Programme of work

BUREAU OF INDIAN STANDARDS

Electrotechnical Department

Programme of Work

ETD22 : Electrical Apparatus For Explosive Atmosphere

Scope : To prepare guidelines and requirements for electrical apparatus for use where there is a hazard due to the possible presence of ignitable gas, vapour liquid particles or dust in the atmosphere.
Liaison :

IEC TC 31 - Equipment for explosive atmospheres - Participating (P)
IEC TC 31 / SC 31G - Intrinsically-safe apparatus - Participating (P)
IEC TC 31 / SC 31J - Classification of hazardous areas and installation requirements - Participating (P)
IEC TC 31 / SC 31M - Non-electrical equipment and protective systems for explosive atmospheres - Participating (P)

Published Standards

SI. No.	IS No.	Title	Reaffirmation Details	No. of Amendments	Degree of Equivalence
1.	IS 11333 : 1985 Reviewed In : 2021	Specification for flameproof dry type transformers for use in mines	January, 2021	-	Indigenous
2.	IS 16724 : 2018 IEC 60079-14 : 2013 Reviewed In : 2023	Explosive atmospheres - Electrical installations design, selection and erection	June, 2023	-	Modified/Technically Equivalent
3.	IS 2772 : 1982 Reviewed In : 2022	Specification for non - Flameproof mining transformers for use below ground (First Revision)	September, 2022	-	Indigenous
4.	IS 4051 : 1967 Reviewed In : 2022	Code of practice for installation and maintenance of electrical equipment in mines	June, 2022	1	Indigenous
5.	IS 5572 : 2009 IEC 60079-10:2002 Reviewed In : 2024	Classification of hazardous areas (Other Than Mines) having flammable gases and vapours for electrical installation (Third Revision)	January, 2024	1	Modified/Technically Equivalent
6.	IS/IEC 60079-0 : 2017 IEC 60079-0 : 2017	Explosive Atmospheres Part 0 Equipment — General Requirements ( Third Revision )	-	-	Identical under single numbering
7.	IS/IEC 60079-1 : 2014 IEC 60079-1 : 2014	Explosive Atmospheres - Part 1 : Equipment Protection by Flameproof Enclosures "d"	-	-	Identical under single numbering
8.	IS/IEC 60079-2 : 2014 IEC 60079-2 : 2014 Reviewed In : 2022	Explosive atmospheres: Part 2 equipment protection by pressurized enclosure ''p'' (First Revision)	September, 2022	1	Identical under single numbering
9.	IS/IEC 60079-5 : 2015 IEC 60079-5:2015 Reviewed In : 2022	Explosive atmospheres: Part 5 equipment protection by powder filling ''q'' (First Revision)	December, 2022	-	Identical under single numbering
10.	IS/IEC 60079-6 : 2015 IEC 60079-6 : 2015	Explosive atmospheres: Part 6 equipment protection by liquid immersion "O" (First Revision)	March, 2016	-	Identical under single numbering
11.	IS/IEC 60079-6 : 2020 IEC 60079-6:2020(Ed 4.1)	Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o" (Second Revision)		-	Identical under single numbering
12.	IS/IEC 60079-7 : 2017 IEC 60079-7:2017 (Ed 5.1)	Explosive atmospheres - Part 7: Equipment protection by increased safety "e" (Second Revision)		-	Identical under single numbering
13.	IS/IEC 60079-10-2 : 2015 IEC 60079-10-2 : 2015 Reviewed In : 2022	Explosive atmospheres: Part 10 classification of areas: Sec 2 explosive dust atmospheres (First Revision)	December, 2022	-	Identical under single numbering
14.	IS/IEC 60079-11 : 2011 IEC 60079-11 : 2011	Explosive Atmospheres Part 11 Equipment Protection by Intrinsic Safety “i” (First Revision)		-	Identical under single numbering
15.	IS/IEC 60079-13 : 2017 IEC 60079-13 : 2017	Explosive Atmospheres Part 13 Equipment Protection by Pressurized Room ''p'' and Artificially Ventilated Room ''v'' ( First Revision )		-	Identical under single numbering
16.	IS/IEC 60079-15 : 2017 IEC 60079-15:2017	EXPLOSIVE ATMOSPHERES PART 15 EQUIPMENT PROTECTION BY TYPE OF PROTECTION ''n'' (Second Revision)		-	Identical under single numbering
17.	IS/IEC 60079-16 : 1990 IEC 60079-16 : 1990 Reviewed In : 2023	Electrical apparatus for explosive gas atmospheres: Part 16 artificial ventilation for the protection of analyzer(S) houses	April, 2023	-	Identical under single numbering
18.	IS/IEC 60079-17 : 2013 IEC 60079-17 : 2013	Explosive atmospheres: Part 17 electrical installations inspection and maintenance (First Revision)	December, 2022	-	Identical under single numbering
19.	IS/IEC 60079-18 : 2014 IEC 60079-18 : 2014	Explosive atmospheres: Part 18 equipment protection by encapsulation ''m'' (Second Revision)	December, 2022	1	Identical under single numbering
20.	IS/IEC 60079-19 : 2019 IEC 60079-19:2019	Explosive atmospheres - Part 19: Equipment repair overhaul and reclamation (Second Revision)		-	Identical under single numbering
21.	IS/IEC 60079-20-1 : 2010 Reviewed In : 2018	Explosive atmospheres: Part 20 material characteristics for gas and vapour classification: Sec 1 test methods and data	March, 2018	-	Identical under single numbering
