0.6/1kV Copper Conductor PVC Insulation PVC Sheathed Power Cable – Low Voltage General Purpose Power Cable
| Voltage: | 0.6/ 1kV | Armoring: | No |
| Insulation: | PVC | Core: | Multi Cores |
| Temperature range: | - 30℃ To + 70℃ | Sheathed: | PVC |
| High Light: | low voltage PVC power cable,copper conductor PVC cable,general purpose power cable |
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0.6/1kV Copper Conductor PVC Insulation PVC Sheathed Power Cable – Low Voltage General Purpose Power Cable
Product Overview
The 0.6/1kV Copper Conductor PVC Insulation PVC Sheathed Power Cable – commonly referred to as NYY cable (European designation) or VV cable (Chinese designation) – is a versatile, reliable, and cost-effective low voltage power cable designed for fixed installation in industrial, commercial, and residential applications.
This cable features a copper conductor for excellent conductivity, PVC insulation for reliable electrical isolation, and a PVC outer sheath for mechanical and environmental protection. Rated at 0.6/1kV, it is suitable for most low voltage power distribution needs, from main feeder lines to branch circuits.
European designation: NYY
Chinese designation: VV
Voltage rating: 0.6/1kV (U₀/U)
Conductor material: Copper (Class 1 or Class 2)
Insulation: PVC (Polyvinyl Chloride) – Type TI
Sheath: PVC (Polyvinyl Chloride) – Type TM
Standards: IEC 60502-1, GB/T 12706, BS 6346, VDE 0276
Key Features
| Feature | Benefit |
|---|---|
| Copper conductor | Excellent electrical conductivity (100% IACS), reliable performance |
| PVC insulation | Good dielectric properties, moisture resistant, economical |
| PVC outer sheath | Provides mechanical protection, UV resistance (black version), and moisture barrier |
| 0.6/1kV rating | Suitable for most low voltage power distribution applications |
| Wide size range | Available from 1.5mm² up to 630mm² in multi-core configurations |
| Fixed installation | Designed for permanent installation in dry or damp environments |
| Industry standard | Compliant with international and national standards |
| Flame retardant | PVC materials are inherently flame retardant |
Applications
The 0.6/1kV Copper Conductor PVC Insulation PVC Sheathed Power Cable (NYY / VV) is widely used in the following applications:
1. Low Voltage Power Distribution
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Feeder cables from transformers to main distribution boards (MDB)
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Sub-main cables to distribution boards (SDB)
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Final circuits for lighting and power outlets
2. Industrial Installations
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Power supply to motors, pumps, compressors, and machinery
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Control and auxiliary power circuits
-
Factory and workshop electrical systems
3. Commercial Buildings
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Office buildings, shopping malls, hotels, and hospitals
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Power supply to HVAC systems, elevators, and escalators
4. Residential Projects
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Apartment buildings and housing complexes
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Main riser cables and feeder circuits
5. Outdoor and Underground (with caution)
-
Cable trays, conduits, and ducts
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Direct burial is possible in dry soil (armoured version recommended for high mechanical risk)
6. Infrastructure Projects
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Street lighting and traffic signal power supply
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Pumping stations, water treatment plants
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Airports, ports, and railway stations
Construction Details
| Layer | Material | Specification | Function |
|---|---|---|---|
| Conductor | Copper (plain) | Class 1 (solid) or Class 2 (stranded) per IEC 60228 | High conductivity, reliable current flow |
| Insulation | PVC (Type TI) | Voltage grade – 0.6/1kV | Electrical isolation, dielectric strength |
| Core Identification | Colored (Single core: Black/Brown; Multi-core: Black/Brown/Grey/Blue, etc.) | Easy identification of phases and neutral | |
