Programme of work

BUREAU OF INDIAN STANDARDS

Electrotechnical Department

Programme of Work

ETD1 : Basic Electrotechnical Standards

Scope : To prepare standards of general and common nature in the field of electrotechnology, such as voltages, current ratings and frequency, power quality, quantities and units, nomenclature, graphical symbols, basic marking and general requirements for enclosures of equipment
Liaison :

IEC TC 1 - Terminology - Observer (O)
IEC TC 25 - Quantities and units - Observer (O)
IEC TC 3 - Documentation, graphical symbols and representations of technical information - Observer (O)
IEC TC 3 / SC 3C - Graphical symbols for use on equipment - Observer (O)
IEC TC 70 - Degrees of protection provided by enclosures - Participating (P)
IEC TC 8 - System aspects of electrical energy supply - Participating (P)
IEC TC 08/WG 11 - Power Quality - Participating (P)

Published Standards

SI. No.	IS No.	Title	Reaffirmation Details	No. of Amendments	Degree of Equivalence
1.	IS 10381:1982 Reviewed In : 2025	Terms (and their hindi equivalents) commonly used for name - Plates and similar data of electrical power equipment	January, 2025	-	Indigenous
2.	IS 10580:1983 Reviewed In : 2025	Service conditions for electrical equipment	January, 2025	-	Indigenous
3.	IS 11353:2023 IEC 60445 : 2021	Basic and Safety Principles for Man-Machine Interface Marking and Identification - Identification of Equipment Terminals Conductor Terminations and Conductors (First Revision)		-	Identical under dual numbering
4.	IS 11354:2023 IEC 60152 : 2021	Designation of phase differences by hour numbers in three-phase AC systems (First Revision)		-	Identical under dual numbering
5.	IS 11954:2023	Colour Coding of Electrical Mimic Diagrams ï¿½ Guide ( First Revision )		-	Indigenous
6.	IS 11955:1987 Reviewed In : 2025	Preferred current ratings	January, 2025	-	Modified/Technically Equivalent
7.	IS 12360:1988 IEC 60038 Reviewed In : 2025	Voltage bands for electrical installations including preferred voltages and frequency	July, 2025	4	Identical under dual numbering
8.	IS 17036:2018	Distribution System Supply Voltage Quality		-	Indigenous
9.	IS 17050:2023 IEC 62262: 2021 (Ed 1.1)	Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts IK Code		-	Identical under dual numbering
10.	IS 18475:2023	Power Quality Measurement Monitoring Methods		-	Indigenous
11.	IS 1885 (Part 1):1961 Reviewed In : 2025	Electrotechnical vocabulary: Part 1 fundamental definitions	January, 2025	2	Modified/Technically Equivalent
12.	IS 1885 (Part 9/Sec 1):2019 IEC 60050-444 : 2002 Reviewed In : 2025	Electrotechnical Vocabulary Part 9 Relays Section 1 Elementary relays ( Third Revision )	January, 2025	-	Identical under single numbering
13.	IS 1885 (Part 9/Sec 2):2019 IEC 60050-445 : 2010 Reviewed In : 2025	Electrotechnical Vocabulary Part 9 Relays Section 2 Time relays ( Third Revision )	January, 2025	-	Identical under dual numbering
14.	IS 1885 (Part 9/Sec 3):2019 IEC 60050-447 : 2010 Reviewed In : 2025	Electrotechnical Vocabulary Part 9 Relays Section 3 Measuring relays ( Third Revision )	January, 2025	-	Identical under dual numbering
15.	IS 1885 (Part 10):2008 Reviewed In : 2025	Electrotechnical vocabulary: Part 10 power system protection (Second Revision)	July, 2025	-	Identical under dual numbering
16.	IS 1885 (Part 14):2023 IEC 60050-395: 2014	ELECTROTECHNICAL VOCABULARY PART 14 NUCLEAR POWER PLANTS		-	Identical under dual numbering
17.	IS 1885 (Part 15):2008 IEC 60050-482 : 2004 Reviewed In : 2025	Electrotechnical vocabulary: Part 15 primary and secondary cells and batteries (Second Revision)	January, 2025	-	Identical under dual numbering
18.	IS 1885 (Part 16):2023 IEC 60050-845: 2020	ELECTROTECHNICAL VOCABULARY PART 16: LIGHTING		-	Identical under dual numbering
19.	IS 1885 (Part 17):2024 IEC 60050-441: 1984	Electrotechnical Vocabulary Part 17 Switchgear and Control Gear (Second Revision)		-	Identical under dual numbering
20.	IS 1885 (Part 27):2008 IEC 60050-551:1998 Reviewed In : 2025	Electrotechnical vocabulary: Part 27 power electronics (Third Revision)	January, 2025	-	Identical under dual numbering
21.	IS 1885 (Part 28):1993 IEC Pub 50 ( 321) : 1986 Reviewed In : 2022	Electrotechnical vocabulary: Part 28 instrument transformers (First Revision)	November, 2022	-	Identical under dual numbering
