EB CY er en kabelbetegnelse etter CSN (Czech Republic, Slovakia): C = Copper conductor; Y = PVC insulation, normal type; CY = CY: single-core solid copper wire, PVC insulation, no sheath (= H05V-U / H07V-U). 300/500 V (H05V-U) and 450/750 V (H07V-U). harmonised type H05(7)V-U (CSN 34 7409 alias).