| Core Assembly | Cores twisted together (multi-core) | Filler material maintains circular shape | Compact construction, mechanical stability |
| Inner Sheath | Optional (armoured versions only) | Bedding for armour | Protection of cores |
| Outer Sheath | PVC (Type TM) | Black (standard), UV stabilized, flame retardant | Mechanical and environmental protection |
*Note: This is the unarmoured version. For applications requiring mechanical protection (direct burial, rodent-prone areas), armoured versions (NYY-J / VV22 with steel tape armour or SWA) are available.*
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage (U₀/U) | 0.6/1kV |
| Maximum Operating Voltage | 1.2kV |
| Standard | IEC 60502-1, GB/T 12706, BS 6346, VDE 0276 |
| Conductor Material | Copper (plain, 99.9% purity) |
| Conductor Types | Class 1 (solid) or Class 2 (stranded) per IEC 60228 |
| Conductor Sizes Available | 1.5mm², 2.5mm², 4mm², 6mm², 10mm², 16mm², 25mm², 35mm², 50mm², 70mm², 95mm², 120mm², 150mm², 185mm², 240mm², 300mm², 400mm², 500mm², 630mm² |
| Number of Cores | Single core, 2 core, 3 core, 4 core, 5 core, multi-core |
| Insulation Material | PVC (Type TI) per IEC 60502-1 |
| Insulation Thickness | 0.8mm – 2.4mm (depending on conductor size) |
| Sheath Material | PVC (Type TM) per IEC 60502-1 |
| Sheath Color | Black (standard), Grey, Red, Blue, Orange (custom) |
| Operating Temperature (Normal) | -15°C to +70°C |
| Operating Temperature (Emergency Overload) | +100°C (max) |
| Short Circuit Temperature | +160°C (max, ≤5 seconds) |
| Minimum Installation Temperature | 0°C (cable should be preheated if below 0°C) |
| Minimum Bending Radius (Multi-core) | 12× overall diameter (unarmoured) |
| Minimum Bending Radius (Single core) | 15 × overall diameter (unarmoured) |
| Flame Retardant | Yes (inherent property of PVC) |
| UV Resistance | Yes (black PVC sheath) – not suitable for white/light colors |
Available Sizes & Current Ratings (Multi-core, 70°C PVC, in Air)
*Typical values – based on IEC 60502-1. Ratings for 3 or 4 core cables, ambient temperature 30°C, conductor temperature 70°C.*
| Conductor Size (mm²) | Approx. Overall Diameter (mm) | Approx. Weight (kg/km) | Current Rating (Air, 70°C) | Current Rating (Buried, 70°C) |
|---|---|---|---|---|
| 3 × 1.5mm² | ~9 | ~120 | ~18A | ~22A |
| 3 × 2.5mm² | ~10 | ~170 | ~24A | ~29A |
| 3 × 4mm² | ~12 | ~240 | ~32A | ~38A |
| 3 × 6mm² | ~13 | ~330 | ~41A | ~47A |
| 3 × 10mm² | ~16 | ~510 | ~57A | ~63A |
| 3 × 16mm² | ~19 | ~750 | ~76A | ~82A |
| 3 × 25mm² | ~22 | ~1100 | ~101A | ~105A |
| 3 × 35mm² | ~25 | ~1450 | ~125A | ~129A |
| 3 × 50mm² | ~29 | ~2000 | ~151A | ~154A |
| 3 × 70mm² | ~33 | ~2750 | ~192A | ~191A |
| 3 × 95mm² | ~37 | ~3650 | ~232A | ~228A |
| 3 × 120mm² | ~41 | ~4600 | ~269A | ~263A |
| 3 × 150mm² | ~45 | ~5650 | ~308A | ~299A |
| 3 × 185mm² | ~49 | ~6900 | ~352A | ~338A |
| 3 × 240mm² | ~55 | ~9000 | ~413A | ~394A |
Values are indicative for multi-core unarmoured cable. Current ratings depend on installation conditions (ambient temperature, grouping, soil thermal resistivity). Please request official datasheet for exact specifications.
NYY vs VV – Naming Convention
| Designation | Standard | Region | Meaning |
|---|---|---|---|
| NYY | European / IEC | International | N = Standard (VDE) / Y = PVC insulation / Y = PVC sheath |
| VV | Chinese / GB | China | V = PVC insulation / V = PVC sheath |
*Both designations refer to the same cable construction: Copper conductor, PVC insulation, PVC sheath, rated 0.6/1kV.*
Why Choose PVC Insulation and Sheath?
| Feature | PVC (Polyvinyl Chloride) | Advantage |
|---|---|---|
| Cost | Low | Most economical insulation material |
| Flame retardancy | Inherent | Self-extinguishing, does not propagate fire |
| Moisture resistance | Good | Suitable for damp environments |
| Chemical resistance | Good (oils, acids, alkalis) | Performs well in industrial settings |
| Flexibility | Good | Easy to handle and install |
| UV resistance | Good (black version) | Suitable for outdoor use |
| Temperature rating | 70°C continuous | Adequate for most LV applications |
Note: For applications requiring higher temperature rating (90°C continuous) or low smoke & halogen free properties, consider XLPE/LSZH alternatives.
