CAT3 UTP 25-pair Bulk Wire

CAT3 UTP 25-Pair Cable provides dependable voice and low-speed data transmission for PBX systems, riser backbones, multi-line distribution, and legacy voice infrastructure.

Built with 25 unshielded twisted pairs of solid 24 AWG copper in a gray CMR-rated PVC jacket, it meets ANSI/TIA CAT3 standards for reliable commercial and residential installations.

• 25-Pair Bundled Construction – Streamlines multi-line voice wiring and backbone runs, reducing installation time
• 24 AWG Solid Copper Conductors – Delivers consistent signal transmission with minimal loss
• Unshielded Twisted Pair (UTP) Design – Flexible and easy to route through conduit or cable trays
• Riser-Rated PVC CMR Jacket – Code-compliant for vertical shaft installations
• Industry-Standard Color Coding – Enables fast, accurate terminations
• Neutral Gray Jacket – Simplifies identification in mixed-cable environments
• Broad Hardware Compatibility – Terminates cleanly with punch-down panels, blocks, and standard voice hardware

Applications: Office telecom infrastructure and riser backbones, Residential voice distribution to multiple rooms/jacks, PBX and key telephone systems, Security, alarm, and low-speed signalling circuits, Intercom and paging systems, Retrofit projects replacing outdated voice lines, Telecom closet punch-down and termination fields, Light data applications (e.g., 10BASE-T, serial links).

This cable offers a practical balance of reliability, code compliance, and installation efficiency. Solid copper conductors support stable voice transmission, the CMR riser-rated jacket suits vertical installations, and the bundled 25-pair design helps reduce prep time and labor on PBX, backbone, and multi-line voice projects.