Chat with us, powered by LiveChat


MC4 cable

High Quality MC4 Cables from GLZW!

At GLZW, we provide high-quality MC4 cables for your projects. Our products are tested to ensure durable and reliable performance. We source our materials from trusted suppliers in China to ensure the highest possible quality.

  • Cable

    Why Choose GLZW's MC4 Cable?

Why Choose GLZW's MC4 Cable?
MC4 cable Price
  • Cable

    MC4 cable Price

Based on market research and industry reports, the price range for MC4 cable varies depending on various factors such as length, gauge, and quality of materials used. However, a reasonable and generic price range for MC4 cable is between $0.60 and $2.00 per foot.

The price may be higher for those cables with heavier gauge sizes or made from premium quality materials. The installation cost may also add to the overall price of the MC4 cable. It is important to note that prices may vary greatly depending on the region, supplier, and quantity ordered. Shopping around for the best quality and price combination that suits your specific needs before making a purchase is recommended.

List of Standard Specifications for MC4 cable

Connector TypeMC4
Contact MaterialCopper, Tin Plated
Insulation MaterialPPO
Rated CurrentAbout 30A
Rated VoltageUp to 1500V DC
Test Voltage6 kV (50 Hz)
Operating Temperature-40℃ to +85℃
Protection DegreeIP67
Flame ClassUL94-V0
Contact ResistanceLess than 0.5 Ω
Insertion Force/ Withdrawal Force≤50N / ≥50N
Locking SystemSnap in
StandardTÜV certified, UL 6703

MC4 cables for Sale

Related Product Recommendation

PV Cable

PV Cable

PV Cable Invest in Quality PV Cable from China! Make your investments pay off with high-quality PV cable from GLZW....

Read More
Twin Solar Cable

Twin Solar Cable

Twin Solar Cable Get the Highest Quality Twin Solar Cable From GLZW! At GLZW, we proudly offer you the highest...

Read More
10 AWG Solar Cable

10 AWG Solar Cable

10 AWG Solar Cable Get Quality Solar Cable Fast – 10 AWG Now Available! Want to get your solar projects...

Read More
PV Wire

PV Wire

PV Wire High Quality PV Wire from GLZW At GLZW, we provide the highest quality PV wire from China. It’s...

Read More

The Ultimate Guide to MC4 cable

MC4 cables are a crucial tool for transmitting electricity through solar panel systems. With GLZW, you can unlock their full potential and get the most out of your solar energy setup. Our Ultimate Guide to MC4 Cables is designed to give you an in-depth understanding of their work, benefits, and tips for a successful installation.

What is MC4 Cable, and Why is it Important?

What is MC4 Cable


MC4 cable is a solar cable connector that connects solar panels and accessories, forming an array module. The MC4 connector is known for its reliable connection, waterproof and anti-friction properties, and ease of use. The model number of the connector is MC, with “4” referring to the diameter of the metal. The cable is essential for ensuring that solar panels are operating optimally.

What Is MC4 Connector?

MC4 Connector is a solar cable connector that connects solar panels and accessories in photovoltaic systems. It is a reliable and easy-to-use connector that offers waterproof and anti-friction characteristics. The connector is designed explicitly with potent anti-aging and UV resistance, making it adaptable to harsh outdoor environments. MC4 stands for the model number of the connector, with 4 referring to the diameter of the metal.

MC4 connectors are widely used in essential components of solar power generation systems, such as modules, converters, and inverters. Since PV systems are exposed to extreme temperature changes, rain, and sun for long periods, the connectors must have a minimum lifespan of 20 years. To adapt to these harsh environmental conditions, MC4 connectors have been designed to be high temperature resistant, weatherproof to UV rays, touch-protected, and have a high current carrying capacity.

The process of making MC4 cables involves five essential steps. Firstly, the male core, female core, male head, and female head must be checked for damage. Secondly, the insulation length of the photovoltaic cable is stripped depending on the size of the male core, and the PV cable core is inserted into the male crimp end. Thirdly, the crimping pliers crimp the male body with appropriate strength. Fourthly, the female fastening end is inserted first into the cable, and then the male body is snapped into the female connector with a proper force. Finally, a wrench is used to tighten the connector.

