Single Core VV Power Cable | 0.6/1kV PVC Insulated PVC Sheath Fixed Wiring Cable

• Conductor: High-purity oxygen-free annealed copper; Class 1 solid rigid conductor or Class 2 stranded compacted conductor; copper purity ≥99.95%; standard cross-sectional areas: 1.5mm², 2.5mm², 4mm², 6mm², 10mm², 16mm², 25mm², 35mm², 50mm², 70mm², 95mm², 120mm², 150mm², 185mm², 240mm², 300mm², 400mm², 500mm², 630mm²
• Extruded PVC insulation layer: Uniform and controllable wall thickness; consistent insulation resistance; stable electrical performance under long-term rated load operation
• PVC outer sheath: Tightly extruded sheath offering oxidation resistance, abrasion resistance, oil resistance, and UV resistance; suitable for indoor concealed conduit installation, cable trays, surface mounting, and semi-outdoor fixed installations

• Rated operating voltage: U0/U = 0.6/1kV; designed for 50Hz AC power distribution systems
• Power-frequency withstand voltage test: 3500V; no insulation breakdown within 5 minutes
• Conductor DC resistance at 20°C: Fully compliant with GB/T 3956 standards; strictly controlled to minimize excessive voltage drop during long-distance power transmission
• Insulation resistance: ≥200MΩ·km at ambient temperature; ensures a safety margin for long-term insulation integrity
• Short-circuit temperature limit: Maximum 160°C; maximum short-circuit duration ≤5 seconds

• Maximum continuous operating temperature of conductor: ≤70°C
• Minimum ambient temperature for installation: ≥0°C (to prevent sheath cracking during bending or conduit pulling)
• Storage temperature range: -20°C to +50°C (prolonged high-temperature storage or outdoor exposure to rain is strictly prohibited)
• Optional flame-retardant upgrade: ZR-VV (flame-retardant single-core type); complies with GB/T 18380 vertical combustion test requirements; suitable for wiring designs involving fire compartments

• Minimum bending radius (unarmored single-core VV): ≥20 times the cable outer diameter
• Minimum bending radius (armored single-core VV22): ≥15 times the cable outer diameter
• Mechanical load characteristics: Suitable for fixed installation subject to slight crushing forces; unarmored types are not recommended for direct burial where heavy loads or rodent damage risks exist

• VV: Standard unarmored single-core power cable
• VV22: Steel-tape armored single-core VV; suitable for underground concealed installation where there is a risk of mechanical damage
• ZR-VV: Flame-retardant single-core VV; suitable for electrical design in public building fire compartments
• NH-VV: Fire-resistant single-core VV; suitable for emergency power supply circuit wiring

Single-core YJV cables utilize high-temperature-resistant XLPE insulation, resulting in higher raw material costs; in contrast, single-core VV cables employ a mature PVC insulation formula, offering lower overall production costs. For standard indoor power distribution projects operating in non-high-temperature environments, the use of single-core VV cables effectively controls total material expenditure without compromising fundamental power transmission safety, thereby helping general contractors increase project gross margins.

The independent, single-core, phase-separated cabling method avoids the heat accumulation issues associated with multi-core cable assemblies, resulting in significantly superior heat dissipation efficiency during long-term, heavy-load operations. Engineers can flexibly configure layouts—combining single-phase, two-phase, and three-phase conductors with neutral and ground wires—based on specific cabinet wiring and cable tray phase-separation requirements; this approach also facilitates subsequent line maintenance and capacity expansion or upgrades.

Utilizes modified, anti-aging PVC insulation and sheathing materials capable of withstanding indoor dust accumulation, humid environments, and exposure to trace chemical vapors. Under standard installation and rated load conditions, the design service life extends to 25 years, effectively reducing capital expenditure for property owners and project investors regarding periodic cable replacement, system retrofitting, and maintenance.

Offers a range of customized structural options to satisfy specific design standards:

• ZR-VV Single-core: Flame-retardant type; suitable for electrical wiring within fire compartments of shopping malls, office buildings, and residential complexes.
• NH-VV Single-core: Fire-resistant type; suitable for dedicated circuits serving fire emergency power supplies and backup power for fire pumps.
• VV22 Armored Single-core: Features steel-tape mechanical protection; suitable for in-wall embedding, cable trench installation, and direct underground burial.
• Aluminum-core VLV Single-core: An aluminum conductor alternative offering lower costs; suitable for long-distance overhead main distribution lines.

