With 5 core cable, your cable has 5 separately insulated conductors, all wrapped up in a protective plastic jacket. Such wires are great for heavy duty electrical projects like lighting; ALEKO brand 5 core cable is perfect to hook up our gate openers to accessories like keypads, photocells, alarms, or more. The cable is PVC insulated and jacketed to provide the ultimate in flame and weather protection, and the maximum voltage of up to 300 volts will keep your electrical equipment running smoothly. Product specifications: 5 conductor strand: 2 16 gauge conductors and 3 18 gauge; 40 feet of cable; Color: Black.