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The Ralos RC2C6T is a twin 6mm² solar cable engineered for DC photovoltaic systems. Supplied in a 100-metre roll, this cable is rated to 1500V DC, making it suitable for panel-to-inverter and inter-array wiring in residential and commercial solar installations. The RC2C6T features tinned copper conductors and XLPE insulation, delivering durability in outdoor environments across the full operating temperature range.
Solar installers rely on correctly rated cable for each system voltage. The RC2C6T's 1500V DC rating covers the majority of modern string inverter systems and is compliant with Australian and international PV wiring standards. Its tinned copper construction resists corrosion in coastal and high-humidity regions, while the UV-stabilised black sheath protects against degradation during decades of rooftop exposure. The twin-core red and black marking eliminates guesswork on polarity during installation.
Licensed solar electricians specify the RC2C6T when rooftop arrays demand a single cable type that handles both string runs and inter-array drops without oversizing. The 100-metre roll format matches common single-run lengths on residential systems, reducing waste and cost per square-metre of roof. Stiff cable behaviour out of the roll is typical for quality solar string cable and reduces installation time when running along standard rail layouts. The cable carries AS/NZS 5033, EN 50618, and TÜV 2PfG 1169 compliance, meeting all requirements for grid-connected installations under current Australian standards.
The Ralos RC2C6T is not suitable for AC mains wiring, interior building distribution, or applications above 1500V DC. It must be installed by a licensed electrician and terminated to MC4 connectors or compression lugs rated for 6mm² conductors. Do not exceed 70A continuous current or 1500V DC system voltage.
(RC2C6T)
Yes, the RC2C6T is UV-resistant and weatherproof, making it ideal for outdoor PV wiring. The UV-stabilised black sheath protects against decades of direct rooftop exposure without degradation, and the cable meets all outdoor durability requirements under AS/NZS 5033.
The RC2C6T uses tinned copper strands with 78 x Ø0.30mm stranding for flexibility and corrosion protection. Tinned coating resists oxidation in coastal and humid climates, maintaining stable terminal resistance over the cable's 25-year service life.
Yes. The cable is rated for both series strings (where voltage adds) and parallel arrays (where current adds). At 70A maximum current, it suits parallel drops from roof-to-ground combiner boxes or panel-level optimisers.
Yes, the cable is flame retardant (IEC 60332-1-2) and ozone tested (IEC 60754). It is rated for –40°C to +90°C operation, covering all Australian climates from mountain winter nights to summer rooftop peaks. The halogen-free, low-smoke formulation also provides safety in confined roof spaces and battery rooms.
Halogen-free insulation does not release toxic gases (chlorine, fluorine) if the cable catches fire. This is important for attic routing where fumes are contained, and for off-grid cabins where people live near battery banks. Most grid-connected rooftop runs do not require halogen-free cable, but it is a safety upgrade on retrofit jobs in confined spaces.
The Ralos RC2C6T is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
Halogen-free insulation does not release toxic gases (chlorine, fluorine) if the cable catches fire. This is important for attic routing where fumes are contained, and for off-grid cabins where people live near battery banks. Most grid-connected rooftop runs do not require halogen-free cable, but it is a safety upgrade on retrofit jobs in confined spaces.
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Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Ralos |
| SKU | RC2C6T |
| Package Weight | 16.700kg |
| TYPE | VALUE |
|---|---|
| Type | Solar Cable |
| Brand | Ralos |
| Colour | Black sheath with red and black cores |
| Rated Current (A) | 70 |
| Voltage (V) | 1500 DC |
| Length (mtrs) | 100m |
| Cable size (mm) | 6mm Twin |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
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