Belden 5300UE is an industry-standard, heavy-duty 2-conductor unshielded security and audio cable engineered for multi-purpose low-voltage installations requiring a heavier current capacity or lower resistance than standard 22 AWG wire. Featuring 2 independent 18 AWG conductors, this cable is UL-rated as CMR (Communications Riser), making it safe and compliant for vertical installations between floors, inside riser shafts, or within walls. It offers an optimized balance of low voltage drop, high stranded flexibility, and code-approved safety for power-limited circuits.
Key Features of Belden 5300UE
Heavy-Duty 18 AWG Wire Gauge: Built with larger 18 AWG conductors to support longer cable runs and higher current demands with minimal voltage drop, making it ideal for critical low-voltage power and signaling pathways.
Ultra-Compact 2-Conductor Build: Packages a single twisted pair (2 discrete 18 AWG circuits) into an optimized, narrow-profile cable jacket, minimizing footprint in crowded conduits, terminal boxes, and narrow wall cavities.
CMR Riser Safety Rating: Certified with a UL 1666 Riser rating. The flame-retardant PVC jacket is engineered to prevent the spread of fire vertically from floor to floor, satisfying strict commercial building code requirements.
Highly Conductive Stranded Copper: Manufactured with premium stranded bare copper conductors (7 x 26 stranding layout). This stranded configuration delivers exceptional physical flexibility, making it easy to route around tight corners and through complex structural cavities.
Premium Polypropylene Insulation: Conductors are wrapped in a high-dielectric polypropylene (PP) insulation. This formulation ensures stable electrical performance and prevents physical conductor-to-conductor shorts within the jacket.
Rip Cord Integration: Includes a built-in nylon rip cord beneath the jacket, allowing installers to easily score and strip back long sections of the outer sheath without risking damage to the inner conductor insulation.
Common Applications
Commercial Security & Access Control: Interconnecting single-zone door contacts, window sensors, glass-break detectors, motion sensors, panic buttons, and magnetic locks or door strikes requiring low-voltage power supply loops.
Intercom & PA Systems: Connecting individual localized intercom stations, public address horn networks, and master control voice lines.
Sound & Audio Distribution: Wiring high-fidelity background music systems, residential stereo zones, and commercial 70V/100V speaker lines where a larger gauge is needed to preserve audio quality.
Background Control & Signaling: Distributing simple low-voltage digital signals, single-stage relay controls, HVAC remote temperature sensors, thermostat linkages, and industrial automation commands.
Conductor Identification: Belden Standard Multi-Conductor Color Code
Technical Specifications
Part Number: Belden 5300UE
Conductor Size: 18 AWG
Number of Conductors: 2
Conductor Type: Stranded Bare Copper (7 x 26 layout)
Insulation Material: PP (Polypropylene)
Shielding: None (Unshielded)
Jacket Material: PVC (Polyvinyl Chloride) with Rip Cord - Gray
Voltage Rating: 300V RMS
Temperature Rating: -20 degrees C to +75 degrees C
Flame Test Ratings: UL1666 Riser, FT4, IEC 60332-1-2
Compliance Standards: NEC Article 800 Type CMR, CEC Type CMG, California State Fire Marshal Approved, RoHS Compliant
Technical Note: Because Belden 5300UE is an unshielded cable, it is highly flexible and cost-effective but lacks protection against severe high-frequency electromagnetic interference (EMI). To avoid signal degradation, noise coupling, or data corruption, do not route this low-voltage cable parallel to high-voltage AC power lines (120V/240V or higher) within the same wall cavity or conduit unless separated by an approved physical barrier or a minimum distance of 50 mm (2 inches). If your layout requires installation through drop ceilings utilized for environmental air exchange, the plenum-rated equivalent (Belden 6300UE) must be used instead.
CABLE TYPE: 18 AWG / 2-Conductor Stranded Unshielded Riser Cable
DISCLAIMER: The technical information provided is for general reference only. Low-voltage electrical and security installations must strictly adhere to the National Electrical Code (NEC), local building structures, and relevant NFPA fire safety standards. Always cross-reference the official Belden manufacturer data sheet prior to finalizing physical system designs.