Programme of work

• Scope : To prepare standards regarding insulated bushing, insulators for overhead lines, insulators for sub-stations and jointing accessories which are integral parts of insulators
• Liaison :
  IEC TC 36 - Insulators - Participating (P)

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  IEC TC 36 / SC 36A - Insulated bushings - Participating (P)

SI. No.	IS No.	Title	Reaffirmation Details	No. of Amendments	Degree of Equivalence
1.	IS 10136:1982 Reviewed In : 2021	Code of practice for selection of disc insulator fittings for highest system voltages of 72.5 kV and above	July, 2021	-	Indigenous
2.	IS 10314:1982 Reviewed In : 2021	Dimensions for ceramic bushings for terminals	January, 2021	-	Modified/Technically Equivalent
3.	IS 12676:1989 Reviewed In : 2021	Oil impregnated paper insulated condenser bushings - Dimensions and requirements	July, 2021	-	Indigenous
4.	IS 13134:1992 Reviewed In : 2018 Reaffirmed but not taken up for revision	Guide for the selection of insulators in respect of polluted conditions	April, 2018	-	Modified/Technically Equivalent
5.	IS 13305:1992 Reviewed In : 2018 Reaffirmed but not taken up for revision	Permissible limits of visual defects for insulating porcelains for electrical circuits	April, 2018	-	Modified/Technically Equivalent
6.	IS 13312:1992 Reviewed In : 2018 Reaffirmed but not taken up for revision	Dimensions of porcelain oil filled transformer bushings (Rated 52 KV) for medium polluted atmospheres	April, 2018	-	Indigenous
7.	IS 1445:1977 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain insulators for overhead power lines with a nominal voltage up to and including 1 000 V (Second Revision)		5	Indigenous
8.	IS 15137:2002 Reviewed In : 2024	Metal connecting lugs for porcelain transformer bushings - Specification	August, 2024	-	Indigenous
9.	IS 16683 (Part 1):2018 IEC TS 60815-1 : 2008 Reviewed In : 2024	Selection and Dimensioning of High-Voltage Insulators Intended for Use in Polluted Conditions Part 1 Definitions, Information and General Principles	August, 2024	-	Identical under dual numbering
10.	IS 16683 (Part 2):2018 IEC TS 60815-2 : 2008 Reviewed In : 2024	Selection and Dimensioning of High-Voltage Insulators Intended for Use in Polluted Conditions Part 2 Ceramic and Glass Insulators for a.c. Systems	August, 2024	-	Identical under dual numbering
11.	IS 16683 (Part 3):2018 IEC/TS 60815-3 : 2008 Reviewed In : 2024	Selection and dimensioning of high - Voltage insulators intended for use in polluted conditions: Part 3 polymer insulators for a.c. systems	August, 2024	-	Identical under dual numbering
12.	IS 16683 (Part 4):2021 IEC TS 60815-4 : 2016	High-Voltage Insulators Intended for use in Polluted Conditions - Selection and Dimensioning Part 4 Insulators for d.c. Systems		-	Identical under dual numbering
13.	IS 16684:2018 IEC 62217 : 2012 Reviewed In : 2024	Polymeric HV Insulators for Indoor and Outdoor Use-General Definitions, Test Methods and Acceptance Criteria	August, 2024	-	Identical under dual numbering
14.	IS 16685:2018 IEC 62223 : 2009 Reviewed In : 2024	Insulators - Glossary of terms and definitions	August, 2024	-	Identical under dual numbering
15.	IS 16686:2018 IEC TR 62662 : 2010 Reviewed In : 2024	Guidance for Production, Testing and Diagnostics of Polymer Insulators with Respect to Brittle Fracture of Core Materials	August, 2024	-	Identical under dual numbering
16.	IS 16687:2018 IEC TR 62730 : 2012 Reviewed In : 2024	HV Polymeric Insulators for Indoor and Outdoor Use Tracking and Erosion Testing by Wheel Test and 5000 h Test	August, 2024	-	Identical under dual numbering
17.	IS 16784:2018 IEC 61109:2008 Reviewed In : 2024	Insulators for Overhead Lines - Composite Suspension and Tension Insulators for a.c. Systems with a Nominal Voltage Greater Than 1 000 V - Definitions, Test Methods and Acceptance Criteria	August, 2024	-	Identical under dual numbering
