Cu (Al)Core, XLPE Insulated, PVC Sheathed flame- retardant Power Cable. Can be laid in indoor, outdoor, tunnels, cable channels, reinforced concrete pipelines and loose soil. Cable should not bear outer mechanic force, but can bear a certain tractional force. YJV22.185mm Single Core H07RN-F Cable. 185mm Single Core H07RN-F Cable is an industrial grade H07RN-F Cable designed to bebined with other Single Core Cables to replicate large ‘cores’ for industrial applications and large machinery. The size 185mm refers to the cross-sectional diameter of the core, the overall diameter of the cable is 29.7mm.