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Bulk Telco Cable

Telco / Voice Bulk Wire — Cat3, Station Wire, T1 & Multi‑Pair Copper
Cat3 & 25‑Pair Trunks • Flat Satin Station Wire • T1 (100‑Ohm) • CMR/CMP/CM Jackets • Solid/Stranded Copper

Shop our selection of telco/voice bulk wire for analog phone lines, intercom, alarms, low‑speed data, legacy structured cabling, and service trunking. This category includes classic Cat3 multi‑pair cables (including 25‑pair trunks), flexible flat satin station wire for handsets/patch runs, and T1 copper builds (typically 100‑ohm) used in telecom and circuit extension applications. Choose the right jacket rating for your route (CM, CMR, or CMP), and match conductor style to the job: SOL for fixed building runs, or STR for flexible cords and repeated handling.

Why choose Gruber
  • Telco-friendly selection — common station wire counts, classic Cat3 pairs, and trunk options.
  • Install match support — we help you match pair count, jacket rating, and conductor type.
  • Custom cuts & builds — need a specific length, pull box, or a matched set? We can tailor it.
  • Clean labeling — spec-forward listings that make it easier to order the right wire.

Tip: Confirm pair count (e.g., 2‑pr vs 25‑pr), choose the correct jacket rating (CMR/CMP for building pathways), and pick SOL vs STR based on whether the run is fixed in-wall or handled like a cord.

Cut-to-Length Service — We’ll Cut Any Spool to Your Exact Footage

Need a custom length? We can cut bulk wire directly from the spool to the exact footage you choose.
Add your desired length in the order notes (or contact us) and we’ll confirm total cut charges before processing.

Cut Service Fee Rate How It’s Applied
$55 setup charge $0.065 per foot One-time setup + per-foot charge based on your requested length

Example: 500 ft cut = $55 + (500 × $0.065) = $87.50.

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Acronym Dictionary — Telco / Voice Bulk Wire Listings

Acronym Meaning
Telco Telecommunications copper cabling used for voice, control, and legacy data service.
Voice Traditional analog telephone/low-speed signaling applications (POTS, intercom, alarm, etc.).
Cat3 Category 3 twisted-pair cable commonly used for voice and low-speed data.
T1 Telecom circuit type often carried on 100‑ohm twisted pair (2-pair construction is common).
100‑Ohm Nominal characteristic impedance of 100 Ω (common for balanced twisted pair).
pr Pairs (e.g., 2pr = 2 pairs; 25 pr = 25 pairs).
2pr 2-pair cable (4 conductors).
25 pr 25-pair trunk cable (50 conductors), used for telco distribution and cross-connects.
Flat Satin Flat station wire style typically used for handset cords, short voice patch runs, and light-duty connections.
PVC Polyvinyl Chloride jacket/insulation (common general-purpose cable material).
CM Communications cable, general-use rating (basic in-wall).
CMR Communications Riser rated (vertical runs between floors).
CMP Communications Plenum rated (air-handling spaces; low-smoke jacket).
AWG American Wire Gauge (smaller number = thicker conductor).
24AWG 24 gauge conductor size (very common for telco multi-pair and twisted pair).
26AWG 26 gauge conductor size (common in flat satin station wire).
SOL Solid conductor (best for fixed in-wall runs and punchdown terminations).
STR Stranded conductor (more flexible; better for cords and frequent handling).
U/FTP Overall Unshielded jacket with Foil shields around each twisted pair (FTP).
Drain Drain wire used with foil shielding to provide an easy ground/termination path.
Shd Shielded (general shorthand indicating foil/braid shielding is present).
UL Underwriters Laboratories listing/recognition (safety compliance marking).
BLK Black.
GRAY Gray.
BEI Beige (color abbreviation).
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