18.	IS 16784:2025	Insulators for Overhead Lines — Composite Suspension and Tension Insulators with a.c. Voltage Greater than 1 000 V and d.c. Voltage Greater than 1 500 V — Definitions, Test Methods and Acceptance Criteria		-	Identical under dual numbering
19.	IS 16784:2025	INSULATORS FOR OVERHEAD LINES COMPOSITE SUSPENSION AND TENSION INSULATORS WITH a.c. VOLTAGE GREATER THAN 1 000 V AND d.c. VOLTAGE GREATER THAN 1 500 V DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA (First Revision)		-	Identical under dual numbering
20.	IS 2486 (Part 1):1993 Reviewed In : 2023	Metal fittings of insulators for overhead power lines with nominal voltage greater than 1 000 V - Specification: Part 1 general requirements and tests (Second Revision)	May, 2023	-	Indigenous
21.	IS 2486 (Part 2):1989 Reviewed In : 2025	Insulator fittings for overhead power lines with nominal voltage greater than 1 000 V - Specification: Part 2 dimensional requirements (Second Revision)	July, 2025	-	Indigenous
22.	IS 2486 (Part 3):1974 Reviewed In : 2021	Specification for insulator fittings for overhead power lines with a nominal voltage greater than 1 000 volts: Part 3 locking devices	July, 2021	-	Modified/Technically Equivalent
23.	IS 2486 (Part 4):1981 Reviewed In : 2021	Specification for insulator fittings for overhead power lines with a nominal voltage greater than 1 000 V: Part 4 tests for locking devices	July, 2021	-	Modified/Technically Equivalent
24.	IS 3347 (Part 1/Sec 1):1979 Reviewed In : 2025	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)	May, 2025	1	Modified/Technically Equivalent
25.	IS 3347 (Part 1/Sec 2):1979 Reviewed In : 2024	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 1 up to and including 1 kV: Sec 2 metal parts (First Revision)	January, 2024	3	Modified/Technically Equivalent
26.	IS 3347 (Part 2/Sec 1):1979 Reviewed In : 2024	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)	January, 2024	1	Modified/Technically Equivalent
27.	IS 3347 (Part 2/Sec 2):1979 Reviewed In : 2024	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 2- 3.6 kV bushings: Sec 2 metal parts (First Revision)	May, 2024	3	Modified/Technically Equivalent
28.	IS 3347 (Part 3/Sec 1):1988 Reviewed In : 2023	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 3 -17.5 kV bushings: Sec 1 porcelain parts (Second Revision)	February, 2023	-	Modified/Technically Equivalent
29.	IS 3347 (Part 3/Sec 2):1982 Reviewed In : 2022	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 3- 12 and 17.5 kV bushings: Sec 2 metal parts (First Revision)	May, 2022	2	Modified/Technically Equivalent
30.	IS 3347 (Part 4/Sec 1):1988 Reviewed In : 2023	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 4- 24 kV bushings: Sec 1 porcelain parts (Second Revision)	February, 2023	1	Indigenous
31.	IS 3347 (Part 4/Sec 2):1982 Reviewed In : 2022	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 4 -24 kV bushings: Sec 2 metal parts (First Revision)	July, 2022	3	Modified/Technically Equivalent
32.	IS 3347 (Part 5/Sec 1):1979 Reviewed In : 2024	Dimension for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 5 - 36 kV bushings: Sec 1 porcelain parts (Second Revision)	June, 2024	1	Modified/Technically Equivalent
33.	IS 3347 (Part 5/Sec 2):1979 Reviewed In : 2024	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 5 -36 kV bushings: Sec 2 metal parts (First Revision)	October, 2024	2	Indigenous
34.	IS 3347 (Part 8/Sec 1):1988 Reviewed In : 2023	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 8- 52 kV bushings: Sec 1 porcelain part	April, 2023	-	Modified/Technically Equivalent
35.	IS 3347 (Part 8/Sec 2):1992 Reviewed In : 2022	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 8 : 52 kV bushings: Sec 2 metal parts	March, 2022	-	Indigenous
36.	IS 4257 (Part 1):1981 Reviewed In : 2019 Reaffirmed but not taken up for revision	Dimensions for clamping arrangements for porcelain transformer bushings: Part 1 for 12 kV to 52 kV bushings (First Revision)		1	Modified/Technically Equivalent
