Belden 4300ULW.02305 Security & Sound Cable, 2 Conductor, 18 AWG, Plenum, Blue, 1000 ft

For demanding security and sound installations, the Belden 4300ULW.02305 is a high-performance two-conductor cable that delivers reliable signal integrity and durability. Engineered with stranded bare copper conductors and a full Beldfoil shield, this plenum-rated cable ensures excellent protection against interference while meeting strict fire safety codes.

Advantages

This cable features 100% Beldfoil shielding coverage and an integrated 20 AWG stranded tinned copper drain wire, making it ideal for protecting sensitive audio and control signals from electromagnetic interference. The plenum (CMP) jacket is manufactured from low smoke PVC, allowing safe installation in air-handling spaces without violating building regulations. Its FEP insulation provides excellent dielectric properties, supporting long cable runs with minimal signal loss.

Suitable for

• Security systems and CCTV camera connections
• Intercom and public address (PA) systems
• Audio and sound installations
• Access control systems

Key specifications

• Number of conductors: 2
• Conductor gauge: 18 AWG stranded bare copper
• Shielding: Beldfoil® (aluminium foil-polyester tape) with 100% coverage
• Drain wire: 20 AWG stranded tinned copper
• Jacket: Plenum (CMP), low smoke PVC, blue
• Cable length: 1000 ft (305 m)
• Insulation: FEP (fluorinated ethylene propylene)
• Nominal outer diameter: 4.32 mm (0.170 in)
• Voltage rating: 300 V
• Temperature rating: -20°C to +75°C
• Nominal capacitance: 27 pF/ft
• Nominal impedance: 60 ohm
• Approvals: UL Listed CMP, NEC Article 800

Recommendations

Choose this Belden cable for reliable, code-compliant signal transmission in commercial and residential plenum spaces. Its robust shielding and low-loss construction make it a top choice for professional security and audio installers.