22.	IS 1885 (Part 29):1971 Reviewed In : 2025	Electrotechnical vocabulary: Part 29 mining terms	January, 2025	-	Modified/Technically Equivalent
23.	IS 1885 (Part 30):2023 IEC 60050-601: 1985	ELECTROTECHNICAL VOCABULARY: PART 30 OVERHEAD TRANSMISSION AND DISTRIBUTION OF ELECTRICAL ENERGY		-	Identical under dual numbering
24.	IS 1885 (Part 32):2019 IEC 60050-461 : 2008 Reviewed In : 2019	Electrotechnical Vocabulary Part 32 Electric Cables ( Second Revision )	-	-	Identical under dual numbering
25.	IS 1885 (Part 34):2023	ELECTROTECHNICAL VOCABULARY PART 34 CINEMATOGRAPHY (First Revision)		-	Indigenous
26.	IS 1885 (Part 35):2021 IEC 60050: 411 Reviewed In : 2022	Electrotechnical Vocabulary: Part 35 Rotating Machinery ( Second Revision )	November, 2022	-	Identical under dual numbering
27.	IS 1885 (Part 37):1993 IEC Pub 50 ( 691) : 1973 Reviewed In : 2019	Electrotechnical vocabulary: Part 37 tariffs for electricity (First Revision)	March, 2019	-	Identical under dual numbering
28.	IS 1885 (Part 38):1993 IEC Pub 50 ( 421 ) : 1990 Reviewed In : 2025	Electrotechnical vocabulary: Part 38 power transformers and reactors (Second Revision)	January, 2025	-	Identical under dual numbering
29.	IS 1885 (Part 42):1993 IEC Pub 60 (436 ) ( 1990 ) Reviewed In : 2025	Electrotechnical vocabulary: Part 42 Power Capacitors	January, 2025	-	Identical under dual numbering
30.	IS 1885 (Part 51):2012 IEC 60050-841 : 2004 Reviewed In : 2025	Electrotechnical vocabulary: Part 51 industrial electroheat (Second Revision)	January, 2025	-	Identical under dual numbering
31.	IS 1885 (Part 53):1980 Reviewed In : 2025	Electrotechnical vocabulary: Part 53 mica	January, 2025	-	Modified/Technically Equivalent
32.	IS 1885:2021 IEC 60050: 471 Reviewed In : 2025	Electrotechnical Vocabulary: Part 54 Insulators	January, 2025	-	Identical under dual numbering
33.	IS 1885 (Part 55):1981 Reviewed In : 2025	Electrotechnical vocabulary: Part 55 electric fans	January, 2025	-	Indigenous
34.	IS 1885 (Part 57):2008 IEC 60050-131 :2002 Reviewed In : 2025	Electrotechnical vocabulary: Part 57 circuit theory (Second Revision)	January, 2025	-	Identical under dual numbering
35.	IS 1885 (Part 60):2022 IEC 60050: 426	Electrotechnical Vocabulary: Part 60 Equipment for Explosive Atmospheres (Second Revision)		-	Identical under dual numbering
36.	IS 1885 (Part 61):1985 Reviewed In : 2017	Electrotechnical vocabulary: Part 61 nuclear medical instruments	July, 2017	-	Modified/Technically Equivalent
37.	IS 1885:2021 IEC 60050: 212	Electrotechnical Vocabulary: Part 62 Electrical Insulating Solids Liquids and Gases ( Second Revision )		-	Identical under dual numbering
38.	IS 1885 (Part 69):1993 IEC Pub 50 ( 602 ) : 1983 Reviewed In : 2025	Electrotechnical vocabulary: Part 69 generation, transmission and distribution of electricity - Generation	January, 2025	-	Identical under dual numbering
39.	IS 1885 (Part 70):2023 IEC 60050-614 : 2016	Electrotechnical Vocabulary Part 70: Generation Transmission and Distribution of Electricity Operation (First Revision)		-	Identical under dual numbering
40.	IS 1885 (Part 71):1993 IEC Pub 50( 605) : 1983 Reviewed In : 2025	Electrotechnical vocabulary: Part 71 generation, transmission and distribution of electricity - Substations	January, 2025	-	Identical under dual numbering
41.	IS 1885 (Part 72):2021 60050-103: 2009	Electrotechnical Vocabulary - Part 72 : Mathematics Functions (Second Revision)		-	Identical under dual numbering
42.	IS 1885 (Part 73):2021 60050-113: 2011	Electrotechnical Vocabulary Part 73 : Physics for Electrotechnology (Second Revision)		-	Identical under dual numbering
43.	IS 1885 (Part 74):2012 IEC 60050-151 : 2001 Reviewed In : 2025	Electrotechnical vocabulary: Part 74 electrical and magnetic devices (First Revision)	January, 2025	-	Identical under dual numbering
44.	IS 1885 (Part 75):2021 60050-351: 2013	Electrotechnical Vocabulary Part 75 : Control Technology (Second Revision)		-	Identical under dual numbering
45.	IS 1885 (Part 76):1993 IEC Pub 50 (431) (1980 ) Reviewed In : 2022	Electrotechnical vocabulary: Part 76 transductors	December, 2022	-	Identical under dual numbering
46.	IS 1885 (Part 77):1993 IEC Pub 50 (466 ) : 1990 Reviewed In : 2022	Electrotechnical vocabulary: Part 77 overhead lines	December, 2022	-	Identical under dual numbering