37.	IS 4257 (Part 2):1986 Reviewed In : 2019	Dimensions for clamping arrangements for porcelain transformer bushings: Part 2 for 72.5 kV and 123 kV bushings		-	Modified/Technically Equivalent
38.	IS 4318:1993 Reviewed In : 2018	Solid core porcelain insulators for overhead traction lines - Specification (First Revision)	April, 2018	-	Indigenous
39.	IS 5300:1969 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain guy strain insulators		1	Modified/Technically Equivalent
40.	IS 5350 (Part 1):1970 Reviewed In : 2019	Dimensions of indoor and outdoor porcelain post insulators and post insulator units for systems with nominal voltages greater than 1 000 V: Part 1 indoor post insulators		2	Indigenous
41.	IS 5350 (Part 2):1973 Reviewed In : 2019	Dimensions of indoor and outdoor porcelain post insulators and post insulator units for systems with nominal voltage greater than 1 000 V: Part 2 outdoor cylindrical post insulators (First Revision)		-	Modified/Technically Equivalent
42.	IS 5350 (Part 3):1971 Reviewed In : 2019	Dimensions of indoor and outdoor porcelain post insulators and post insulator units for systems with nominal voltages greater than 1 000 V: Part 3 outdoor pedestal post insulators		3	Modified/Technically Equivalent
43.	IS/IEC 60120:2020	Ball and socket couplings of string insulator units - Dimensions		-	Identical under single numbering
44.	IS/IEC 60137:2017 Reviewed In : 2024	Insulated Bushings for Alternating Voltages above 1 000 V	August, 2024	-	Identical under single numbering
45.	IS/IEC 60168:2000 IEC 60168 : 2001 Reviewed In : 2024	Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1 000 V	August, 2024	-	Identical under single numbering
46.	IS/IEC 60273:1990	Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1 000 V		-	Identical under single numbering
47.	IS/IEC 60305:2021	Insulators for Overhead Lines with a Nominal Voltage Above 1 000 V - Ceramic or Glass Insulator Units for a.c. Systems - Characteristics of Insulator Units of the Cap and Pin Type ( First Revision )		-	Identical under single numbering
48.	IS/IEC 60372:2020	Locking devices for ball and socket couplings of string insulators units - Dimensions and tests (First Revision)		-	Identical under single numbering
49.	IS/IEC 60383-1:2023	Insulators for Overhead Lines with a Nominal Voltage above 1 000 V Part 1 Ceramic or Glass Insulator Units for a.c Systems - Definitions, Test Methods and Acceptance Criteria (First Revision)		-	Identical under single numbering
50.	IS/IEC 60383-2:1993	Insulators for Overhead Lines with a Nominal Voltage Above 1 000 V: Part 2 Insulator Strings and Insulator Sets for a.c. Systems - Definitions, Test Methods and Acceptance Criteria		-	Identical under single numbering
51.	IS/IEC 60433:2021	Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic insulators for ac systems - Characteristics of insulator units of the long rod type		-	Identical under single numbering
52.	IS/IEC 60471:2020	Clevis and Tongue Couplings of String Insulator Units - Dimensions (First Revision)		-	Identical under single numbering
53.	IS/IEC/TR 60575:1977	Thermal-mechanical performance test and mechanical performance test on string insulator units		-	Identical under single numbering
54.	IS/IEC 60720:1981	Line Post Insulators - Characteristics		-	Identical under single numbering
55.	IS/IEC 61211:2004 Reviewed In : 2024	Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air	August, 2024	-	Identical under single numbering
56.	IS/IEC TS 61245:2015 Reviewed In : 2024	Artificial pollution tests on high - Voltage ceramic and glass insulators to be used on d.c. systems	August, 2024	1	Identical under single numbering
57.	IS/IEC 61325:1995	Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic or glass insulator units for dc systems - Definitions test methods and acceptance criteria		-	Identical under single numbering
58.	IS/IEC 61462:2023 IEC 61462: 2023	Composite Hollow Insulators - Pressurized and Unpressurized Insulators For Use in Electrical Equipment with a.c Rated Voltage Greater than 1 000 V and d.c Voltage Greater than 1 500 V - Definitions, Test Methods, Acceptance Criteria and Design Recommendations ( First Revision )		-	Identical under single numbering
