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Twin Solar Cable

Get the Highest Quality Twin Solar Cable From GLZW!

At GLZW, we proudly offer you the highest quality Twin Solar Cable for your application needs. Our carefully sourced cable is made with durable materials and designed solely for safety. With its competitive price and superior quality, you can trust that you’re getting the best value when you buy from us. Get started now with our selection of Twin Solar Cable from China!

  • Cable

    Why Choose GLZW's Twin Solar Cable?

Why Choose GLZW's Twin Solar Cable?
Twin Solar Cable Price
  • Cable

    Twin Solar Cable Price

The market price range for Twin Solar Cable typically depends on various factors. These factors include the size, length, and quality of the insulated copper wires used in the cable, as well as the seller and the region where it is being sold.

On average, prices for Twin Solar Cable can range from $0.45 to $2.20 per meter. For larger rolls or bulk orders, prices can be slightly lower than the average price per meter.

List of Standard Specifications for Twin Solar Cable

Conductor MaterialMulti-strand Copper Wire
Insulation MaterialDouble XLPO
Cable TypeTwin Core Solar Cable
Temperature Range-40℃ to + 125℃
Voltage RatingDC 1.8kV (max)
ResistanceHeat, Cold, Friction, Rubbish, UV Resistant
DurabilityLong-term outdoor use
StandardAccording to EN50618

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The Ultimate Guide to Twin Solar Cable

If you’re new to solar power, you must know about Twin Solar Cable and its benefits. That’s why we’ve created The Ultimate Guide to Twin Solar Cable, an informative and easy-to-follow guide designed to help you make more informed decisions when setting up your solar system.

What is Twin Solar Cable?

What is Twin Solar Cable?


Twin solar cable, also known as twin-core solar cable, is a type of electrical cable designed for connecting components in a photovoltaic system. It consists of two separate cores of multi-stranded copper wire, each with a double layer of XLPO insulation that provides heat, cold, friction, rubbish, and UV resistance. This cable is widely used in outdoor and extreme weather conditions and is ideal for heavy-duty applications.

How does Twin Solar Cable work?

Twin solar cable connects photovoltaic system components, including solar panels, charge controllers, battery banks, and inverters. It provides a flexible and efficient electrical connection that allows the system to generate and harvest solar energy. The multi-stranded copper wire offers low resistance and high conductivity, while the double insulation layer protects against harsh weather and environmental conditions.

Advantages of using Twin Solar Cable

It has several advantages over other types of electrical wires. Firstly, it is designed for outdoor and extreme weather conditions, which means it can resist heat, cold, friction, rubbish, and UV radiation. Secondly, it has a low resistance and high conductivity, which means it can handle high currents and provide efficient energy transfer. Finally, it is flexible, durable, and easy to install, making it an ideal choice for photovoltaic system applications.

Applications of Twin Solar Cable

Twin solar cable is used in various photovoltaic system applications, including commercial and residential solar installations, off-grid power systems, and mobile power solutions. It connects solar panels to charge controllers, batteries, and inverters and connects various components within the system. It can also be used in other outdoor electrical applications, such as marine and automotive electrical systems.

Twin Solar Cable vs. Single Core Solar Cable

Twin solar cable has two separate cores, while the single-core solar line has only one body. The main difference is that twin solar cable has higher flexibility and lower resistance due to its multiple strands, which means it can handle higher currents and provide more efficient energy transfer. Single-coreOn the other hand, the single-core solar cable is generally less flexible and more rigid due to its single-strand design. However, both cable types are designed for outdoor and extreme weather conditions and are widely used in photovoltaic system applications.

What are the Key Features of Twin Solar Cable?

Features of Twin Solar Cable

Cable Length

They are available in various lengths depending on the requirements of the photovoltaic system. The standard size for twin solar cables is 100 meters per roll. However, it can also be customized according to the customer’s needs. The cable length is essential as it determines the distance between the solar panels and other system components.

Wire Thickness and Material

Twin solar cables consist of multi-strands of copper wire with a double XLPO insulation layer. The thickness of the threads varies according to the size of the line. The most commonly used measures of twin cables are 6mm2 and 4mm2. The highly conductive copper wires provide a low resistance path for the current flow. Using copper wires in twin solar cables makes them durable and efficient.

Solar Panel Compatibility

They are designed to connect photovoltaic system components both inside and outside. Hence, compatibility with solar panels is crucial. Twin solar cables provide a reliable connection between the solar panels and other system components, such as inverters and batteries. Solar panels operate at a high voltage and it can withstand the high voltage conditions, making them compatible with solar panels.

