Stranded Bare Copper Mini-Split Cable 14/4, Black, 250 Feet

Southwire® 14/4 Mini-Split Tray Cable – Technical Product Information

The Southwire® 58225703 14/4 Mini-Split Tray Cable is a 600-volt rated, multi-conductor control and power cable engineered for HVAC, mechanical, and industrial installations. Designed for both indoor and outdoor applications, this stranded copper cable provides reliable power transmission to ductless mini-split systems, control circuits, and low-voltage HVAC components. The construction includes PVC insulation and a nylon outer jacket to ensure superior moisture, sunlight, and abrasion resistance while maintaining flexibility during installation. The cable is UL-listed for direct burial and can be installed without conduit in compliant applications.

Technical Specifications

• Product Code: 58225703
• Manufacturer: Southwire Company, LLC
• Cable Type: 14 AWG, 4-Conductor Mini-Split Tray Cable
• Conductor Material: Stranded Bare Copper
• Voltage Rating: 600 Volts
• Temperature Rating: 90°C (dry), 75°C (wet)
• Number of Conductors: 4
• Conductor Size: 14 AWG
• Construction:
  • Conductor: 7-stranded bare copper
  • Insulation: 15-mil thick PVC
  • Jacket: 40-mil thick nylon outer covering
• Outside Diameter: 0.553 inch (553 mils)
• Color: Black
• Packaging Length: 250 feet
• Environmental Rating:
  • Moisture and sunlight resistant
  • Direct burial approved
  • Suitable for indoor and outdoor use, including wet locations
• Installation: May be installed without conduit in suitable applications per NEC
• Applicable Standards:
  • UL 1569 – Metal-Clad and Tray Cables
  • ASTM B3, B787 – Copper Wire Specifications
  • NEC/NFPA 70 – National Electrical Code Compliance
  • RoHS Compliant

Performance and Construction Features

• Designed for mini-split HVAC system interconnection, power, and control wiring
• High-dielectric PVC insulation provides electrical integrity and resistance to moisture intrusion
• Nylon jacket enhances abrasion resistance and protection from chemical exposure
• Flexible stranded conductors allow simplified routing through tight or confined installations
• Rated for direct burial without the use of conduit, ensuring installation efficiency
• Suitable for use in Class 1, Division 2 hazardous locations when installed per NEC Article 501
• UV-resistant jacket ensures durability in outdoor and rooftop environments

Professional Summary

The Southwire® 58225703 14/4 Mini-Split Tray Cable is a high-performance power and control cable engineered for professional HVAC and electrical installations. Its stranded copper conductors, durable PVC insulation, and nylon jacket deliver reliable performance under demanding environmental conditions. The 600V-rated cable is approved for direct burial and wet location service, meeting UL and NEC standards for mechanical and electrical integrity. Designed for flexible, code-compliant installation, this cable provides a robust wiring solution for mini-split systems and general control applications in commercial and residential settings.