59.	IS/IEC TS 61463:2016 Reviewed In : 2024	Bushings - Seismic qualification	August, 2024	-	Identical under single numbering
60.	IS/IEC TS 62073:2016 Reviewed In : 2024	Guidance on the Measurement of Hydrophobicity of Insulator Surfaces	August, 2024	-	Identical under single numbering
61.	IS/IEC 62155:2003 Reviewed In : 2024	Hollow Pressurized and Unpressurized Ceramic and Glass Insulators for Use in Electrical Equipment with Rated Voltages Greater Than 1 000 V	August, 2024	-	Identical under single numbering
62.	IS/IEC TS 62371:2008 Reviewed In : 2024	Characteristics of hollow pressurised and unpressurised ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V	August, 2024	-	Identical under single numbering
63.	IS/IEC 62896:2024	HYBRID INSULATORS FOR ac AND dc FOR HIGH-VOLTAGE APPLICATIONS GREATER THAN 1 000 V ac AND 1 500 V dc DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA First Revision		-	Identical under single numbering
64.	IS/IEC TS 62896:2015	Hybrid insulators for ac and dc for high-voltage applications - Definitions test methods and acceptance criteria		-	Identical under single numbering
65.	IS/IEC/IEEE 65700-19-3:2014 Reviewed In : 2024	Bushing for DC Application	August, 2024	-	Identical under single numbering
66.	IS 731:1971 Reviewed In : 2021	Specification for procelain insulators for overhead power lines with a nominal voltage greater than 1 000 V (Second Revision)	June, 2021	7	Modified/Technically Equivalent
67.	IS 7421:1988 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain bushings for alternating voltages upto and including 1 000 V (First Revision)		-	Indigenous
68.	IS 7648:1975 Reviewed In : 2019	Specification for silicone compounds for application on high voltage porcelain insulators		-	Indigenous
69.	IS 7935:1975 Reviewed In : 2021	Specification for insulator fittings for overhead power lines with a nominal voltage up to and including 1 000 V	July, 2021	3	Indigenous
70.	IS 8263:2024 IEC 60437 : 2023	Radio Interference Test on High-Voltage Insulators (Second Revision)		-	Identical under dual numbering
71.	IS 8269:1976 Reviewed In : 2019	Methods for switching impulse tests on high voltage insulators	April, 2019	-	Modified/Technically Equivalent
72.	IS 8603:2008 Reviewed In : 2024	Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres 12/17.5 kV, 24 kV and 36 kV (First Revision)	August, 2024	1	Indigenous
73.	IS 8603 (Part 4):2003 Reviewed In : 2024	Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres: Part 4 : 52 kV bushings	August, 2024	-	Indigenous
74.	IS 8704:2018 IEC 60507 : 2013 Reviewed In : 2024	Artificial pollution test on highVoltage ceramic and glass insulators to be used on a.c. systems (Second Revision)	August, 2024	-	Identical under dual numbering
75.	IS 8765:1978 Reviewed In : 2019	Specification for ceramic insulating materials for electrical purposes	April, 2019	1	Modified/Technically Equivalent
76.	IS 9431:2024 IEC 60660 :1999	Indoor Post Insulators of Organic Material for Systems with Nominal Voltages Greater Than 1 000 V up to and Including 300 kV - Specification (First Revision)		-	Identical under dual numbering
77.	IS/IEEE Std1523™:2018	Guide for the Application Maintenance and Evaluation of Room Temperature Vulcanizing RTV Silicone Rubber Insulator Coatings		-	Identical under single numbering

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SI. No.	Doc No	TITLE
1	ETD 6 (28205)	APPLICATION OF POWER APPARATUS BUSHINGS - GUIDE
2	ETD 6 (32858)	CONDENSER BUSHINGS - DIMENSIONS AND REQUIREMENTS OF AIR TO OIL TYPE BUSHINGS WITH OIP OIL IMPREGNATED PAPER OR RIP RESIN IMPREGNATED PAPER OR RIS RESIN IMPREGNATED SYNTHETICS INSULATION SYSTEMS First Revision

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SI. No.	Doc No	TITLE
1	ETD 6 (06811)	Radio Interference test on High Voltage Insulators
2	ETD 6 (06812)	ARTIFICIAL POLLUTION TESTS ON HIGH-VOLTAGE CERAMIC AND GLASS INSULATORS TO BE USED ON A C SYSTEMS
