History High Voltage Cables

Main

Invention of the lead press (1879)

1879

First H.V. cable insulated with impregnated paper (1890)

1890

The Oil filled cable (1920)

1920

First industrial 225 kV oil filled link (1936)

1936

First industrial 400 kV oil filled link (1952)

1952

First 50 kV cable with synthetic insulation (1957)

1957

First 225 kV cable with low density polyethylene insulation (1969)

1969

First 400 kV cable with low density polyethylene insulation (1986)

1986