Insulation and Jacketing

Twin solar cables feature a double XLPO (cross-linked polyolefin) insulation layer, providing thermal stability, abrasion resistance, and excellent electrical properties. The insulation layer also offers resistance to sunlight and UV radiation, making it suitable for outdoor applications. The outer jacket of the twin solar cables is made from a black, weather-resistant material that can withstand harsh weather conditions and provide additional protection to the wires.

Connector Types

Depending on the application, twin solar cables come with different connectors. The commonly used connectors are MC4 and Tyco mate-n-lock. These connectors are easy to install, provide a secure connection, and prevent moisture ingress. The connectors ensure a reliable connection between the solar panels and other components in the photovoltaic system.

How to Install Twin Solar Cable?

Install Twin Solar Cable

Professional Definition: Installing twin solar cables connects various photovoltaic system components through a double XLPO insulated twin-core solar cable. This installation helps to transmit energy from the solar panels to the inverter.

Step-by-Step Installation Guide:

Step 1: Determine the required length of the twin solar cable by measuring the distance between the solar panels and the inverter—factor in extra size for corners and routing. 

Step 2: Strip the cable on each end to reveal the copper strands. It is essential to expose the right length and to avoid exposing any more copper strands than necessary.

Step 3: Attach the twin solar cable to each component by following the manufacturer-provided connection diagram, ensuring the polarity is correct.

Step 4: Use solar PV connectors to join the solar cable to the components. Ensure that the connectors are corrosion-resistant and appraised for the appropriate voltage.

Step 5: Install the cable into a conduit or trunking. This will protect the wires from accidental damage and sun exposure. 

Tools and Equipment Required:

– Wire Stripper
– PV Connectors
– Screwdriver
– Conduit or Cable Trunking
– Measuring Tape

Proper Positioning and Mounting:

Positioning and mounting are critical during the installation process. The cables should be aligned away from sharp objects, electrical circuits, and heat sources to reduce potential damage.

Connecting to Solar Panels:

Connecting the solar panels to the twin solar cable is a crucial step. The solar panels have positive and negative terminals requiring these terminals to be joined; maintaining polarity is essential. 

Safety Precautions:

Safety precautions must be observed while installing twin solar cables. Always disconnect the batteries and solar panels before the installation. All connections should be made carefully based on the manufacturers’ directions. Always wear protective equipment (PPE) such as gloves, goggles, and industrial boots.

How to Choose the Right Twin Solar Cable?

Choose the Right Twin Solar Cable

Solar power systems are becoming increasingly popular as the demand for renewable energy sources increases. Twin solar cables connect photovoltaic system components inside and outside the house. However, choosing a suitable twin solar cable can be challenging. Here are a few key considerations to help you make an informed decision.

Considerations for PV System Size:

Before choosing a twin-core solar cable, consider the size of your photovoltaic (PV) system. The size of your PV system determines the amount of current that flows through the line. If the line is too small, it can cause power loss; if it’s too large, it can be costly. Therefore, choose a twin solar cable that can handle the current requirements of your system.

Cable Length Requirement:

Another factor to consider is the length of the twin-core solar cable you need. Choosing the right line size is essential to avoid unnecessary costs and power loss from voltage drop. Therefore, calculate the distance between the PV panels and the inverter before selecting the correct length of the twin solar cable.

Cable Certification and Standards:

Another vital consideration is to ensure the twin solar cables you choose meet the required safety standards. Solar lines must meet international standards such as TUV and UL certification. Ensure the wires you choose have the necessary accreditation and comply with the specific standard requirements in your country.

UV and Weather Resistance:

It must be durable and survive harsh weather conditions. The wires should be UV resistant so they don’t wear out quickly due to exposure to the sun. Additionally, the cables must be weather-resistant, preventing water infiltration, especially when installed in damp areas such as rooftops.

Manufacturer Reputation and Quality:

Lastly, choosing a twin solar cable from a reputable manufacturer of quality products is essential. Consider the manufacturer’s warranty, customer support availability, and industry operational history.


Choosing the suitable solar cable for your PV system requires careful consideration. Consider the size of your PV system, cable length requirement, certification, UV and weather resistance, and manufacturer reputation when selecting the suitable twin solar cable. Remember, choosing the right solar line ensures optimal performance, maximizes the lifespan of your PV system, and guarantees safety.

What are the Top Manufacturers of Twin Solar Cable?

Twin Solar Cable Manufacturers

They are essential for connecting photovoltaic systems inside and outside. They come in a twin-core design made of multi-strands of copper wire with a double XLPO insulation layer. These cables are designed for harsh outdoor conditions and resist adverse weather, friction, and UV rays.