Installation Guidelines
Preparation
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Inspect the cable for any damage to the PVC sheath before installation
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Store cables on clean, dry reels, protected from direct sunlight and moisture
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Preheat the cable if ambient temperature is below 0°C – cold cable can crack the PVC sheath
Pulling Tension
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Maximum pulling tension (copper conductor): Approximately 50 × conductor cross-section (mm²) in Newtons
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Use proper pulling grips (basket weave) – never pull by the insulation
Conduit Fill
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Maximum recommended fill: 40% of conduit cross-sectional area for 3+ conductors
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Use pulling lubricant for long runs
Termination
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Strip back PVC sheath and insulation carefully – do not nick the copper conductor
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Use properly sized copper lugs and terminals
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Apply appropriate torque for termination screws
Testing After Installation
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Perform insulation resistance test (minimum 100 MΩ)
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Conduct continuity test on all conductors
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High voltage test (3kV AC or 3.5kV DC for 15 minutes per IEC 60502-1)
Comparison with Other LV Power Cables
| Feature | NYY / VV (PVC/PVC) | NA2XY / YJLV (Aluminum, XLPE) | NYY-J / VV22 (Armoured) |
|---|---|---|---|
| Conductor | Copper | Aluminum | Copper |
| Insulation | PVC (70°C) | XLPE (90°C) | PVC (70°C) |
| Sheath | PVC | PVC | PVC |
| Armour | None | None | Steel tape or wire armour |
| Temperature rating | 70°C | 90°C | 70°C |
| Weight | Heavy | Light | Very heavy |
| Cost | Moderate | Lower | Higher |
| Mechanical protection | Low | Low | High |
| Direct burial suitability | Limited | Limited | Yes |
| Typical application | Indoor, tray, conduit | Indoor, cost-saving projects | Underground, harsh environments |
Frequently Asked Questions (FAQ)
Q: What does NYY stand for?
A: NYY is the European designation: N = Standard (VDE), Y = PVC insulation, Y = PVC sheath.
Q: What does VV stand for?
A: VV is the Chinese designation: V = PVC insulation, V = PVC sheath.
Q: Are NYY and VV the same cable?
A: Yes. They refer to the same construction: copper conductor, PVC insulation, PVC sheath, rated 0.6/1kV. NYY is the European naming convention, VV is the Chinese naming convention.
Q: What is the temperature rating of the PVC insulation?
A: PVC insulation is rated for 70°C continuous operation, 100°C emergency overload, and 160°C short circuit (≤5 seconds).
Q: Can this cable be used outdoors?
A: Yes. The black PVC sheath is UV stabilized for outdoor exposure. Light-colored sheaths (white, red, blue) are not recommended for direct sunlight.
Q: Is this cable suitable for direct burial?
A: The unarmoured version (NYY/VV) has limited direct burial suitability. For direct burial in areas with mechanical risk or rodents, we recommend the armoured version (NYY-J / VV22 with steel tape armour).
Q: Is this cable flame retardant?
A: Yes. PVC materials are inherently flame retardant and self-extinguishing. The cable complies with IEC 60332-1.
Q: What is the difference between Class 1 and Class 2 conductors?
A: Class 1 is solid copper (single wire) – used for small cross-sections (1.5-10mm²). Class 2 is stranded copper (multiple wires) – used for larger cross-sections and where flexibility is required.
Q: Do you provide free samples?
A: Yes, we provide free samples of NYY/VV cable. The customer is only responsible for the shipping cost.
Q: What is the typical lead time?
A: Typical lead time is 7–30 days after deposit confirmation, depending on order quantity and conductor size.
Q: Can I get custom printing on the cable?
A: Yes, we support OEM/ODM orders including custom printing (project name, customer logo, sequential metering, voltage marking).
Q: Is LSZH (Low Smoke Zero Halogen) version available?
A: Yes, we offer LSZH versions (N2XH / WDZ-YJY) for applications requiring low smoke and halogen-free properties. Please contact us for details.
Related Products
You may also be interested in:
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NYY-J / VV22 (Steel Tape Armoured) – for direct burial and harsh environments
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N2XH / WDZ-YJY (LSZH version) – for fire safety critical installations
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NA2XY / YJLV (Aluminum conductor) – lightweight, cost-effective alternative
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Low Voltage ABC (Aerial Bundle Cable) – for overhead distribution
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Flexible cords (H05V-K, H07V-K) – for flexible connections and control circuits
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