Wires and Cables
Service Drop Cable(ANS/CEA S-76-474)
Upgrade your power distribution with our high-quality Service Drop Cables, designed according to ANS/CEA S-76-474 standards for safe and reliable overhead electricity delivery. Our product range includes Duplex, Triplex, and Quadruplex Service Drop Cables, suitable for residential, commercial, and light industrial applications.
All our cables feature high-conductivity aluminum or copper conductors with weather-resistant insulation, providing excellent protection against UV radiation, moisture, and mechanical wear. Engineered for minimal maintenance and long-term service life, these cables support stable and efficient electricity distribution from utility lines to end users.
Duplex Service Drop Cable
The Duplex Service Drop Cable is a reliable overhead cable for secondary power distribution from the utility pole to the service entrance. Featuring two insulated phase conductors (aluminum or ACSR) twisted around a bare or covered neutral messenger wire, it offers excellent mechanical strength and weather resistance. Insulation options include XLPE, PE, or PVC for superior UV, moisture, and abrasion protection. Compliant with ASTM B-230, B-231, ICEA S-76-474, and ANSI/ICEA standards, this cable supports low-voltage applications up to 600V. Lightweight design facilitates easy installation with reduced sag and long spans. The Duplex Service Drop Cable ensures minimal power losses, high tensile strength from the messenger, and long service life in harsh outdoor conditions. Ideal for residential, commercial, and rural electrification projects requiring safe, cost-effective aerial service connections worldwide.
Quadruplex Service Drop Cable
NPC Electric Quadruplex Service Drop Cable offers efficient overhead three-phase service with neutral support. Comprising three-phase conductors (aluminum) insulated with XLPE or PE and helically twisted around a strong neutral messenger (ACSR, AAC, or covered aluminum), it meets ASTM, ICEA, and international standards. The messenger provides full self-support, allowing longer spans and reduced infrastructure costs. Premium insulation resists sunlight, moisture, and mechanical abrasion for decades of outdoor service. Lightweight and flexible, it simplifies installation with low sag. The Quadruplex Service Drop Cable ensures minimal losses, high mechanical endurance, and excellent weather performance up to 600V. Flame-retardant options enhance safety. Perfect for reliable power delivery in urban developments, commercial areas, street lighting, and temporary sites requiring safe, cost-effective aerial bundled solutions.
Triplex Service Drop Cable
The Triplex Service Drop Cable is designed for overhead power distribution from utility lines to residential and commercial service entrances. It typically consists of two insulated phase conductors and one bare or insulated neutral messenger conductor, twisted together to provide mechanical support and electrical reliability. The phase conductors are insulated with weather-resistant materials such as XLPE or PE, offering excellent resistance to UV radiation, moisture, and environmental aging. Engineered for dependable performance, the Triplex Service Drop Cable ensures stable power delivery while minimizing line losses and installation complexity. Its lightweight yet robust construction allows for easy stringing across poles and buildings, while maintaining adequate tensile strength for long-span applications. Manufactured in accordance with applicable utility and industry standards, this cable is widely used in low-voltage overhead distribution networks where safety, durability, and long service life are essential.
1/0 Bull Aluminum Conductor Duplex Overhead Service Drop Cable
1/0 Bull Aluminum Conductor Duplex Overhead Service Drop Cable is designed for reliable secondary overhead power distribution from utility lines to residential and commercial service entrances. The cable consists of two aluminum conductors, typically one phase conductor and one neutral messenger, stranded concentrically to provide flexibility, strength, and stable electrical performance. The 1/0 Bull size offers a balanced combination of current-carrying capacity and mechanical durability, making it suitable for short- to medium-span service drop installations. Aluminum conductors ensure lightweight handling, reduced installation effort, and excellent corrosion resistance in outdoor environments. Manufactured in accordance with relevant ASTM and utility standards, the 1/0 Bull Aluminum Conductor Duplex Overhead Service Drop Cable delivers consistent conductivity, controlled sag, and dependable long-term operation. It is widely used by utilities and contractors seeking a cost-effective, easy-to-install solution for overhead service connections.
1/0 Malemute Aluminum Conductor Duplex Overhead Service Drop Cable
1/0 Malamute Aluminum Conductor Duplex Overhead Service Drop Cable is designed to deliver efficient and reliable power in overhead secondary distribution networks. Constructed with stranded aluminum conductors, the duplex configuration provides a combination of electrical conductivity, mechanical strength, and installation flexibility. The 1/0 Malamute size is suitable for typical service drop spans, offering dependable load capacity with controlled sag under varying weather conditions. Aluminum construction reduces overall cable weight, simplifies handling, and enhances corrosion resistance for long-term outdoor use. Produced under strict quality management systems, the 1/0 Malamute Aluminum Conductor Duplex Overhead Service Drop Cable meets utility and ASTM standards, making it a trusted solution for modern overhead service installations requiring safety, durability, and consistent performance.