Understanding the Basics of MC4 Cable

It is famous for solar panel installations due to its durable design. The connectors are fixed with a stable self-locking mechanism that enables quick opening and closing. Comp compression and tightening connect solar cable, making it reliable and long-lasting. The MC4 connector has a potent anti-aging and UV resistance, making it ideal for harsh environments.

Why is MC4 Cable Essential for Solar Panel Installations?

It is crucial for solar panel installations as it provides a secure and stable connection between the solar panels and the system’s other components, such as converters and inverters. The cable is designed to bear the burden of successful power plant connections and must be efficient, high current carrying capacity, and weatherproof. The MC4 cable has a minimum life cycle of 20 years, ensuring the panels operate reliably.

How Does the MC4 Cable Ensure Optimal Power Output?

The MC4 connector helps maintain the optimal power output of solar panels by ensuring the connection is stable and secure. The connector is designed to resist the harsh outdoor elements that solar panels are exposed to, ensuring that it lasts for years without damage. The connector’s low contact resistance provides no power loss due to resistance, keeping the solar panel’s maximum output.

The Advantages of Using MC4 Cable in Solar Applications

Using MC4 cable in solar applications offers numerous advantages. MC4 connectors use compression and tightening for connection, making it reliable and long-lasting. The connectors have potent anti-aging and UV resistance, ensuring they remain effective for years. The connectors are also easy to use, with a stable self-locking mechanism that enables quick opening and closing, making installation efficient.

Common Misconceptions About MC4 Cable

One common misconception about MC4 cable is that it’s difficult to install and use. However, with the appropriate tools, such as a wire stripper, crimper, and open-end wrench, the cable is relatively easy to work with. Another misconception is that the line is expensive compared to other solar cable connectors. However, it has a minimum life cycle of 20 years, ensuring it provides excellent value for money in the long run.

Choosing the Suitable MC4 Cable for Your Solar Panel Setup

Choosing the Suitable MC4 Cable for Your Solar Panel Setup

Several factors must be considered when selecting an MC4 cable for your solar panel setup. Firstly, the cable should have a suitable wire gauge determined by the maximum current output of your solar panels. The line should also be compatible with your inverter, charge controller, and other solar accessories. Additionally, the line should be of good quality, with weather-resistant and UV-resistant properties to withstand the outdoor environment.

Factors to Consider When Selecting MC4 Cable

The wire gauge is one of the main factors to consider when selecting an MC4 cable. The wire gauge refers to the size of the copper wires within the cable and is determined by the maximum current output of your solar panels. Using a wire gauge that is too small can cause overheating and power loss, while a wire gauge that is too large can result in unnecessary expenses. It is essential to consult an expert or use an online wire gauge calculator to determine the appropriate size for your solar system.

MC4 Connectors: Understanding the Different Types and Their Compatibility

Various types of MC4 connectors are available in the market, including MC4 plus, MC4 branch, MC4 T-branch, and MC4 Y-branch. Each type has its unique function and is compatible with different solar setups. For instance, MC4 T-branch connectors are used for parallel connections, while MC4 Y-branch connectors are used for series connections. Before purchasing, it is crucial to understand the different types of MC4 connectors available and their compatibility with your solar setup.

How to Determine the Appropriate Wire Gauge for Your Solar System

Determining the appropriate wire gauge for your solar system depends on several factors, such as the distance between your solar panels and the inverter or charge controller, the maximum current output of your solar panels, and the number of meetings in your array. It is recommended to consult an expert or use an online wire gauge calculator to ensure that your wires can handle the maximum current output of your solar system without overheating or power loss.

What Is the Recommended Length for MC4 Extension Cables?

The recommended length for MC4 extension cables depends on the distance between your solar panels and the inverter or charge controller. It is essential to ensure that the wires are not too long or too short, as this can result in power loss or overheating. It is recommended to use extension cables that are as short as possible to minimize power loss and increase energy efficiency.

The Importance of Using UL-Listed MC4 Cable

Using UL-listed MC4 cable is crucial as it ensures that it has undergone rigorous testing and meets the safety and quality standards of Underwriters Laboratories (UL). UL-listed MC4 cables are certified safe, reliable, and high-quality, providing peace of mind to homeowners and installers alike. Always use UL-listed MC4 cables when setting up a solar system to ensure the safety and efficiency of your setup.

