The solar cable H1Z2Z2-K, 4mm², including solar connector in a set of two (black/red), has been specially developed for the cabling of photovoltaic systems and offers maximum reliability and durability. With its robust design and outstanding technical properties, it ensures that the PV system can be operated efficiently and safely for years to come. The H1Z2Z2-K 4mm² solar cable is the ideal choice for safe and efficient cabling of your photovoltaic system. With its high-quality construction and comprehensive protective functions, it ensures reliable power transmission and helps to maximise the energy efficiency of your system. Note on wire cross-section: The required wire cross-section depends on the current and the distance or cable length. If in doubt, please consult a solar technician to find out what wire gauge you need.