BS 11/30214077 DC
BS 11/30214077 DC
BS 7870-4.20. LV and MV polymeric insulated cables for use by distribution and generation utilities. Part 4. Specification for distribution cables with extruded insulation for rated voltages of 11 kV to 33 kV. Section 4.20. Three-core 11 kV cables
standard published 07/15/2011 by British Standards Institution