Indoor, Construction, Building
UL CSA Electrical Twu Wire

1.5mm 2.5mm 4mm  Single Core Copper PVC House Wiring Electrical Cable

8AWG,10AWG,12AWG,14AWG
ISO9001, CE, CCC, RoHS, UL CSA


This building wire is a round, PVC-insulated copper conductor cable designed for safe and reliable fixed electrical installations in buildings. Its flame-retardant properties make it ideal for applications where fire safety is a priority.

The product is manufactured under a strict quality control system overseen by a team of 200 engineers and is backed by a 25-year warranty. It holds major international certifications, including ISO9001, CCC, RoHS, and SAA. Available in standard colors (Brown, White, Red, Green), the wire is supplied on reels or drums for easy handling and installation.

Key Specifications:

  • Conductor: High-conductivity Copper
  • Insulation & Sheath: Durable PVC
  • Safety Standard: Flame Retardant
  • Certifications: ISO9001, CCC, RoHS, SAA
  • Warranty: 25 Years
  • Packaging: Reel or Drum

Why Choose US?

  1. Advanced Manufacturing: We operate three plants with 12 specialized workshops, equipped with state-of-the-art machinery from leading international suppliers (e.g., Niehoff, Troster, Maillefer, SKET).
  2. Comprehensive Quality Assurance: Our integrated quality control system is certified to ISO 9001, ISO 14001, and OHSAS 18001, with product approvals from TÜV, VDE, UL, CE, and more.
  3. Extensive Product Portfolio: We offer a complete solution across various cable types, including Power Cables, ABC Cables, Control Cables, Solar Cables, and specialized wires.
  4. Expert Service & Support: Our skilled engineering and sales team provides OEM/ODM services, technical support, and competitive pricing, ensuring a reliable partnership.

Product Line Overview: PVC Insulated Copper Cables & Wires

This range comprises various PVC-insulated copper cables, including BV, BVV, BVR, RV, and RVV types, engineered for fixed electrical wiring, civil power distribution, and internal connections in mobile equipment.


Technical Specifications & Applications

1. Construction & Conductor

  • Conductor: Manufactured from high-conductivity copper, compliant with IEC 60228 Class 1 (solid) or Class 2 (stranded).
  • Cross-Sectional Area: A comprehensive range from 0.5 mm² to 400 mm² is available.
  • Customization: Technical data and custom specifications can be provided to meet specific client requirements.

2. Electrical Characteristics & Safety

  • Rated Voltage: Ranges from 300/300V to 450/750V, depending on conductor size and core configuration.
  • Test Voltage: Rigorous high-potential testing from 1500V to 2500V AC for 5 minutes ensures superior dielectric strength and safety.
  • Insulation Colors: Available in a wide variety of standard colors for easy circuit identification (e.g., Red, Yellow, Green, Blue, Black, Brown, Yellow/Green Earth).

3. Operational Notes

  • Installation Temperature: Do not install at ambient temperatures below 0°C.
  • Operating Temperature: The conductor’s operational range is -15°C to +70°C.
  • Safety Compliance: Options include Fire Resistant (IEC 60331) and Flame Retardant (IEC 60332) cables.

4. Standards & Compliance
Manufactured in accordance with IEC 60227-2007 or to meet specific customer-requested international standards.


Product Type Summary

Type / ModelDescriptionPrimary ApplicationMax. Operating Temp.
BV / BLVPVC Insulated Wire (Cu/Al)Fixed wiring indoors, in conduits, etc.70°C
BV-90Heat Resistant PVC Insulated WireHigh-temperature environments & fixed installations90°C
BVRPVC Insulated Flexible WireFixed installations requiring conductor flexibility70°C
BVV / BLVVPVC Insulated & Sheathed Round WireFixed lays requiring mechanical & moisture protection (air, underground)70°C
BVVB / BLVVBPVC Insulated & Sheathed Flat WireSame as BVV, with flat profile for space-constrained applications70°C
RV / RVB / RVSPVC Insulated Flexible ConnectorsLight-duty movable equipment, appliances, power tools, and lighting70°C
RVVPVC Insulated & Sheathed Flexible CableGeneral-purpose flexible connections for light and common applications70°C

This product line offers reliable and versatile wiring solutions for a broad spectrum of residential, commercial, and industrial electrical applications.


Technical Data Tables

Table 1-1: Maximum DC Resistance at 20°C (Ω/km)

Cross-Section (mm²)162535507095120150
Copper (Non-Tinned)1.150.7270.5240.3870.2680.1930.1530.124
Copper (Tinned)1.160.7340.5290.3910.2700.1950.1540.126
Aluminum1.911.200.8680.6410.4430.3200.2530.206
Cross-Section (mm²)1852403004005006308001000
Copper (Non-Tinned)0.09910.07540.06010.04700.03660.02830.02210.0176
Copper (Tinned)0.1000.07620.06070.04750.03690.02860.02240.0177
Aluminum0.1640.1250.1000.07780.06050.04690.03670.0291

Table 1-2: Partial Discharge Test

Rated Voltage (kV)3.6/66/108.7/1512/2018/3021/3526/35
Test Voltage (kV)6.2310.3815.0520.7631.1436.3344.98
Max. Discharge (pC)10101010101010

Table 1-3: AC Voltage Withstand Test

Rated Voltage (kV)3.6/66/108.7/1512/2018/3021/3526/35
Test Voltage (kV)12.52130.5426373.591
Test Time (min)5555555

Table 1-4: Rated Voltage, Core Numbers & Cross-Sectional Area

U0/Um (kV)3.6/66/108.7/1512/2018/3021/3526/35
Single-Core (mm²)25-63025-63035-63035-63050-63050-63050-630
Three-Core (mm²)25-40025-40035-40035-40050-40050-40050-400

Cable Parameter

1410.0300.760.1694.32233
1210.0300.760.1894.83247
1010.0300.760.2135.44668
610.0601.520.2767101151
1470.0300.760.1774.52436
1270.0300.760.2015.13450
1070.0300.760.2285.84973
870.0451.140.2917.479118
470.0601.520.3869.8172256
270.0802.030.44511.3263391
1190.0802.030.53113.5339505
1/0190.0802.030.57514.6418622
2/0190.0802.030.62215.8515767
3/0190.0802.030.67717.2638950
250370.0952.410.82320.99431404
300370.0952.410.88222.411181664
350370.0952.410.93723.812921923
400370.0952.410.9842514652180
500610.0952.411.07927.418102694
600610.1102.791.19730.421783241
800610.1102.791.34334.128634260
1000610.1102.791.47237.435385265

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