... )0.5mm, 0.75mm, 1.0mm RVV flexible Power cable 300/500V Nominal sectionmm2Core Structure no./diammMax. outer dia(mm ... Core identification: 2core blue, brown 3core green/yellow, blue, brown 4core green/yellow, black, grey, brown 5core green/yellow, black, blue ... Telecom. We are speciliazing in the production of copper cable, optical fiber cable and related communication equipment. My company has a ...