KS C 3111_KTC21-0141 (경알루미늄선)

KS C 3104_KTC21-0140 (경동연선)

KS C 3103_KTC21-0139 (연동연선)

KS C 3102_KTC21-0138 (경동선)

KS C 3101_KTC21-0137 (연동선)