Installation and Maintenance Tips for MC4 Cable

Installation and Maintenance Tips for MC4 Cable

Proper Installation Techniques for MC4 Cable

When installing MC4 cables, use proper installation techniques to prevent electrical and mechanical failure. Firstly, properly strip the insulation from the cable ends before crimping in the connector. A crimping tool with appropriate force is essential for a tight and secure connection. Applying a small amount of dielectric grease to the connectors and heat-shrink tubing is also recommended to help protect the link from moisture.

Best Practices for Connecting MC4 Cable to Solar Panels

Connecting MC4 cable to solar panels requires specific knowledge and care to prevent errors and ensure the highest level of performance. One of the first things to do when connecting MC4 cables is to match the polarity. Connect the negative terminal of the solar panel to the negative terminal of the connector and the same for the positive terminal. Additionally, it’s best to ensure that the cables are cut to the right length to minimize voltage drop. Also, using MC4 connectors with lock-in features would be great as they keep connections intact regardless of the weather.

Maintaining and Troubleshooting MC4 Cable Connections

Proper maintenance of MC4 cable connections is essential to prolonging their lifespan. Generally, it is important to regularly inspect the links for any signs of damage, wear, or corrosion and tighten any loose connections. In case of any problems, it is crucial to troubleshoot the issue promptly and assess damage to prevent further deterioration to the system. 

How to Extend the Length of MC4 Cables in Outdoor Installations

Extending the length of MC4 cables may be necessary for outdoor installations to reach the desired project location. To extend the wires, first, it’s essential to use weather-resistant MC4 connectors to protect the system from environmental elements. Then, after ensuring good wire connections, cover the tie with weather-resistant heat shrink tubing.

Reviewing the Top-Rated MC4 Cable Products

When choosing the suitable MC4 cable for a solar panel system, there are several things to consider, such as the length, thickness, and voltage rating. There are many top-rated MC4 cable products in the market, so it’s essential to review and compare the features and prices of different products before deciding. Some of the highest-rated brands for MC4 cables include Renogy, BougeRV, WindyNation, and more. Always ensure you get the best cable that meets your needs and, most importantly, is safe to use.

Common issues and FAQs related to MC4 cable

issues and FAQs related to MC4 cable

It is a critical component in solar panel installations, and it is crucial to ensure that it works correctly to ensure the efficiency and safety of the system. However, users may encounter common issues, and here are some FAQs to help address them.

What to Do If MC4 Connectors Do Not Fit Properly?

If MC4 connectors do not fit properly, it may be due to a manufacturing defect, or the connectors may not be compatible. In such a scenario, it is recommended that you try using connectors from the same manufacturer as the solar panels or consult an expert.

Can MC4 Cable be used with different brand solar panels?

Yes, it can be used with different brands of solar panels. These connectors have been designed to be universal, ensuring compatibility with other brands. However, it is vital to ensure that the cables are compatible with the electrical requirements of the panels.

How to Test the Performance of MC4 Cable Connections?

To test the performance of MC4 cable connections, you can use a multimeter to measure the system’s voltage and current. Ensure that the readings are within the expected values specified in the user manual. Also, frequently inspecting the cables and connectors is essential to ensure they are in good condition.

Are there any alternatives to MC4 Cable for solar panel installations?

There are alternatives to MC4 cables, such as Tyco SolarLok and Amphenol Helios H4 connectors. These connectors are similarly designed to MC4 and offer the same features such as robustness, waterproofing, and anti-aging properties. However, they may not be compatible with all solar panels, and it is crucial to consult an expert before selecting an alternative.

Where Can I Purchase Quality MC4 Cables and Connectors?

Quality MC4 cables and connectors can be purchased from reputable suppliers such as GLZW Cable, which specializes in manufacturing and providing high-quality solar wires and accessories. It is vital to ensure that the cables and connectors are certified and comply with the appropriate industry standards to ensure their safety and reliability.

