The inner core of Jinfuyou cable is aluminum, which is a good conductor. The aluminum resistance is small, and the outer surface is black rubber, which is an electrical insulation material, so it will not leak electricity, and the cable quality is excellent. Compared with Jinfuyou cable, it is better.
Wire and cable are wire products used to transmit electric (magnetic) energy and information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables for short, and cables in a narrow sense refer to insulated cables.