47.	IS 1885 (Part 78):1993 IEC Pub 50 ( 601) : 1985 Reviewed In : 2022	Electrotechnical vocabulary: Part 78 generation, transmission and distribution of electricity - General	December, 2022	-	Identical under dual numbering
48.	IS 1885 (Part 79):1993 IEC Pub 60 ( 603 ) :1986 Reviewed In : 2022	Electrotechnical vocabulary: Part 79 generation, transmission and distribution of electricity - Power system planning and management	December, 2022	-	Identical under dual numbering
49.	IS 1885 (Part 80):1994 IEC Pub 50 ( 301) : 1983 Reviewed In : 2019	Electrotechnical vocabulary: Part 80 general terms on measurements in electricity	March, 2019	-	Identical under dual numbering
50.	IS 1885 (Part 81):1993 IEC Pub 50 (302) : 1983 Reviewed In : 2019	Electrotechnical vocabulary: Part 81 electrical measuring instruments	March, 2019	-	Identical under dual numbering
51.	IS 1885 (Part 300):2017 IEC 60050-300 : 2001 (Including Parts 311 to 314) Reviewed In : 2025	Electrotechnical vocabulary: Part 300 electrical and electronic measurements and measuring instruments: Part 311 general terms relating to measurements: Part 312 general terms relating to electrical measurements: Part 313 types of electrical measuring instruments: Part 314 specific terms according to the type of instrument	January, 2025	-	Identical under dual numbering
52.	IS 19127:2025 IEC 60617: 2024	Graphical Symbols for Diagrams in the field of Electrotechnology		-	Identical under dual numbering
53.	IS 2032 (Part 15):1976 Reviewed In : 2025	Graphical symbols used in electrotechnology: Part 15 aircraft electrical symbols	January, 2025	-	Modified/Technically Equivalent
54.	IS 2032 (Part 19):2023 IEC TR 60878 : 2015	Graphical symbols used in electrotechnology: Part 19 electrical equipment in medical practice (First Revision)		-	Identical under dual numbering
55.	IS 2032 (Part 25):1980 Reviewed In : 2019	Graphical symbols used in electrotechnology: Part 25 electrical installations in ships	March, 2019	-	Modified/Technically Equivalent
56.	IS 3599:1966 Reviewed In : 2025	Method of measurement of cooling medium temperature for electrical apparatus	January, 2025	-	Modified/Technically Equivalent
57.	IS 3722 (Part 1):2023 IEC 60027-1: 1992	LETTER SYMBOLS AND SIGNS USED IN ELECTRICAL TECHNOLOGY - PART 1: GENERAL (Second Revision)		-	Identical under dual numbering
58.	IS 5578:1984 Reviewed In : 2021	Guide for marking of insulated conductors (First Revision)	March, 2021	1	Modified/Technically Equivalent
59.	IS/IEC 60073:2002 60073: 2002	Basic and safety principles for man-machine interface marking and identification - Coding principles for indicators and actuators		-	Identical under single numbering
60.	IS/IEC 60529:2001 Reviewed In : 2025	Degrees of protection provided by enclosures (IP Code)	July, 2025	1	Identical under single numbering
61.	IS 7118:2023 IEC 60447 : 2004	Basic and Safety Principles for Man-Machine Interface Marking and Identification - Actuating Principles (First Revision)		-	Identical under dual numbering
62.	IS 7691:2025	Frequencies For Special Power Applications (IEC 60196 : 2009, MOD) (FIRST REVISION)		-	Modified/Technically Equivalent
63.	IS 7691:1975 Reviewed In : 2025	Frequencies for special power applications	January, 2025	-	Modified/Technically Equivalent
64.	IS 8270 (Part 1):2023 IEC 61082-1: 2014	PREPARATION OF DOCUMENTS USED IN ELECTROTECHNOLOGY - PART 1: RULES		-	Identical under dual numbering
65.	IS 8270 (Part 2):2023 IEC 81346-1 : 2022	Industrial Systems Installations and Equipment and Industrial Products - Structuring Principles and Reference Designations - Part 2: Basic Rules (First Revision)		-	Identical under dual numbering
66.	IS 9409:2023 IEC 61140 : 2016	Protection Against Electric Shock - Common Aspects for Installation and Equipment (First Revision)		-	Identical under dual numbering
67.	IS 9499:1980 Reviewed In : 2025	Conventions concerning electric and magnetic circuits	January, 2025	-	Indigenous
68.	IS 9676:1980 Reviewed In : 2025	Reference ambient temperature for electrical equipment	January, 2025	-	Indigenous
69.	IS 9677:1980 Reviewed In : 2025	Guide for limits of temperature - Rise of the windings of electrical equipment when tested by different methods	January, 2025	-	Indigenous
70.	IS 9678:1980 Reviewed In : 2025	Methods of measuring temperature-rise of electrical equipment	January, 2025	-	Indigenous