PVC materials are easy to strip, facilitating convenient terminal crimping and connection. Compared to XLPE-insulated cables, installers can terminate these cables more quickly, thereby shortening the overall electrical installation schedule and reducing the labor required by the construction team.

• Power distribution systems for commercial and residential buildings

  Main incoming lines from outdoor transformer units to building distribution rooms; branch circuit wiring within low-voltage distribution cabinets; phase-separated laying in cable trays; vertical power transmission mains in high-rise residential shafts; and power supply lines for public area lighting.

• Power distribution layouts for industrial workshops

  Incoming lines for workshop distribution boxes; main power supply leads for motors; fixed power wiring for auxiliary equipment; centralized distribution mains for production line equipment; and fixed indoor cable trench installations in standard, low-temperature workshop environments.

• Municipal Public Infrastructure Projects

  Centralized power supply trunk lines for street lighting; power wiring for pump station water supply and drainage equipment; power distribution circuits for community public facilities; internal wiring for parking lot power distribution cabinets; low-voltage feeder lines for small municipal substations.

• Building M&E and HVAC Auxiliary Projects

  Power supply wiring for central air-conditioning units; main power input lines for water pumps, fans, and elevators; power distribution branch circuits for M&E equipment rooms; fixed wiring for auxiliary power supplies to low-voltage (ELV) systems.

• Outdoor Semi-Open Fixed Installation Projects

  Conduit wiring on outdoor walls; fixed cable installations on outdoor racks; external power transmission lines for canopies and walkways (requiring protection from prolonged direct sunlight); long-term fixed power distribution circuits at construction sites.

• Case 1: Electrical General Contracting Project for a 120,000 m² Commercial Complex

  Project Requirements: Low-voltage incoming main lines and phase-separated wiring within power distribution cabinets; standard indoor environment; requirement to control the total procurement cost of bulk power cables.

  Solution Implemented: Single-core VV-type copper cables (150 mm², 185 mm², and 240 mm²); total supply volume: 327,000 meters.

  Project Outcome: Electrical installation and third-party electrical acceptance inspection were successfully completed. Two years after the building entered service, the system has operated stably at full load with no issues regarding overheating or insulation anomalies, earning recognition from both the general contractor and the supervision agency.

• Case 2: Power Distribution Retrofit Project for a Food Processing Plant Workshop

  Project Requirements: Replace aging, bundled multi-core cables; improve heat dissipation for motor power lines; identify a cost-effective power transmission solution that meets standards.

  Solution Implemented: Single-core VV-type power cables (95 mm² and 120 mm²) installed using a phase-separated layout; total order length: 114,500 meters.

  Project Outcome: Cable surface temperatures dropped significantly during long-term full-load operation, eliminating potential line hazards. Compared to a single-core YJV design, the total cost of cable materials was reduced by 19%, and the solution was approved by the plant's electrical management department.

• Case Study 3: Comprehensive Power Infrastructure for a Large Residential Complex

  Project Requirements: Vertical shaft backbone power transmission + indoor branch power distribution; compliance with residential electrical acceptance standards; high cable volume; strict budget control.

  Solution Implemented: Single-core VV 70mm² and 95mm² backbone cables + small-cross-section single-core VV branch cables; total supply volume: 412,800 meters.

  Project Outcomes: Successfully passed residential fire safety and electrical acceptance inspections; stable indoor power supply operation; zero complaints regarding cable quality post-delivery; highly commended by the developer for cooperation during final settlement.

• GB/T 12706.1-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV to 35 kV – Part 1: Cables for rated voltages of 1 kV and 3 kV
• GB/T 3956 Conductors of cables and wires
• GB/T 18380 Test on vertical flame spread of vertically-mounted bunched wires or cables
• GB/T 12666 Test methods for flame-retardant and fire-resistant cables

• China Compulsory Certification (CCC); compliant with standard civil and industrial specifications
• CE Certification; compliant with EU Low Voltage Directive 2014/35/EU
• ISO 9001 (Quality Management), ISO 14001 (Environmental Management), and ISO 45001 (Occupational Health and Safety Management) certifications
• Provision of batch-specific factory test reports, raw material traceability certificates, and inspection reports for dimensions and electrical performance
• Customization of IEC 60502 standard test documentation and local market tender registration materials based on regional requirements

• Strict incoming raw material inspection to eliminate potential quality issues

  All copper raw materials are sourced from reputable, large-scale smelters and come with complete qualification certificates. Prior to production, comprehensive incoming inspections are conducted on copper purity, PVC formulation stability, and insulation wall thickness uniformity. We strictly prohibit the use of recycled copper or substandard recycled plastics, effectively preventing issues such as excessive conductor resistance, sheath cracking, insulation damage, and overheating under load. This helps buyers avoid the risks of project rework, rectification, and compensation claims associated with substandard cables.

