High Voltage Transmission Line High Voltage Transmission Line’s overall structure from the inside to the outside of the components includes: conductor, insulation, inner sheath, filler (armored), outer insulation, the voltage level of 35 kilovolts or more, but more than 220 kilovolts can be regarded as ultra-high-voltage cables as well as ultra-high-voltage and so on. Get a … Continue reading High Voltage Transmission Line