Solar cable ÖLFLEX® SOLAR XLWP 1x4 WH/BK 500 M, solar cable, 1X4, black, 5.8 mm, operating voltage (max.): 1.8 kVDC, electron beam cross-linked polymer compound, flexible, permanent underwater use up to: 1 m, halogen-free, impact resistance test according to: UL854, crushing resistance test according to: UL854, areas of application: Based on the AD8 watertightness, Solartechnik Bayern recommended in September 2018 that this product can be buried in typical, buried protective pipes/channels, PV systems with DC system voltage up to max. 1800 V, burial without protective pipe in a professionally executed cable trench with at least 50 cm of backfilled soil (70 cm under roads) over warning tape over cover plate over at least 10 cm layer of sand on the cable, which in turn is laid on at least 10 cm high sand bed,Flexible or building-integrated PV systems,For the cabling of solar modules and for connecting the module rows to the inverter, Benefits: Robust against mechanical impact,The alternative to covering with water, e.g. due to increased water levels as a result of flooding,Exact quantity control during installation thanks to meter markings on the cable sheath,An extruded color strip ensures reverse polarity protection during installation,Reduction in the spread of fire and the formation of toxic smoke gases in the event of a fire