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    SCP 18/4 Plenum-Rated Communication & Security Wire (1,000') — Specifications

    September 08, 2026 1 min read

    Specifications for SCP 18/4P plenum-rated 4-conductor communication/security wire, 18 AWG, 1,000 ft spool.

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    Full text manual (for reference)

    Product specification sheet for SCP 18/4P — 18 AWG 4-conductor plenum-rated communication/security wire, white, 1,000 ft spool.

    Overview

    This is a general-purpose 4-conductor 18 AWG plenum-rated wire suitable for low-voltage communication, security, and control wiring runs where a plenum rating is required (per NEC Articles 800, 760, 725). It carries UL CL2P/CL3P and FPLP/CMP listings with a flame rating of FT-6.

    Construction & Ratings

    Conductor 18 AWG, 7-strand SBC (stranded bare copper)
    Insulation / Jacket PVC / PVC
    Final Diameter 0.184″ (cabled OD avg. 0.138″)
    Total Cable Weight 45 kg/km
    DC Resistance (25°C) 6.7 Ω/1000 ft
    Mutual Capacitance 27.9 pF/ft
    Impedance 64.7 Ω
    Velocity of Propagation 62%
    Inductance 1.4 mH/km
    Insulation Thickness 0.008″
    Jacket Thickness 0.015″
    Min. Bend Radius/Minor Axis 1.288″
    Operating Temperature -20°C to 75°C (standard UL temp: 75°C)
    Max Voltage 300V
    Certified UL CL2P/CL3P or FPLP/CMP
    Flame Rating FT-6
    NEC Articles 800, 760, 725
    Package Weight 40 lbs / 18.18 kg (1,000 ft spool)

    Marking

    STRUCTURED CABLE PRODUCTS — P/N 18/4P — (UL) CL2P/CL3P E132885 OR FPLP 75°C (UL) C(UL) CMP FT-6 UNSH 4/C 22 AWG — ZONE/DEVICE A B C D E 0 1 2 3 4 5 6 7 8 9 RoHS. Sequentially marked per 2 ft (0–infinity).

    Manufacturer

    Structured Cable Products (SCP). www.scpcat5e.com, sales@scpcat5e.com