https://products.lappgroup.com/online-catalogue/power-and-control-cables/control-cabinet-single-cores/various-applications/x05v-k-with-twin-colour-helix-insulation.html
X05V-K PVC single core, class 5, twin colour helix insulation, spool
X05V-K, power and control cable for internal wiring, PVC, 300/500 V, class 5, twin colour helix insulation, flame-retardant, spool
single core