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NPC ELECTRIC Transformers Products

Wires and Cables

In-Depth Analysis

Bare conductor cables are built to deliver high efficiency, reliable performance, and advanced safety, helping businesses reduce energy costs while ensuring stable power supply. With future-ready adaptability for renewable energy and smart grid applications, they provide a sustainable and innovative solution for today’s and tomorrow’s power needs.

Comparative Analysis of Efficiency and Loss

Compared to the industry average, bare conductor cables exhibit lower losses and higher efficiency across the entire load range.

Load Efficiency Comparison(%)

No-load Loss Comparison(W)

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High Conductivity Design

High-purity oxygen-free copper or high-quality aluminum conductors are used with smooth surface and low resistance to ensure efficient power transmission and reduce energy loss.

Improved Conductivity
+20%
Reduced Energy Loss
-15%
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Insulation Protection System

Use flame-retardant, wear-resistant and corrosion-resistant polymer insulation materials to meet the safe operation requirements in different environments.

Withstand Voltage Level
≥1kV
Flame Retardant Grade
VW-1 / IEC 60332-3
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Weather-Resistant & Durable Technology

The outer sheath is made of UV-resistant, heat-resistant, and oil-resistant materials, making it suitable for high and low temperatures, humidity, and long-term outdoor use.

Service Life
≥ 25 Years
Operating Temperature Range
-40°C to +90°C
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Safe Flame Retardant System

The multi-layered flame-retardant structure effectively slows the spread of flames and releases low-smoke, halogen-free gases during combustion, reducing secondary hazards.

Flame Retardant Performance
IEC 60332 / UL 1581 Qualified
Smoke Density
Low Smoke ≤50%
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Easy Installation & Maintenance

The flexible core and flex-resistant outer sheath provide a small bend radius and high installation efficiency. Color coding and length markings reduce installation and maintenance costs.

Bend Radius
≤6D
Installation Efficiency Improvement
+30%
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Intelligent Monitoring

An optional remote monitoring system is available to monitor operating status, temperature, load and other parameters in real time, and supports fault warning and remote diagnosis.

Data Collection Frequency
one times a minute
Fault Warning Accuracy
98%

Environmental Adaptability Analysis

Bare conductor cables have been rigorously tested and can operate stably under various harsh environmental conditions.

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Temperature Range

-40℃ ~ +55℃

Can work normally in extreme high and low temperature environments

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Humidity Adaptation

0 ~ 100% RH

Including condensation environment, no frost requirement

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Weather Resistance Grade

UV/IEC 60811-501

The outer sheath has excellent UV resistance and aging resistance

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Chemical Corrosion Resistance

Oil / Acid / Alkali

Resistant to oil, acid, alkali and some chemical corrosion environments

Why Choose Us

With 30 years of expertise, global certifications, and advanced manufacturing technology, NPC Electric delivers reliable, high-performance bare conductor cables trusted by industries worldwide.
Bare Conductor Cables Manufacturer

Bare Conductor Cables Manufacturer

NPC Electric is a leading bare conductor cables manufacturer, specializing in producing high-quality bare aluminum conductor and copper bare conductor cables for power transmission and distribution. Our aerial conductor cables are designed for both low voltage and high voltage applications, offering excellent conductivity and long-term durability. Widely used in overhead power lines, these cables are perfect for outdoor installations and provide reliable performance in challenging environmental conditions. Whether you need bare conductor cables for urban infrastructure, industrial plants, or renewable energy projects, NPC Electric provides customized solutions that meet global standards. With superior corrosion resistance and high tensile strength, our electrical cables ensure efficient power delivery and minimize maintenance costs.
Bare Conductor Cables Advantages

Bare Conductor Cables Advantages

Bare conductor cables offer several significant advantages for power transmission and electrical distribution systems. These cables are known for their high conductivity, making them an ideal choice for both low voltage and high voltage applications. The aerial conductor cables are lightweight yet durable, ensuring easy installation and reduced labor costs. NPC Electric’s bare aluminum conductor and copper bare conductor cables are highly corrosion-resistant, offering reliable performance even in harsh environmental conditions. Their minimal maintenance requirements and long lifespan make them a cost-effective solution for overhead power lines and energy infrastructure projects. By providing superior energy efficiency, these cables reduce transmission losses and improve overall system reliability, making them the preferred choice for modern electrical power networks.
AAC AAAC ACSR ACAR Conductor

AAC AAAC ACSR ACAR Conductor

NPC Electric offers a comprehensive range of conductors, including AAC (All Aluminum Conductor), AAAC (All Aluminum Alloy Conductor), ACSR (Aluminum Conductor Steel Reinforced), and ACAR (Aluminum Conductor Aluminum Reinforced), each designed for optimal performance in power transmission systems. AAC conductors provide excellent conductivity for short-distance transmission, while AAAC conductors offer enhanced strength and corrosion resistance, ideal for urban and rural networks. ACSR conductors, widely used in overhead lines, combine high tensile strength with low resistance, making them ideal for long-distance transmission. ACAR conductors, with aluminum reinforcement, offer a balance of high strength and low weight, suitable for modern aerial conductor cables.
Bare Conductor Quality Control

Bare Conductor Quality Control

At NPC Electric, bare conductor quality control is a key part of our manufacturing process to ensure reliable and efficient power transmission. Our copper and aluminum conductors undergo rigorous testing for conductivity, tensile strength, and corrosion resistance to meet the highest industry standards. We perform visual inspections, mechanical testing, and electrical testing to guarantee that each bare conductor complies with IEC, IEEE, and ANSI standards. Our quality control process also includes continuous monitoring of the production line to ensure consistency and precision in every unit. As a trusted electrical cables manufacturer, NPC Electric delivers high-quality conductors for power transmission cables used in a wide range of industrial and utility applications, ensuring long-lasting and efficient energy delivery.

