Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 1 up to and including 1 kV: Sec 1 Porcelain Parts (First Revision)
Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 2- 3.6 kV bushings: Sec 1 porcelain parts (First Revision)