... Copper Insulation Electrical Cable with Voltage of 300/500V 2)0.5mm, 0.75mm, 1 ... .0mm RVV flexible Power cable 300/500V Nominal sectionmm2Core Structure no./diammMax. outer dia ... for power supply. Core identification: 2core blue, brown 3core green/yellow, blue, brown 4core green/yellow, black, grey ... , brown 5core green/yellow, black, blue, grey, brown Model/Size: H03VV-F/H03VVH2-F ...