2 Chow Aluminum Conductor Duplex Overhead Service Drop Cable
2 Chow Aluminum Conductor Duplex Overhead Service Drop Cable is designed for dependable secondary overhead power distribution from utility lines to residential and light commercial service entrances. The duplex configuration consists of two stranded aluminum conductors, typically functioning as a phase conductor and a neutral messenger, providing both electrical transmission and mechanical support. The No. 2 Chow conductor size delivers balanced current-carrying capacity with controlled sag, making it suitable for short to medium service drop spans. Aluminum construction offers low weight, excellent corrosion resistance, and ease of installation in outdoor environments. Manufactured in accordance with ASTM and utility specifications, the 2 Chow Aluminum Conductor Duplex Overhead Service Drop Cable ensures uniform stranding, stable conductivity, and reliable long-term performance. It is widely used by utilities and contractors seeking a cost-effective, durable solution for overhead service drop applications.
2 Doberman Aluminum Conductor Duplex Overhead Service Drop Cable
The 2 Doberman Aluminum Conductor Duplex Overhead Service Drop Cable is designed to provide efficient and dependable power delivery in overhead secondary distribution systems. Constructed with stranded aluminum conductors, the duplex configuration combines electrical conductivity with mechanical support for service drop installations. The No. 2 Doberman size is suitable for standard service drop spans, offering reliable load capacity with controlled sag under varying environmental conditions. Aluminum conductors reduce overall cable weight, simplify handling, and enhance corrosion resistance for long-term outdoor operation. Produced under strict quality management systems, the 2 Doberman Aluminum Conductor Duplex Overhead Service Drop Cable meets utility and ASTM requirements, making it a trusted solution for modern overhead service connections where safety, durability, and consistent performance are essential.
2 Schnauzer Aluminum Conductor Duplex Overhead Service Drop Cable
2 Schnauzer Aluminum Conductor Duplex Overhead Service Drop Cable is designed for reliable secondary overhead power delivery from utility distribution lines to residential and light commercial service entrances. The duplex construction consists of two concentrically stranded aluminum conductors, commonly used as a phase conductor and a neutral messenger, providing both electrical transmission and mechanical support. The No. 2 Schnauzer conductor size offers a practical balance between current-carrying capacity and tensile strength, ensuring controlled sag for short- to medium-span service drop installations. Aluminum conductors provide lightweight handling, excellent corrosion resistance, and simplified installation in outdoor environments. Manufactured in accordance with ASTM standards and utility specifications, the 2 Schnauzer Aluminum Conductor Duplex Overhead Service Drop Cable delivers uniform stranding, stable conductivity, and dependable long-term performance. It is widely selected by utilities and contractors seeking a durable, cost-effective solution for overhead service drop applications.
4 Dachshund Aluminum Conductor Duplex Overhead Service Drop Cable
4 Dachshund Duplex Service Drop Cable is a durable overhead cable for secondary power distribution to residential service entrances. Featuring two 4 AWG aluminum conductors (phase and neutral, 7-strand) insulated with XLPE or PE and assembled in duplex configuration, it provides excellent weather resistance and mechanical strength. Compliant with ASTM B-230, B-231, ICEA S-76-474, and ANSI/ICEA standards, this cable supports 600V applications with high UV, moisture, and abrasion protection. The self-supporting design simplifies installation with reduced sag over spans up to 100 feet. The 4 Dachshund Duplex Service Drop Cable ensures low power losses, reliable performance in harsh outdoor conditions, and long service life. Lightweight and flexible, it is widely used for single-phase service drops in urban, suburban, and rural areas requiring safe, cost-effective aerial connections from utility poles to homes.In-Depth Analysis
Service Drop Cable 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, NPC Overhead Insulated Cable exhibit lower losses and higher efficiency across the entire load range.
Load Efficiency Comparison(%)
No-load Loss Comparison(W)
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%
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
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
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%
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%
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
NPC Service Drop Cable have been rigorously tested and can operate stably under various harsh environmental conditions.
Temperature Range
-40℃ ~ +55℃
Can work normally in extreme high and low temperature environments
Humidity Adaptation
0 ~ 100% RH
Including condensation environment, no frost requirement
Weather Resistance Grade
UV/IEC 60811-501
The outer sheath has excellent UV resistance and aging resistance
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 service drop Cable trusted by industries worldwide.
Overhead Insulated Cable Manufacturer
NPC Electric is a leading overhead insulated cable manufacturer, specializing in the production of high-quality insulated power cables for overhead power lines and electricity distribution systems. Our overhead insulated cables are designed to provide safety, reliability, and long-term performance in outdoor installations, especially in high voltage and high-current applications. These cables offer excellent corrosion resistance and mechanical strength, ensuring minimal maintenance and increased durability. Made from premium materials and manufactured to international standards, NPC Electric’s insulated cables are perfect for urban, rural, and industrial networks. Our commitment to quality and innovation guarantees the reliable energy delivery and sustainable power distribution you need for any infrastructure project.
