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1. Application Scope of Building Wires

1.1 Voltage Grade: Suitable for rated voltage 450/750V and below (Copper core PVC insulated PVC sheathed round cable and Copper core PVC insulated PVC sheathed flat cable are suitable for 300/500V and below).

1.2 Product Specification: 1 to 5 cores, 1.5 to 630mm².

1.3 Operating Characteristics: For fixed installation in power units and indoor lighting at AC voltage 450/750V and below.

1.4 Operating Temperature: Not exceeding 70℃; installation temperature not lower than 0℃.

2. Fixed wiring wires include:

2.1 Copper core PVC insulated wire;

2.2 Copper core PVC insulated flexible cable;

2.3 Copper core PVC insulated PVC sheathed round cable;

2.4 Copper core PVC insulated PVC sheathed flat cable;

2.5 Copper core flexible conductor single-core PVC insulated cable;

2.6 Copper core LSZH flame-retardant polyolefin insulated nylon sheathed wire;

2.7 Copper core LSZH flame-retardant polyolefin insulated nylon sheathed flexible wire;

2.8 Copper core polyethylene LSZH flame-retardant polyolefin double insulated nylon sheathed flexible wire;

2.9 Heat-resistant 125℃ cross-linked polyolefin insulated wire;

2.10 Copper core LSZH flame-retardant polyolefin insulated 125℃ irradiated wire;

2.11 Heat-resistant 105℃ cross-linked polyolefin insulated wire.

3. What’s fixed laying residential building wires?

Civil fixed-installation building wires (Fixed laying Residential Building wires) are mainly used for household and building internal circuits such as lighting and sockets. Common types include solid single-core copper wire and stranded soft copper wire, suitable for AC systems at rated voltage and below.The conductor is usually made of copper, with common cross-sectional specifications:1.5 mm², 2.5 mm², 4 mm², 6 mm², and 10 mm².

4. Common Types and Characteristics

4.1 Polyvinyl Chloride (PVC) Insulated Solid Copper Wire:

Suitable for conduit concealed laying. It features excellent mechanical strength and aging resistance, making it the most widely used in household decoration.

4.2 Polyvinyl Chloride (PVC) Insulated Stranded Copper Wire:

Flexible in structure, ideal for wiring environments with frequent bending. Commonly used in junction boxes of household circuits.

5. Common Specifications and Applications

> 1.5 mm²: Used mainly for lighting circuits.

>2.5 mm²: Used for ordinary sockets and dedicated air conditioner lines.

> 4 mm² and 6 mm²: Used for high-power appliances in kitchens, bathrooms, or as main incoming lines.

6. Notes

6.1 Quality: Premium building wires feature low conductor resistance and excellent insulation performance.

6.2 Color: Available in red, yellow, blue, green, black, and green-yellow (ground) for easy installation and maintenance.

6.3 Service Life: Designed for over 20 years. It is recommended to inspect wiring for new houses and during old house renovations.

Specific standards may vary by country, and we provide customized production in accordance with international standards and customer requirements.

7. Advantages of Taitong Cable Building Wires

As a professional Chinese supplier and manufacturer, Taitong Cable enjoys large-scale production capacity, bringing stable cost and price advantages for civil wires and fixed laying wires. Our Fixed laying Residential Building wires feature reliable quality, strict testing, and meet national and international standards. With complete after-sales service and efficient delivery, Taitong Cable has become an outstanding supplier for many national-level projects providing stable-quality, cost-effective civil building wires and customized solutions, making us a trustworthy long-term wire supplier for global customers in building industry.