Regarding the top manufacturers of twin solar cables, several companies stand out in the market. These manufacturers are known for producing high-quality, reliable twin-core solar lines that meet industry standards. Below are some of the top manufacturers of twin solar cables:

1. Lapp Group: Lapp Group is a German-based manufacturer specializing in producing electrical cables and wires for various applications, including photovoltaic systems. The company’s twin-core solar lines are made from high-quality copper wire and feature a UV-resistant insulation layer.

2. Prysmian Group: Prysmian Group is an Italian-based manufacturer that produces various cables and wires for different industries, including energy and telecommunications. The company’s twin-core solar cables are designed to withstand harsh weather conditions and have a long lifespan.

3. General Cable: General Cable is a US-based manufacturer that produces electrical cables and wires for various industries, including solar power. The company’s twin-core solar lines are made from high-quality copper wire and feature a durable insulation layer resistant to weather and UV rays.

4. Nexans: Nexans is a French-based manufacturer specializing in producing electrical cables and wires for various applications, including renewable energy. The company’s twin-core solar cables feature a high-quality copper wire core and a weather-resistant insulation layer that can withstand extreme temperatures.

What are the Related Products and Accessories for Twin Solar Cable?

Related Products and Accessories

Solar Connectors

Solar connectors are essential for connecting the twin solar cables to photovoltaic system components like solar panels and inverters. They are designed to ensure a safe and secure connection and efficient electricity transmission. The MC4 solar connector is the most widely used in the industry and is known for its high quality and reliability. They are waterproof and dustproof, making them suitable for outdoor use even in harsh weather conditions.

PV Cable Assembly

A PV cable assembly is a pre-assembled set of twin solar cables and connectors, making installation much more accessible. They are handy for large buildings where many solar panels must be connected in series or parallel. PV cable assemblies are available in different lengths, gauges, and connector types, and they are specially designed for maximum power output and efficient energy conversion.

Solar Cable Clips

Solar cable clips are plastic or metal clips that secure twin solar cables to mounting surfaces, such as roof tiles, walls, or poles. They prevent the lines from flapping around or getting tangled, which could lead to damage or inefficiency. Solar cable clips are available in various sizes and designs to match the specific needs of your solar installation.

Solar Cable Extensions

Solar cable extensions are additional lengths of twin solar cables that can be used to extend or replace existing lines in a solar system. They are helpful for situations where the distance between the solar panels and the inverter is too great for the standard lengths of twin solar cables that come with the system. Solar cable extensions are available in different sizes and gauges to match the installation’s requirements.

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Frequently Asked Questions

A: Twin solar cable, also known as twin core solar cable, is a type of DC cable specifically designed for solar PV systems. It consists of two insulated wires, typically made of tinned copper, bound together in a single jacket.

A: The main difference is that twin solar cable is specifically designed for use in solar PV systems, whereas regular wire is not. Twin solar cable is made with materials resistant to high temperature, UV radiation, and ozone, making it suitable for outdoor solar applications.

A: Twin solar cable offers several advantages. It is designed to withstand the harsh outdoor conditions and is resistant to high temperatures, UV radiation, and ozone. It is also flame retardant, ensuring the safety of your solar system. Additionally, twin solar cable is available in various sizes, including 4mm and 6mm, to meet different installation requirements.

A: Our twin solar cable is certified to meet the highest quality standards. It is tested and approved by relevant authorities to ensure its durability, safety, and performance in solar PV systems.

A: No, twin solar cable is specifically designed for DC (direct current) applications in solar PV systems. For AC (alternating current) applications, you would need to use a different type of cable suitable for AC voltage.

A: You can order twin solar cables by contacting our sales team. Please fill out the contact form on our website and provide your requirements. Our team will reply within 24 hours and assist you with your order.

A: We offer various packaging options for twin solar cables, including drums, reels, and pallets. These options are available to accommodate different order sizes and transportation requirements. Please let us know your specific packaging needs when placing your order.

A: Our twin solar cable is designed to handle high-voltage applications. It is rated up to 1500V, making it suitable for solar PV systems operating at high voltages.

A: Yes, the twin solar cable is resistant to corrosion. It is made with high-quality materials specifically chosen to resist environmental factors, including corruption. This ensures the durability and longevity of the cable, even in harsh and corrosive environments.

A: Some related products for twin solar cable include PV1-F solar cable, tinned copper wire, and solar power connectors. These products are commonly used with twin solar cables to create a complete and reliable solar PV system.

A: Solar power is becoming the most popular and promoted energy source worldwide due to its numerous benefits. It is a clean and renewable energy source, reducing the reliance on fossil fuels and minimizing environmental impact. Solar power systems are also becoming more affordable and efficient, making them an attractive option for individuals, businesses, and governments looking to transition to sustainable energy.

Twin Solar Cable Expert
Twin Solar Cable Expert
Address: No.218 of Pengping Road, Shaochang Town, Fengxian District, Shanghai,China
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