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Create a Timeline
History High Voltage Cables
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Invention of the lead press (1879)
1879
% complete
First H.V. cable insulated with impregnated paper (1890)
1890
% complete
The Oil filled cable (1920)
1920
% complete
First industrial 225 kV oil filled link (1936)
1936
% complete
First industrial 400 kV oil filled link (1952)
1952
% complete
First 50 kV cable with synthetic insulation (1957)
1957
% complete
First 225 kV cable with low density polyethylene insulation (1969)
1969
% complete
First 400 kV cable with low density polyethylene insulation (1986)
1986
% complete
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