Cat 3 Communications Cable – Legacy Voice & Low-Speed Data UTP
Category 3 (Cat 3) is a twisted-pair communications cable used primarily for voice/telephony (PBX), key systems, and other low-speed data/control circuits. Typical constructions are 24 AWG solid bare copper, UTP, in 2–25 pair counts with CM/CMR/CMP jacket options for general-purpose, riser, or plenum spaces (verify per item).
Industry Standards & Compliance
- ANSI/TIA-568 (Category 3) — legacy Category 3 performance class
- UL communications cable listings such as CM/CMR/CMP (verify per item)
- NEC Article 800 — Communications circuits/cables (usage and space ratings)
- RoHS-3 compliant materials (as stated on item page)
Key Features of Cat 3 Cable
- UTP 24 AWG solid bare copper (stranded available on select cords/pigtails).
- Pair counts: common 2, 3, 4, 6, 12, 25 pair (availability varies).
- Jackets: CM (general), CMR (riser), or CMP (plenum) — verify per item.
- Color-coded pairs; typical gray outer jacket for premise runs.
- Designed for voice/telephony bandwidth; suitable for low-speed data/control lines.
Common Applications
- PBX and key-system telephone cabling
- Analog/digital voice cross-connects and extensions
- Low-speed data, control, and signaling circuits
- Legacy premise infrastructure and add-ons/maintenance
Ordering Cat 3 Communications Cable
Choose pair count, jacket rating (CM/CMR/CMP), and packaging. Custom Reel Cuts offered on eligible items.
Always confirm the product’s print legend and datasheet for exact pair count, conductor type, jacket rating, and any special requirements from your AHJ. For higher-speed data networks, consider Category 5e/6 alternatives.
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