Cite
MLA Citation
British Standards Institution,. BS IEC 62067. Power cables with extruded insulation and their accessories for rated voltages above 150 kV (Um = 170 kV) up to 500 kV (Um = 550 kV). Test methods and requirements.. London : British Standards Institution, 2020. http://access.bl.uk/ark:/81055/vdc_100108873889.0x000001