Q / GDW ICS29.240 Q/GDW 519 2010 Operating codefordistributionnetwork 2 0 1 0 - 1 0 - 2 6 2 0 1 0 - 1 0 - 2 6 Q / GDW I III 1 1 2 1 3 1 4 2 5 3 5.1 3 5.2 4 5.3 4 5.4 6 5.5 7 5.6 8 5.7 8 5.8 9 5.9 9 5.10 10 5.11 10 5.12 10 5.13 11 6 11 6.1 11 6.2 11 6.3 12 6.4 13 7 13 7.1 13 7.2 13 7.3 14 8 14 8.1 14 8.2 15 8.3 16 8.4 16 8.5 17 8.6 18 8.7 18 A 19Q / GDW II B 20 C 24 D 28 E 29 65Q / GDW III 8 A B C D E Q / GDW IVQ / GDW 1 10 20kV