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Overhead insulated wire

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Mineral insulated fire resistant cable

Home Products Wiring

Wiring

Home Products Wiring

Wiring

[ Wiring ]

Wiring

[ Product Overview ]

Cables for fixed wiring are low-voltage power distribution lines used for fixed laying inside buildings. They are suitable for installation of power, lighting and other circuits with AC rated voltages of 450/750V and below. They are characterized by good flexibility, safety, reliability and easy installation.

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Product Details

Economical

Safe and Reliable

High Insulation Strength

Easy Installation

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Product Categories

model	name	conductor	insulation	jacket	use
BV	Copper core PVC insulated wire	copper	PVC	none	Fixed installation
BVR	Copper core PVC insulated flexible wire	copper	PVC	none	Where flexibility is required
BLV	Aluminum core PVC insulated wire	aluminum	PVC	none	Fixed installation
BVV	Copper core PVC insulated sheathed wire	copper	PVC	PVC	Surface mounted wiring
RVV	Copper core PVC insulated sheathed wire	copper	PVC	PVC	Mobile appliance connection

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Voltage Level

Wiring voltage 450/750V

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Specifications

Rated voltage:

300/500V or 450/750V

Conductor structure:

Core hard wire (BV/BLV): Class 1 conductor
Stranded cord (BVR/RVV): Class 2 or Class 5 conductor

Insulation Thickness:

0.6-2.0mm (depending on the cross section)

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Technical Parameters

Electrical properties

Conductor DC resistance:

Conductor DC resistance

Insulation resistance:

≥0.036MΩ·km（at 70℃）

Withstand voltage test:

2000V/5min without breakdown

Mechanical properties

Tensile Strength:

≥12.5N/mm² (insulation)

Elongation at break:

≥125% (insulation)

Bending properties:

RVV can pass 8 times diameter bending test

Temperature characteristics

Long term working temperature:

70℃

Short-term overload temperature:

105℃ (no more than 8h)

Short circuit temperature:

160℃ (no more than 5s)

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Product Features

Safe and reliable

The insulation is made of high-quality PVC material with good flame retardant performance, passed the CCC compulsory certification, and complies with national standards

Easy installation

Hard wire (BV) maintains shape and is easy to wire, while soft wire (BVR/RVV) is flexible and suitable for complex routing.

Economical and practical

Aluminum core model (BLV) has low cost and is suitable for projects with limited budget. A variety of specifications are available to meet different load requirements.

Environmentally friendly and durable

Some models are made of environmentally friendly PVC material, with a service life of more than 20 years

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Application Scenarios

Internal power distribution in residential buildings, office buildings, etc.

Lighting circuit and socket circuit installation

Internal wiring of electrical equipment

Temporary power supply area (RVV and other soft wires are required)

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Selection Guide

Conductor selection

Copper Core:

Good conductivity and high reliability

Aluminum Core:

Good economy, suitable for fixed high current lines

Insulation selection

Ordinary PVC:

General Environment

Flame retardant PVC (ZR-BV):

Fire protection requirements

Heat-resistant PVC (105°C):

High temperature environment

Sheath selection

Without sheath (BV):

Pipe laying

With sheath (BVV):

Surface mounted use

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Installation Guidelines

When laying through pipes, the total cross-section of the wires in the pipes shall not exceed 40%, and the fixed spacing for open installation shall not exceed 1.5m

When connecting, use special wiring terminals, and multi-strand wires need to be tinned or use wire noses

Specification: Wires of different circuits shall not be put into the same conduit, and phase wire, neutral wire and ground wire shall be distinguished by color.

Storage Conditions

Storage requirements: dry and ventilated, avoid direct sunlight

Execution Standards

GB/T 5023-2008 "Polyvinyl chloride insulated cables with rated voltage of 450/750V and below"

JB/T 8734-2016 "Polyvinyl chloride insulated cables, wires and cords with rated voltage of 450/750V and below"

Product Packaging

In coils or reels, standard length: 100m/reel (small size), 500m/reel (large size)

Quality Assurance

Warranty period: 12 months from the date of manufacture

Life expectancy: 20 years (under normal use conditions)

Note: Special requirements (such as flame retardant, fire resistant, anti-ant, etc.) can be customized and produced. The specific parameters are subject to the actual product.

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After-sales Service

After signing the contract, our company will conduct on-site inspections of the product’s usage environment, provide product technical data sheets, installation manuals, and answer any customer inquiries. We offer high-quality configuration plans based on product characteristics and the environment.

We guarantee timely supply upon receiving the delivery notice, ensuring the product quality meets customer requirements. Our professional after-sales team will transport the products to the specified location and assist with acceptance and storage instructions.

Before installation, we provide technical training and installation guidance to ensure the product meets customer environment and technical performance requirements.

Our after-sales service department offers 24/7 support. We will respond to customer issues promptly and provide solutions. For on-site service, within the city, technicians will arrive within 3 hours, and for out-of-city locations, within 6 hours, to provide excellent technical support.

Our products come with a 5-year warranty, with a lifespan of no less than 40 years under normal use. During the warranty period, we will provide free repair or replacement for any product-related issues and assume all associated responsibilities.

Technical Service

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Material Supply and Transportation Service

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Installation Guidance

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Issue Resolution and On-site Service Response Time

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Warranty Period and Quality Assurance Commitment

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Product