrical integrity. Whether providing primary power to switching systems or secondary distribution to server frames, these cables ensure maximum uptime and safety in critical infrastructure environments.

Key Features
  • Also Known As: TelcoFlex, RG Flex, Telco Power, Data Center Cable, Telecom Power Wire, DC Power Cable.
  • Class I Flexible Stranding: Tinned copper conductors provide superior flexibility for easier installation in congested cable management systems.
  • Flame-Retardant Insulation: Features a specialized thermoset or PVC jacket rated for low-smoke, zero-halogen (LSZH) or high-performance fire resistance.
  • Tinned Copper Conductors: The tin coating protects the copper from oxidation and corrosion, ensuring long-term conductivity in high-heat environments.
  • High Voltage & Temp Rating: Rated for 600V and 90°C (dry) or 75°C (wet) to handle continuous heavy-duty power loads.
  • Regulatory Compliance: Manufactured to meet UL Type RHH/RHW-2, CSA AWM, and Telcordia (formerly Bellcore) specifications.
Common Applications
  • Telecommunications Switching: Primary power distribution for central office switching equipment and transmission systems.
  • Data Center Power Distribution: Ideal for supplying power to server racks, storage arrays, and network hardware.
  • Cell Tower Base Stations: Used for grounding and power delivery in remote radio heads and base station controllers.
  • Battery Plant Wiring: Frequently utilized in DC power plants and uninterruptible power supply (UPS) systems.
  • Industrial Control Panels: Provides reliable power routing in complex control systems where space and flexibility are at a premium.
  • Emergency Power Systems: Deployed in backup generator sets and critical life-safety electrical circuits.
  • Broadcasting Facilities: Used for high-amperage power runs in television and radio station technical rooms.

Resources & Guides

What is LSZH Cable? (Low Smoke Zero Halogen)
March 01, 2026
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