WIthdrawn Standards : ETD 6


S.No. IS Number IS Title Category Superseded By
1 IS 2099 : 1986 Bushings for alternating voltages above 1 000 Volts Product Specification IS/IEC 60137 : 2017
2 IS 2544 : 1973 Porcelain post insulators for systems with nominal voltage greater than 1000 V olts Product Specification IS/IEC 60168 : 2000
3 IS 3188 : 1980 Characteristics Of String Insulator Units Others IS/IEC 60471 : 1977
4 IS 3347 : Part 6 : Sec 1 : 1977 Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 6 72.5 kV bushings, Sec 1 Porcelain parts ------ ------
5 IS 3347 : Part 6 : Sec 2 : 1982 Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 6 72.5 kV bushings, Sec 2 Metal parts ------ ------
6 IS 3347 : Part 7 : Sec 1 : 1977 Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 7 123 kV bushings, Sec 1 Porcelain parts ------ ------
7 IS 3347 : Part 7 : Sec 2 : 1982 Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 7 123 kV bushings, Sec 2 Metal parts ------ ------
8 IS 5621 : 1980 Hollow insulators for use in electrical equipment Product Specification IS/IEC 62155 : 2003
9 IS/IEC 60471 : 1977 Dimensions of Clevis and Tongue Couplings of String Insulator Units Dimensions IS/IEC 60471 : 2020
10 IS 8603 : Part 1 : 1977 Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres: Part 1 12 kV and 17.5 kV bushings [Amalglamating in IS 8603:2008) ------ ------
11 IS 8603 : Part 2 : 1977 Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres: Part 2 24 kV buhsings (Amalgamating in IS 8603:2008) ------ ------
12 IS 8603 : Part 3 : 1977 Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres: Part 3 36 kV bushings (amalgamating in IS 8063:2008) ------ ------