Description

4mm Solar DC Cable – Single Core – 100m

This 4mm solar DC cable 100m is designed specifically for use in photovoltaic (PV) systems, providing reliable electrical performance, excellent durability, and long-term resistance to outdoor conditions. Supplied in a convenient 100m coil, it is suitable for residential, commercial, and off-grid solar installations where dependable DC cabling is essential.

Manufactured using high-purity stranded copper conductors, this single core solar DC cable offers excellent conductivity while remaining flexible and easy to install. The robust black insulation provides strong protection against UV exposure, heat, and environmental stress, making it ideal for both indoor and outdoor applications in demanding solar environments.

Key Features

• 4mm² single core solar DC cable

• 100m coil length

• High-purity stranded copper conductor

• Excellent electrical conductivity

• Flexible and easy to install

• UV resistant black insulation

• Suitable for indoor and outdoor use

• Designed for photovoltaic (PV) systems

Applications

This 4mm solar DC cable 100m is commonly used for:

• Connecting solar panels to inverters

• DC connections within photovoltaic systems

• Solar charge controller wiring

• Residential and commercial solar installations

• Off-grid and battery-based solar systems

Its longer coil length makes it particularly useful for installations requiring extended cable runs, helping to reduce joins and maintain a cleaner, more reliable DC circuit.

Why Choose This Solar DC Cable?

Choosing the correct DC cable is critical for the safety, efficiency, and longevity of any solar installation. This 4mm solar DC cable 100m provides a reliable solution that meets the demands of modern PV systems while offering excellent flexibility and ease of installation.

The combination of durable insulation and high-quality copper conductors ensures consistent electrical performance over the lifetime of the installation. Using a continuous 100m length can also help minimise the number of joints required, reducing potential points of failure and improving overall system reliability.

Available Sizes

This solar DC cable is available in other lengths and conductor sizes, including 50m and 500m options, as well as 6mm² and 10mm² variants. This allows installers and system designers to select the most suitable cable size and length for their specific installation requirements.

If you are working on a larger system or require longer cable runs, the 100m option provides added flexibility while maintaining consistent performance.

Browse our full range of solar DC cables and accessories to complete your photovoltaic installation.

Installation Guidance

When installing a 4mm solar DC cable 100m, ensure all terminations are correctly fitted and protected from moisture ingress. Always follow manufacturer recommendations and relevant electrical standards when routing DC cabling through roofs, conduits, or external enclosures.

Care should be taken to avoid sharp bends, excessive tension, or unnecessary mechanical stress during installation. The flexible construction of this cable makes it easier to route through tight spaces and around mounting structures, helping to achieve a neat and professional finish.

Durability & Performance

The insulation used on this 4mm solar DC cable 100m is engineered to withstand prolonged exposure to sunlight, temperature variation, and mechanical wear. This ensures long-term reliability in outdoor solar installations where consistent electrical performance is essential.

The high-purity copper conductor provides low resistance and efficient power transmission, helping to minimise energy losses across longer DC cable runs and supporting stable system operation.

Suitable Solar Applications

This product is suitable for a wide range of solar DC applications, including:

• Residential solar panel installations

• Commercial photovoltaic systems

• Off-grid solar power setups

• Battery storage and inverter connections

• Solar charge controller wiring

Selecting the correct cable size and length is essential for maintaining system efficiency and safety. The 4mm solar DC cable 100m provides a practical and dependable solution for many standard PV installations.

Compliance & Installation Standards

This 4mm solar DC cable 100m is suitable for use in photovoltaic installations where compliance with recognised electrical and safety standards is required. Selecting correctly rated DC cabling plays an important role in ensuring system safety, efficiency, and long-term performance.

For further information on photovoltaic cabling standards and best practice installation guidance, refer to documentation provided by the International Electrotechnical Commission (IEC).