Product Show

Explore the detailed design and practical application scenarios of aac, aaac, acar, acsr conductor cable
ACSR Conductor Cable

ACSR Conductor Cable

acsr conductor cable structure

AAAC Conductor Cable

AAAC Conductor Cable

aaac conductor cable structure

AAC Conductor Cable

AAC Conductor Cable

aac conductor cable structure

ACSR Conductor Core Structure

ACSR Conductor Core Structure

acsr conductor cable core structure

aac conductor cable structure

ACAR Conductor Cable

acar conductor cable structure

ACSR Conductor Appearance

ACSR Conductor Appearance

acsr conductor cable appearance

AAAC Conductor Cable

AAAC Conductor Cable

aaac conductor cable structure

AAAC Conductor  Single Core Structure

AAAC Conductor Core Structure

aaac conductor single core structure

Testing and Certification

Tested with precision and certified to meet international standards as well as strict industry requirements.
Bare Cable(AAC,AAAC,ACAR ACSR) Test Report

Bare Cable Test Report

SGS Inspection Report

SGS Inspection Report

Certificate of Acceptance

Certificate of Acceptance

ISO Quality Management System Certificate

ISO Quality Certificate

ISO Environmental Certificate

ISO Environmental Certificate

ISO Occupational Certificate

ISO Occupational Certificate

UL Laboratory Certificate

UL Laboratory Certificate

UL Product Certificate

UL Product Certificate

Project Cases

NPC wires and cables have been successfully applied in many projects and have been highly praised by customers.
NPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project

Peru Solar PV Project

Completed

NPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project

Country:Peru

Model:HEPRZ1(AS) 1x630 mm² 19/33kV x 6km

"High quality, strong water-discharging and corrosion-resistant ability"
19/33kV MV Power Cables

Chile El Project

Completed

Reliable 19/33kV MV cables ensuring safe, stable, and efficient power transmission for critical projects.

Country:Chile

Model:19/33kV MV Power Cables x 5km

"Safe, stable and strong anti-corrosion ability"
AAAC Conductor Cable & Triplex Cable

Dominican Edenorte Project

Completed

Provide outdoor power solutions for urban main road reconstruction projects to adapt to complex environments.

Country:Dominican

Model:NPC AAAC Cable & Triplex Cable x 10km

"Excellent protection performance, suitable for outdoor environment"

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

FAQ From Customers

What are guard wires used for in power transmission?

Guard wires are safety wires installed above or alongside power transmission lines to protect conductors from damage caused by external factors like lightning strikes, tree branches, or animals. Made from galvanized steel conductor or similar materials, guard wires help minimize electrical outages and enhance electrical safety by preventing direct contact with high-voltage lines. They are particularly useful in areas prone to environmental risks, ensuring reliable and uninterrupted power delivery.

What is a galvanized steel conductor?

A galvanized steel conductor is a type of steel conductor coated with a layer of zinc to improve its resistance to corrosion. These galvanized conductors are commonly used in overhead power lines, guard wires, and grounding systems, as they offer high strength and durability in harsh weather conditions. The galvanization process helps prevent rust and extends the lifespan of the conductor, making it ideal for outdoor and industrial applications.

What is the difference between guard wires and conductors?

Guard wires and conductors serve different purposes in power transmission systems. Guard wires are primarily installed for safety and protection against external factors, while conductors carry electrical current. Guard wires are usually made from galvanized steel conductor for high strength and corrosion resistance, while conductors (like AAC, ACSR, or AAAC) are designed to efficiently transmit electricity over long distances. Guard wires protect the electrical network, while conductors ensure power is distributed.

Why are galvanized steel conductors preferred for guard wires?

Galvanized steel conductors are preferred for guard wires due to their high tensile strength and corrosion resistance. The zinc coating on the steel helps protect the conductor from rust and deterioration, especially in harsh environmental conditions such as high humidity, coastal areas, or extreme weather. The durability of galvanized steel makes it an ideal choice for overhead power lines and guard wires, ensuring long-term performance and reduced maintenance costs.

What are the advantages of using galvanized steel conductors in power transmission?

Galvanized steel conductors offer several key advantages in power transmission lines. They provide excellent tensile strength, making them ideal for long-distance overhead power lines where support is needed for large spans. The galvanization process also ensures corrosion resistance, allowing them to withstand exposure to harsh weather conditions. Galvanized steel conductors are highly durable, low-maintenance, and cost-effective, making them a popular choice for both guard wires and transmission cables in industrial and utility applications.

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