Suitable for Marine Applications: Tinned 1.5mm 3 core round cable. Nominal Current Rating: 21 amps. Max. overall diameter: 5.9mm Black Sheath Core colours: Black, Green, Red Cores Manufactured to ISO 6722 : 2006 (Class B) 105ºC Tinned Copper Conductors – PVC Sheathed 70ºC Cores are printed with the cable specification. E & O E