Standards Under Develpoment

Projects Approved

SI. No.	Doc No	TITLE
No Records Found

Preliminary Draft Standards

SI. No.	Doc No	TITLE
1	ETD 1 (27701) Revision of: IS 1885:1961	Electrotechnical Vocabulary Part 112 Quantities and Units
2	ETD 1 (27707)	AMENDMENT NO 1 APRIL 2025 TO IS 1885 Part 1 2012 IEC 60050-841 2004 ELECTROTECHNICAL VOCABULARY PART 51 INDUSTRIAL ELECTROHEAT Second Revision
3	ETD 1 (27708) Revision of: IS 1885:1971	Electrotechnical Vocabulary Part 29 Mining Terms
4	ETD 1 (27709)	AMENDMENT NO 1 APRIL 2025 TO IS 1885 Part 57 2008 IEC 60050-131 2002 ELECTROTECHNICAL VOCABULARY PART 57 CIRCUIT THEORY
5	ETD 1 (27710)	AMENDMENT NO 1 APRIL 2025 TO IS 1885 Part 74 2012 IEC 60050-151 2001 ELECTROTECHNICAL VOCABULARY PART 74 ELECTRICAL AND MAGNETIC DEVICES
6	ETD 1 (27712)	AMENDMENT NO 1 APRIL 2025 TO IS 1885 Part 300 2017 IEC 60050-300 2001 Including Parts 311 to 314 ELECTROTECHNICAL VOCABULARY PART 300 ELECTRICAL AND ELECTRONIC MEASUREMENTS AND MEASURING INSTRUMENTS PART 311 GENERAL TERMS RELATING TO MEASUREMENTS PART 312 GENERAL TERMS RELATING TO ELECTRICAL MEASUREMENTS PART 313 TYPES OF ELECTRICAL MEASURING INSTRUMENTS PART 314 SPECIFIC TERMS ACCORDING TO THE TYPE OF INSTRUMENT
7	ETD 1 (28160) Revision of: IS 11955:1987	Preferred Current Ratings

Drafts Standards in WC Stage

SI. No.	Doc No	TITLE
1	ETD 1 (27704) Revision of: IS 9499:1980	Conventions concerning Electric Circuits

