This specification applies to both three-phase and single-phase high voltage distribution lines where the normal working pressure between any conductor and earth does not exceed 6 · 6 kV, the maximum size of conductor as being set out in clause 4.
BS 1320:1946
Original price was: $264.16.$132.00Current price is: $132.00.
High-voltage overhead lines on wood poles for line voltages up to and including 11 kV, with conductors not exceeding 0.05 sq in
BSI Group , 08/21/1946
Pages: 31