3	ETD 6 (06813)	SELECTION AND DIMENSIONING OF HIGH-VOLTAGE INSULATORS INTENDED FOR USE INPOLLUTED CONDITIONS PART 1 DEFINITIONS INFORMATION AND GENERAL PRINCIPLES
4	ETD 6 (06814)	SELECTION AND DIMENSIONING OF HIGH-VOLTAGE INSULATORS INTENDED FOR USE IN POLLUTED CONDITIONS PART 2 CERAMIC AND GLASS INSULATORS FOR A C SYSTEMS
5	ETD 6 (06815)	SELECTION AND DIMENSIONING OF HIGH-VOLTAGE INSULATORS INTENDED FOR USE IN POLLUTED CONDITIONS PART 3 POLYMER INSULATORS FOR A C SYSTEMS
6	ETD 6 (06817)	POLYMERIC HV INSULATORS FOR INDOOR AND OUTDOOR USE GENERAL DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA
7	ETD 6 (06818)	INSULATORS GLOSSARY OF TERMS AND DEFINITIONS
8	ETD 6 (06820)	GUIDANCE FOR PRODUCTION TESTING AND DIAGNOSTICS OF POLYMER INSULATORS WITH RESPECT TO BRITTLE FRACTURE OF CORE MATERIALS
9	ETD 6 (06821)	HV POLYMERIC INSULATORS FOR INDOOR AND OUTDOOR USE TRACKING AND EROSION TESTING BY WHEEL TEST AND 5 000H TEST
10	ETD 6 (06822)	Bushings for DC application
11	ETD 6 (06903)	Insulators for overhead lines - Composite and tension insulators for a c system with a nominal voltage greater than 1 000 V - Definitions test methods and acceptance criteria
12	ETD 6 (11162) Revision of: IS 2099:1986	Insulated bushings for alternating voltages above 1 000 V
13	ETD 6 (11163) Revision of: IS 2544:1973	Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1 000 V
14	ETD 6 (11165)	Insulators for overhead lines with a nominal voltage above 1 000 V Ceramic or glass insulator units for ac systems Characteristics of insulator units of the cap and pin type
15	ETD 6 (11166)	Insulators for overhead lines with a nominal voltage above 1 000 V Part 1 Ceramic or glass insulator units for ac systems Definitions test methods and acceptance criteria
16	ETD 6 (11167)	Insulators for overhead lines with a nominal voltage above 1 000 V Part 2 Insulator strings and insulator sets for ac systems Definitions test methods and acceptance criteria
17	ETD 6 (11168)	Dimensions of clevis and tongue couplings of string insulator units
18	ETD 6 (11170) Revision of: IS 5350:1971	Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1000 V
19	ETD 6 (11172) Revision of: IS 5621:1980	Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V
20	ETD 6 (11310)	Guide for the Application Maintenance and Evaluation of Room Temperature Vulcanizing RTV Silicone Rubber Insulator Coatings
21	ETD 6 (13097)	Artificial pollution Tests on High-Voltage Ceramic and Glass Insulators to be Used on DC Systems
22	ETD 6 (13098)	Guidance on the measurement of hydrophobicity of insulator surfaces
23	ETD 6 (17473) Revision of: IS 9431:1979	Indoor Post Insulators of Organic Material for Systems with Nominal Voltages Greater Than 1000 V UP to and Including 300 kV - Specification First Revision
24	ETD 6 (17475) Revision of: IS/IEC 60372:1984	Locking devices for ball and socket couplings of string insulators units - Dimensions and tests First Revision
25	ETD 6 (17477) Revision of: IS/IEC 60471:1977	Clevis and Tongue Couplings of String Insulator Units Dimensions First Revision
26	ETD 6 (17478)	Artificial pollution tests on high - Voltage ceramic and glass insulators to be used on d c systems Amendment - 1
27	ETD 6 (17551)	Ball and socket couplings of string insulator units - Dimensions
28	ETD 6 (17553) Revision of: IS/IEC 60305:1995	Insulators for overhead lines with a nominal voltage above 1000 V - Ceramic or glass insulator units for ac systems - Characteristics of insulator units of the cap and pin type
29	ETD 6 (17554)	Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic insulators for ac systems - Characteristics of insulator units of the long rod type
30	ETD 6 (17556)	Line Post Insulators Characteristics
31	ETD 6 (17557)	Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V - Impulse puncture testing in air
32	ETD 6 (17558)	Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic or glass insulator units for dc systems - Definitions test methods and acceptance criteria