Draft Standards Completed WC Stage

SI. No.	Doc No	TITLE
No Records Found

Finalized Draft Indian Standard

SI. No.	Doc No	TITLE
No Records Found

Finalized Draft Indian Standards under Print

SI. No.	Doc No	TITLE
1	ETD 1 (26210) Revision of: IS 12360:1988	VOLTAGE BANDS FOR ELECTRICAL INSTALLATIONS INCLUDING PREFERRED VOLTAGE AND FREQUENCY

Total Published Standards:67 Total Standards Under development : 9

Aspect Wise Report

Product:	0
Code of Practices :	10
Methods of Test :	4
Terminology :	50
Dimensions :	0
System Standard :	2
Safety Standard :	1
Others :	2
Service Specification :	0
Process Specification :	0
Unclassified :	0

Total :69

Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.	IS No.	Title
1.	IS 10051:1981	Pvc Insulated Winding Wires For Submersible Motors For 105 Degree Centrigrade Operation
2.	IS 1025:1957	Glossary of terms for primary cells and batteries
3.	IS 1147:1957	Glossary of terms for secondary cells and batteries
4.	IS 1174:1957	Specification for hot rolled and slit steel tee bars
5.	IS 12032 (Part 1):1987 IEC 60617-1 : 1985 Reviewed In : 2025	Graphical symbols for diagrams in the field of electrotechnology Part 1 general information
6.	IS 12032 (Part 2):1987 IEC Pub 617-2 ( 1983 ) Reviewed In : 2019	Graphical symbols for diagrams in the field of electrotechnology Part 2 symbol elements qualifying symbols and other symbols having general application
7.	IS 12032 (Part 3):1987 IEC Pub 617-3 ( 1983 ) Reviewed In : 2019	Graphical symbols for diagrams in the field of electrotechnology Part 3 conductors and connecting devices
8.	IS 12032 (Part 4):1987 IEC Pub 617-4 ( 1983 ) Reviewed In : 2019	Graphical symbols for diagrams in the field of electrotechnology Part 4 passive components
9.	IS 12032 (Part 6):1987 IEC Pub 617-6 ( 1983 ) Reviewed In : 2025	Graphical symbols for diagrams in the field of electrotechnology Part 6 production and conversion of electrical energy
10.	IS 12032 (Part 7):1987 IEC Pub 617 - 7 ( 1983 ) Reviewed In : 2019	Graphical symbols for diagrams in the field of electrotechnology Part 7 switchgear controlgear and protective devices
11.	IS 12032 (Part 8):1987 IEC Pub 617-8 ( 1983 ) Reviewed In : 2025	Graphical symbols for diagrams in the field of electrotechnology Part 8 measuring instruments lamps and signalling devices
12.	IS 12032 (Part 10):1991 Reviewed In : 2019	Graphical Symbols for Diagrams in the Field of Electrotechnology Part 10 Telecommunications Transmission
13.	IS 12032 (Part 11):1987 IEC Pub 617-11 ( 1987 ) Reviewed In : 2019	Graphical symbols for diagrams in the field of electrotechnology Part 11 architectural and topographical installation plan and diagrams
14.	IS 12063:1987	Classification of Degrees of Protection Provided by Enclosures of Electrical Equipment
15.	IS 12788:1989	Pvc Covered Wires Overcoated With Nylon For Submerssible Motors
16.	IS 1475:2005	Self-contained Drinking Water Coolers
17.	IS 1591:1960	Glossary of terms for cables conductors and accessories
18.	IS 1885 (Part 8):1986	Electrotechnical Vocabulary - Part 8 Secondary Cells and Batteries
19.	IS 1885 (Part 9):1992 IEC 60050-446 : 1983 Reviewed In : 2017	Electrotechnical vocabulary Part 9 electrical relays Second Revision
20.	IS 1885 (Part 11):1966 Reviewed In : 2017	Electrotechnical vocabulary Part 11 electrical measurements
21.	IS 1885 (Part 14):1967 Reviewed In : 2017	Electrotechnical Vocabulary Part 14 Nuclear Power Plants
22.	IS 1885 (Part 16/Sec 1):1968 Reviewed In : 2017	Electotechnical vocabulary Part 16 lighting Sec 1 general aspects
23.	IS 1885 (Part 16/Sec 2):1968 Reviewed In : 2017	Electrotechnical vocabulary Part 16 lighting Sec 2 general illumination lighting fittings and lighting for traffic and signalling