In conclusion, they are essential components in solar panel installations, and ensuring that they work correctly is critical to the system’s efficiency and safety. If you encounter any issues, consult an expert or ask the manufacturer for assistance. Additionally, regularly testing and inspecting the cables and connectors is essential to ensure they are in good condition.

Ensuring Safety and Compliance with MC4 Cable

Ensuring Safety and Compliance with MC4 Cable

MC4 cable connectors are crucial in connecting solar panels and accessories to form a reliable and efficient solar power plant. However, working with electrical systems always risks injury or malfunction. Therefore, it is crucial to understand the electrical codes and regulations for MC4 cable installations to ensure safety and compliance with industry standards.

Understanding Electrical Codes and Regulations for MC4 Cable

To ensure safe and reliable operation of solar power plants, following the electrical codes and regulations for MC4 cable installations is essential. These standards dictate the requirements for electrical wiring, grounding, and protection against electrocution, fire, and other hazards. Familiarize yourself with these regulations before installing MC4 cable connectors.

Proper Grounding and Insulation for MC4 Cable Connections

MC4 cable connectors must be grounded and insulated to prevent electrical shock and damage to the equipment. Connecting the positive and negative cables creates a short circuit and can cause severe injury or fires. Always follow the proper grounding procedures and use appropriate insulation to protect the wires from exposure, damage, and leaks.

How to Protect MC4 Cable from UV and Moisture Damage

Solar power systems are exposed to harsh environmental conditions like moisture, rain, snow, and UV radiation, which can cause damage to MC4 cables over time. To prevent this, it is essential to use high-quality lines resistant to UV rays and moisture. Additionally, you should use protective materials like cable covers, conduit pipes, and specialized connectors for MC4 cable connections.

Using MC4 Cable with Charge Controllers and Inverters

MC4 cable connectors are compatible with various charge controllers and inverters. However, it is essential to verify the compatibility of MC4 cable connectors with your specific charge controller or inverter before installation. Using incompatible components can cause electrical damage, malfunction, and fire hazards.

Standard Safety Precautions When Working with MC4 Cable

Working with MC4 cable connectors requires specialized knowledge and expertise to avoid electrical hazards and other risks. Always wear protective gear when installing MC4 cable connectors, including gloves, safety glasses, and proper footwear. Turn off all electrical sources before you start, and use the correct tools for connecting and tightening MC4 cable connectors.

Contact GLZW

Contact Form Demo (#3)

Frequently Asked Questions

A: The MC4 cable has a unique connector design for quick and easy connections. Its male and female connector can be plugged and played, allowing you to connect your solar panels in a string or parallel configuration.

A: The gauge of an MC4 cable refers to its thickness or diameter. The most common meter for MC4 cables is 10 AWG, which stands for American Wire Gauge. This gauge is suitable for most solar energy systems.

A: The length of an MC4 cable can vary depending on your specific needs. They are commonly available in heights of 20 feet, 30 feet, 50 feet, and 100 feet. You can choose the appropriate size based on the distance between your solar panels and other components.

A: Yes, It can be used to extend your solar array. They are called MC4 solar extension cables and can help you connect your panels even if they are far from the central system.

A: It is possible to connect two MC4 cables using MC4 connectors. These connectors come in male and female versions, allowing you to connect and disconnect your cables easily.

A: While MC4 cables are primarily designed for solar energy systems, they can also be used for low-voltage DC applications. However, ensuring that the voltage and current requirements are within the cable’s specifications is essential.

A: MC4 cables can be used in RVs or trailers with solar panels installed. They provide a reliable and efficient way to connect the solar panels to the battery bank or other electrical components.

A: Customers who purchase MC4 cables often view products such as combiner boxes, PV wires, circuit breakers, bus bars, and solar panel mounting brackets. These products are commonly used with MC4 cables in solar energy systems.

A: MC4 cables are widely available online and at stores specializing in solar energy products. You can also check with your local solar installers or electrical supply stores. Or contact us for professional help: tel.
+86 13122233268

MC4 cables Expert
MC4 cables Expert
Address: No.218 of Pengping Road, Shaochang Town, Fengxian District, Shanghai,China
OEM Services
Scroll to Top
Contact Form Demo (#3)