33	ETD 6 (17559)	Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions test methods acceptance criteria and design recommendations
34	ETD 6 (18026)	Thermal-mechanical performance test and mechanical performance test on string insulator units
35	ETD 6 (18031)	Bushings - Seismic qualification
36	ETD 6 (18032)	Hybrid insulators for ac and dc for high-voltage applications - Definitions test methods and acceptance criteria
37	ETD 6 (18042)	Characteristics of hollow pressurised and unpressurised ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V
38	ETD 6 (18043)	High-Voltage Insulators Intended for use in Polluted Conditions Selection and Dimensioning Part 4 Insulators for d c Systems
39	ETD 6 (22898)	Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres 12 17 5 kV 24 kV and 36 kV First Revision Amendment - 1
40	ETD 6 (24610) Revision of: IS/IEC 60383:1993	Insulators for Overhead Lines with a Nominal Voltage above 1 000 V Part 1 Ceramic or Glass Insulator Units for a c Systems - Definitions Test Methods and Acceptance Criteria First Revision
41	ETD 6 (24611) Revision of: IS/IEC 61462:2007	Composite Hollow Insulators - Pressurized and Unpressurized Insulators For Use in Electrical Equipment with a c Rated Voltage Greater than 1 000 V and d c Voltage Greater than 1 500 V - Definitions Test Methods Acceptance Criteria and Design Recommendations First Revision
42	ETD 6 (25767) Revision of: IS 8263:2018	Radio Interference Test on High-Voltage Insulators Second Revision
43	ETD 6 (28207) Revision of: IS 16784:2018	INSULATORS FOR OVERHEAD LINES COMPOSITE SUSPENSION AND TENSION INSULATORS WITH a c VOLTAGE GREATER THAN 1 000 V AND d c VOLTAGE GREATER THAN 1 500 V DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA First Revision
44	ETD 6 (28208) Revision of: IS/IEC TS 62896:2015	HYBRID INSULATORS FOR ac AND dc FOR HIGH-VOLTAGE APPLICATIONS GREATER THAN 1 000 V ac AND 1 500 V dc DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA First Revision

Product:   26  Code of Practices :    4  Methods of Test :   13  Terminology :   0  Dimensions :   27  System Standard :   0  Safety Standard :   0  Others :    3  Service Specification :    0  Process Specification :    0  Unclassified :    0

SI. No.	IS No.	Title
1.	IS 1441:1989 Reviewed In : 2019	Insulator stalks for telegraph and telephone lines - Specification Second Revision
2.	IS 2099:1986 Reviewed In : 2018	Bushings for alternating voltages above 1 000 Volts
3.	IS 2544:1973 Reviewed In : 2016	Porcelain post insulators for systems with nominal voltage greater than 1000 V olts
4.	IS 283:1976 Reviewed In : 2021	Specification for porcelain insulators for telegraph and telephone lines Third Revision
5.	IS 3188:1980 Reviewed In : 2014	Characteristics Of String Insulator Units
6.	IS 3347 (Part 6/Sec 1):1977 Reviewed In : 1989	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres Part 6 72 5 kV bushings Sec 1 Porcelain parts
7.	IS 3347 (Part 6/Sec 2):1982 Reviewed In : 1988	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres Part 6 72 5 kV bushings Sec 2 Metal parts
8.	IS 3347 (Part 7/Sec 1):1977 Reviewed In : 1989	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres Part 7 123 kV bushings Sec 1 Porcelain parts
9.	IS 3347 (Part 7/Sec 2):1982 Reviewed In : 1988	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres Part 7 123 kV bushings Sec 2 Metal parts
10.	IS 5621:1980 Reviewed In : 2014	Hollow insulators for use in electrical equipment
11.	IS 8603 (Part 1):1977 Reviewed In : 2001	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
12.	IS 8603 (Part 2):1977 Reviewed In : 2001	Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres Part 2 24 kV buhsings Amalgamating in IS 8603 2008
13.	IS 8603 (Part 3):1977 Reviewed In : 2001	Dimensions for porcelain transformer bushings for use in heavily polluted atmospheres Part 3 36 kV bushings amalgamating in IS 8063 2008

SI. No.	IS No. & Year	Title