Overhead Insulated Cable Benefits
Overhead insulated cables offer several key benefits for power transmission networks. The primary advantage of insulated power cables is their enhanced safety, as they reduce the risk of electrical accidents by providing protection against accidental contact with live wires. These high voltage insulated cables also minimize the impact of environmental factors such as wind, rain, or snow on the transmission network. Corrosion-resistant cables are ideal for coastal areas or regions with high humidity, ensuring longevity and reducing maintenance costs. Additionally, insulated cables improve energy efficiency by minimizing losses and reducing the need for costly repairs. In renewable energy applications, such as solar and wind power systems, overhead insulated cables ensure safe and efficient energy delivery across vast areas.
Overhead Insulated Cable Installation
Overhead insulated cable installation requires careful planning and adherence to safety standards. NPC Electric ensures that our insulated power cables are installed following precise installation procedures, which include proper tensioning, securing to support structures, and maintaining safety clearances in overhead power lines. The high voltage cable installation process is designed to minimize risks and ensure long-term reliability. Once installed, insulated cables require regular maintenance to ensure optimal performance. This includes periodic inspections for damage, corrosion, and insulation wear, as well as testing for voltage endurance and mechanical integrity. NPC Electric’s cable maintenance services guarantee that power transmission networks continue to operate safely, efficiently, and with minimal downtime, ensuring reliable power delivery for urban, rural, and industrial installations.
Testing and Certification
At NPC Electric, every overhead insulated cable undergoes rigorous testing and certification to ensure optimal performance and safety. Our insulated power cables are tested for high voltage endurance, insulation resistance, and mechanical strength to meet IEC and ANSI standards. We conduct comprehensive quality control checks, including dielectric testing, temperature rise testing, and corrosion resistance evaluation to guarantee the durability of our high voltage cables in demanding environments. Each insulated cable is certified to meet international safety standards, ensuring reliable performance in overhead power lines, electricity distribution systems, and renewable energy projects. NPC Electric’s commitment to quality testing and certification ensures long-term, safe power transmission and minimal maintenance requirements.
Product Show
Explore the detailed design and practical application scenarios of overhead insulated cables
Overhead Insulated Cable
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Overhead Insulated Cable Color
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Aerial Bundled Cable
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Aerial Bundled Cable Core
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Service Drop Cable
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Control Cables
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Control Cables Structure
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Overhead Insulated SWA Cable
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Testing and Certification
Tested with precision and certified to meet international standards as
well as strict industry requirements.
Bare Cable Test Report
SGS Inspection Report
Certificate of Acceptance
ISO Quality Certificate
ISO Environmental Certificate
ISO Occupational Certificate
UL Laboratory Certificate
UL Product Certificate
Project Cases
NPC wires and cables have been successfully applied in many projects and have been highly praised by customers.
Peru Solar PV Project
CompletedNPC Electric Delivers Medium-Voltage Cables for Peru Solar PV Project
Country：Peru
Model：HEPRZ1(AS) 1x630 mm² 19/33kV x 6km
Chile El Project
CompletedReliable 19/33kV MV cables ensuring safe, stable, and efficient power transmission for critical projects.
Country：Chile
Model：19/33kV MV Power Cables x 5km
Dominican Edenorte Project
CompletedProvide outdoor power solutions for urban main road reconstruction projects to adapt to complex environments.
Country：Dominican
Model：NPC AAAC Cable & Triplex Cable x 10km
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
FAQ From Customers
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What is a service drop cable?
A service drop cable is an electrical cable that connects overhead power lines from the utility's distribution system to a residential or commercial building’s main electrical panel. Typically made of aluminum or copper, the cable serves as the final connection between the utility provider and the consumer, delivering electricity safely and reliably. It is often used for low-voltage power distribution to homes and businesses. -
What is a drop cable used for?
A drop cable is used to connect electrical service lines from a utility pole or transformer to the customer’s property. It provides the final connection for residential or commercial electrical service. Drop cables can be overhead service drop cables or underground service cables, depending on the installation method. These cables ensure safe and efficient delivery of electricity from the electricity distribution network to the meter and main breaker panel of a building. -
What type of wire is used for a service drop?
The type of wire used for a service drop depends on the voltage and installation method. Commonly, aluminum conductors are used in overhead service drop cables because of their lightweight and high conductivity. Duplex, triplex, and quadruplex cables are typically used, with triplex cables often being the most common for three-phase systems. These wires are designed to withstand environmental stress and provide safe power distribution for residential connections. -
What is an overhead service drop cable?
An overhead service drop cable is a type of drop cable that connects the utility pole to the house or building through overhead power lines. This cable is usually aluminum or copper and is designed to carry low voltage electricity from the distribution network to the customer's property. Overhead service drop cables are commonly used in residential areas and can be subjected to weather and environmental challenges, so they are built with durable, weather-resistant materials. -
What is the difference between Duplex, Triplex, and Quadruplex service drop cables?
Duplex, triplex, and quadruplex service drop cables differ in their construction and use:
1. A duplex cable consists of two wires and is typically used for single-phase connections in residential service drops.
2. Triplex cable includes three conductors and is used for three-phase connections, commonly in larger residential or commercial installations.
3. Quadruplex cable includes four wires and is used for three-phase service with an additional neutral conductor. This makes it ideal for larger, more complex service drops and higher voltage applications. Each cable type provides reliable electrical service and safe connections between the utility and the building.
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