• Flexible customization to meet specific project technical requirements

  We support structural customization regarding conductor cross-sections, armoring (or lack thereof), and flame-retardant or fire-resistant properties. Sheath colors, surface print details, and meter-marking formats can be tailored to client construction drawings and tender specifications. Sample reels are available for preliminary performance testing, enabling design institutes and engineering firms to verify the product before formal bidding.

• Factory-direct model to maximize project gross margins

  Eliminates intermediary wholesale markups; unit prices are negotiable for large-scale project orders. Reasonable Minimum Order Quantities (MOQs) are established to accommodate the purchasing needs of small and medium-sized electrical contractors. We offer consolidated shipping solutions (LCL) for large overseas buyers to combine shipments and reduce overall ocean freight and logistics costs.

• Full-lifecycle technical support tailored for electrical engineers
  • Services provided by a professional electrical engineering team, including ampacity calculations, product selection advice, optimization of phase-sequence laying plans, and drafting of technical specifications for tenders
  • Provision of official technical data sheets, cable dimension drawings, and on-site wiring guides for drawing reviews and approval submissions
  • Transparent production progress tracking and comprehensive pre-shipment electrical performance testing to ensure on-time delivery for urgent tender projects
  • Remote technical consulting to assist in resolving installation and commissioning challenges for overseas projects
• Export-compliant packaging and a complete set of customs clearance documentation

  Export-grade wooden cable reel packaging featuring internal moisture-proof wrapping and external impact protection, suitable for long-distance cross-border sea and land transport; provision of comprehensive packing lists, commercial invoices, certificates of origin, and other clearance documents to streamline export declaration processes for international buyers.

• Compliance with Bending Radius Requirements:

  Strict adherence to minimum bending radius specifications is mandatory during conduit threading and routing; excessive bending compresses the insulation layer, causing latent internal cracks that can lead to partial discharge and insulation degradation during long-term operation.

• Phase-to-Phase Installation Standards:

  When installing three-phase single-core VV cables, maintain fixed spacing in accordance with electrical design standards to prevent circulating current losses and abnormal cable heating; avoid routing three single-core cables through the same enclosed steel conduit for long distances.

• Environmental Application Limitations:

  The maximum continuous operating temperature for single-core VV cables is 70°C; VV cables are unsuitable for high-temperature workshops, overhead installations exposed to prolonged direct sunlight, or high-load, continuous high-current conditions—single-core YJV cables with superior temperature resistance should be used instead.

• Storage Management Regulations:

  Finished cable reels must be stored in dry, well-ventilated warehouses; avoid prolonged outdoor exposure to rain or direct sunlight to delay sheath degradation and extend shelf life.

• Model Distinction Note:

  Please clearly distinguish between single-core VV (PVC-insulated) and single-core YJV (XLPE-insulated) cables. VV cables offer a cost advantage in standard low-temperature power distribution projects, whereas YJV cables are recommended for applications involving high temperatures, high currents, and requirements for a long service life.

• Direct Burial Application Note:

  Standard unarmored single-core VV cables are not suitable for direct burial. If direct burial is required in environments posing risks of mechanical crushing or rodent damage, please select the VV22 steel-tape armored model.

If your project requires a quote, technical specifications, confirmation of customized construction, or professional consultation on current-carrying capacity and cable selection for single-core VV cables, please submit your requirements via the inquiry form on our website. Please be sure to specify the required conductor cross-sectional area, total order volume, specific type (e.g., armored, flame-retardant, or fire-resistant), and the destination country. Our professional cable engineering team will provide a tailored technical solution and a highly competitive quote within 24 working hours. We warmly welcome the opportunity to establish long-term framework partnerships with global electrical contractors, electromechanical system integrators, electrical product distributors, and architectural design institutes.