1.	IS 1445:1977 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain insulators for overhead power lines with a nominal voltage up to and including 1 000 V Second Revision
2.	IS 15137:2002 Reviewed In : 2024	Metal connecting lugs for porcelain transformer bushings - Specification
3.	IS 16684:2018 IEC 62217 : 2012 Reviewed In : 2024	Polymeric HV Insulators for Indoor and Outdoor Use-General Definitions Test Methods and Acceptance Criteria
4.	IS 2486 (Part 2):1989 Reviewed In : 2025	Insulator fittings for overhead power lines with nominal voltage greater than 1 000 V - Specification Part 2 dimensional requirements Second Revision
5.	IS 2486 (Part 3):1974 Reviewed In : 2021	Specification for insulator fittings for overhead power lines with a nominal voltage greater than 1 000 volts Part 3 locking devices
6.	IS 4318:1993 Reviewed In : 2018	Solid core porcelain insulators for overhead traction lines - Specification First Revision
7.	IS 5300:1969 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain guy strain insulators
8.	IS/IEC 60137:2017 Reviewed In : 2024	Insulated Bushings for Alternating Voltages above 1 000 V
9.	IS/IEC 60273:1990	Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1 000 V
10.	IS/IEC 60305:2021	Insulators for Overhead Lines with a Nominal Voltage Above 1 000 V - Ceramic or Glass Insulator Units for a c Systems - Characteristics of Insulator Units of the Cap and Pin Type First Revision
11.	IS/IEC 60372:2020	Locking devices for ball and socket couplings of string insulators units - Dimensions and tests First Revision
12.	IS/IEC 60383-1:2023	Insulators for Overhead Lines with a Nominal Voltage above 1 000 V Part 1 Ceramic or Glass Insulator Units for a c Systems - Definitions Test Methods and Acceptance Criteria First Revision
13.	IS/IEC 60383-2:1993	Insulators for Overhead Lines with a Nominal Voltage Above 1 000 V Part 2 Insulator Strings and Insulator Sets for a c Systems - Definitions Test Methods and Acceptance Criteria
14.	IS/IEC 60433:2021	Insulators for overhead lines with a nominal voltage above 1 000 V - Ceramic insulators for ac systems - Characteristics of insulator units of the long rod type
15.	IS/IEC 60720:1981	Line Post Insulators - Characteristics
16.	IS/IEC 61462:2023 IEC 61462: 2023	Composite Hollow Insulators - Pressurized and Unpressurized Insulators For Use in Electrical Equipment with a c Rated Voltage Greater than 1 000 V and d c Voltage Greater than 1 500 V - Definitions Test Methods Acceptance Criteria and Design Recommendations First Revision
17.	IS/IEC 62155:2003 Reviewed In : 2024	Hollow Pressurized and Unpressurized Ceramic and Glass Insulators for Use in Electrical Equipment with Rated Voltages Greater Than 1 000 V
18.	IS/IEC TS 62371:2008 Reviewed In : 2024	Characteristics of hollow pressurised and unpressurised ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V
19.	IS/IEC 62896:2024	HYBRID INSULATORS FOR ac AND dc FOR HIGH-VOLTAGE APPLICATIONS GREATER THAN 1 000 V ac AND 1 500 V dc DEFINITIONS TEST METHODS AND ACCEPTANCE CRITERIA First Revision
20.	IS/IEC/IEEE 65700-19-3:2014 Reviewed In : 2024	Bushing for DC Application
21.	IS 731:1971 Reviewed In : 2021	Specification for procelain insulators for overhead power lines with a nominal voltage greater than 1 000 V Second Revision
22.	IS 7421:1988 Reviewed In : 2019 Reaffirmed but not taken up for revision	Specification for porcelain bushings for alternating voltages upto and including 1 000 V First Revision
23.	IS 7648:1975 Reviewed In : 2019	Specification for silicone compounds for application on high voltage porcelain insulators
24.	IS 7935:1975 Reviewed In : 2021	Specification for insulator fittings for overhead power lines with a nominal voltage up to and including 1 000 V
25.	IS 8765:1978 Reviewed In : 2019	Specification for ceramic insulating materials for electrical purposes
26.	IS 9431:2024 IEC 60660 :1999	Indoor Post Insulators of Organic Material for Systems with Nominal Voltages Greater Than 1 000 V up to and Including 300 kV - Specification First Revision