24.	IS 1885 (Part 16/Sec 3):1967 Reviewed In : 2017	Electrotechnical vocabulary Part 16 lighting Sec 3 lamps and auxiliary apparatus
25.	IS 1885 (Part 43):1977 Reviewed In : 2017	Electrotechnical vocabulary Part 43 electrical equipment used in medical practice
26.	IS 1885 (Part 49):1978 Reviewed In : 2017	Electrotechnical vocabulary Part 49 industrial process measurement and control
27.	IS 1885 (Part 73/Sec 1):1993 IEC 50(111): Reviewed In : 2009	Electrotechnical Vocabulary Part 73 Physics and chemistry Section 01 Physicalconcepts
28.	IS 1885 (Part 73/Sec 2):1993 IEC 50(111)84 Reviewed In : 2009	Electrotechnical Vocabulary Part 73 Physics and chemistry - Section 02 Electrotechnical concepts
29.	IS 1885 (Part 73/Sec 3):1993 IEC 50(111-03) Reviewed In : 2009	Electrotechnical Vocabulary Part 73 Physics and chemistry - Section 03 Concepts related to quantities and units
30.	IS 2032 (Part 1):1962	Graphical symbols used in electrotechnology Part 1 Classification and definitions of diagrams and charts
31.	IS 2032 (Part 2):1962	Graphical symbols used in electrotechnology Part 2 Kind of current distribution systems and methods of connection
32.	IS 2032 (Part 3):1962	Graphical symbols used in electrotechnology Part 3 Circuit elements and variability
33.	IS 2032 (Part 4):1964	Graphical symbols used in electrotechnology Part 4 Rotating machines and transformers
34.	IS 2032 (Part 5):1965	Graphical symbols used in electrotechnology Part 5 Generating stations and substations
35.	IS 2032 (Part 6):1965	Graphical symbols used in electrotechnology Part 6 Motor starters
36.	IS 2032 (Part 7):1974	Graphical symbols used in electrotechnology Part 7 Switchgear and auxiliaries
37.	IS 2032 (Part 10):1969	Graphical symbols used in electrotechnology Part 10 Measuring instruments
38.	IS 2032 (Part 11):1969	Graphical symbols used in electrotechnology Part 11 Electrical installations in buildings
39.	IS 2032 (Part 18):1976	Graphical symbols used in electrotechnology Part 18 Symbols and connection diagrams for integrating meters
40.	IS 2032 (Part 21):1977	Graphical symbols used in electrotechnology Part 21 Electrical welding equipment
41.	IS 2032 (Part 22):1978	Graphical symbols used in electrotechnology Part 22 Instrument transformers
42.	IS 2032 (Part 23):1978	Graphical symbols used in electrotechnology Part 23 Instruments for process measurement and control
43.	IS 2032 (Part 26):1982	Graphical symbols used in electrotechnology Part 26 Rotating machines
44.	IS 2032 (Part 27):1982	Graphical symbols used in electrotechnology Part 27 Relays
45.	IS 2032 (Part 28):1983	Graphical symbols used in electrotechnology Part 28 Transformers
46.	IS 3202:1965	Code Of Practice For Climate Proofing Of Electrical Equipment
47.	IS 3722 (Part 2):1983 IEC 60273-1 Reviewed In : 2017	Letter symbols and signs used in electrical technology Part 2 reference tables for symbols and subscripts First Revision
48.	IS 585:1962	Voltages and frequency for transmission and distribution systems
49.	IS 8270 (Part 3):1977 Reviewed In : 2019	Guide for preparation of diagrams charts and tables for electrotechnology Part 3 general requirements for diagrams
50.	IS 8270 (Part 4):1977 Reviewed In : 2019	Guide for preparation of diagrams charts and tables for electrotechnology Part 4 circuit diagrams
51.	IS 8270 (Part 5):1976 Reviewed In : 2019	Guide for preparation of diagrams charts and tables for electrotechnology Part 5 interconnection diagrams and tables
52.	IS 8270 (Part 6):1983 Reviewed In : 2017	Guide for preparation of diagrams charts and tables for electrotechnology Part 6 unit wiring diagrams and tables

Annexure-II :List of Indian Product Standards

SI. No.	IS No. & Year	Title
No Records Found