22.	IS/IEC 60079-25 : 2010 IEC 60079-25 : 2010 Reviewed In : 2019	Explosive atmospheres: Part 25 intrinsically safe electrical systems (First Revision)		-	Identical under single numbering
23.	IS/IEC 60079-25 : 2020 IEC 60079-25:2020	Explosive atmospheres - Part 25: Intrinsically safe electrical systems (Second Revision)		-	Identical under single numbering
24.	IS/IEC 60079-26 : 2021 IEC 60079-26:2021	Explosive atmospheres - Part 26: Equipment with Separation Elements or combined Levels of Protection (Second Revision)		-	Identical under single numbering
25.	IS/IEC 60079-28 : 2015 IEC 60079-28 : 2015 Reviewed In : 2023	Explosive atmospheres: Part 28 protection of equipment and transmission systems using optical radiation (First Revision)	October, 2023	1	Identical under single numbering
26.	IS/IEC 60079-29-4 : 2009 IEC 60079-29-4 : 2009 Reviewed In : 2024	Explosive atmospheres: Part 29 gas detectors: Sec 4 performance requirements of open path detectors for flammable gases	December, 2024	-	Identical under single numbering
27.	IS/IEC 60079-29-1) : 2016 IEC 60079-29-1 : 2016	Explosive atmospheres Part 29 Gas detectors Section 1 Performance Requirements of Detectors for Flammable Gases (First Revision)	June, 2024	1	Identical under single numbering
28.	IS/IEC 60079-29-2 : 2015 IEC 60079-29-2 : 2015 Reviewed In : 2022	Explosive atmospheres: Part 29 gas detectors: Sec 2 selection, installation, use and maintenance of detectors for flammable gases and oxygen (First Revision)	December, 2022	-	Identical under single numbering
29.	IS/IEC/IEEE 60079-30-2) : 2015 IEC/IEEE 60079-30-2:2015	Explosive atmospheres - Part 30 Electrical resistance trace heating Section 2 Application guide for design, installation and maintenance (First revision)		-	Identical under single numbering
30.	IS/IEC/IEEE 60079-30-1 : 2015 IEC/IEEE60079-30-1 : 2015 Reviewed In : 2023	Explosive Atmospheres Part 30 Electrical Resistance Trace Heating Section 1 General and testing requirements ( First Revision )	July, 2023	-	Identical under single numbering
31.	IS/IEC 60079-31 : 2013 IEC 60079-31 : 2013	Explosive atmospheres: Part 31 equipment dust ignition protection by enclosure "T" (First Revision)		-	Identical under single numbering
32.	IS/IEC 60079-31 : 2022 IEC 60079-31:2022	Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure ''t'' (Second Revision)		-	Identical under single numbering
33.	IS/IEC 60079-33 : 2012 IEC 60079-33 : 2012	Explosive Atmospheres Part 33 Equipment Protection by Special Protection 's'		-	Identical under single numbering
34.	IS/IEC 60079-35-1) : 2011 IEC 60079-35-1 : 2011	Explosive Atmospheres Part 35 Caplights for Use in Mines Susceptible to Firedamp Section 1 General requirements - Construction and testing in Relation to the risk of explosion		-	Identical under single numbering
35.	IS/IEC 60079-35-2 : 2011 IEC 60079-35-2 : 2011 Reviewed In : 2024	Explosive Atmospheres Part 35 Caplights for use in Mines Susceptible to Firedamp Section 2 Performance and other safety related matters	January, 2024	-	Identical under single numbering
36.	IS/IEC/TS 60079-40 : 2015 IEC 60079-40 : 2015	Explosive atmospheres Part 40: Requirements for process sealing between flammable process fluids and electrical systems		-	Identical under single numbering
37.	IS/IEC/TS 60079-46 : 2017 IEC TS 60079-46 : 2017	Explosive Atmospheres Part 46 Equipment Assemblies		-	Identical under single numbering
38.	IS/ISO/IEC 80079-20-1) : 2017 ISO/IEC 80079-20-1:2017	Explosive atmospheres - Part 20 Material characteristics for gas and vapour classification Section 1 Test methods and data		-	Identical under single numbering
39.	IS/ISO/IEC 80079-20- 2 : 2016 ISO/IEC 80079-20-2 : 2016 Reviewed In : 2022	Explosive atmospheres: Part 20 material characteristics: Sec 2 combustible dusts test methods	October, 2022	-	Identical under single numbering
40.	IS/ISO/IEC 80079-34 : 2018 ISO/IEC 80079-34 : 2018	Explosive Atmospheres Part 34 Application of Quality Management Systems for Ex Product Manufacture		-	Identical under single numbering
41.	IS/ISO/IEC 80079-36 : 2016 ISO/IEC 80079-36 : 2016	Explosive Atmospheres Part 36 Non-electrical Equipment for Explosive Atmospheres - Basic Method and Requirements		-	Identical under single numbering
42.	IS/ISO/IEC 80079-37 : 2016 ISO/IEC 80079-37 : 2016	Explosive Atmospheres Part 37 Non-electrical Equipment for Explosive Atmospheres - Non Electrical Type of Protection Constructional Safety ''c'', Control of Ignition Source ''b'', Liquid Immersion ''k''		-	Identical under single numbering
43.	IS/ISO/IEC 80079-38 : 2016 ISO/IEC 80079-38 : 2016	Explosive Atmospheres Part 38 Equipment and Components in Explosive Atmospheres in Underground Mines		-	Identical under single numbering
44.	IS 9559 : 1980 Reviewed In : 2020	Guide for selection of electrical and electronic equipment for coal mines	October, 2020	-	Indigenous
45.	IS 9836 : 1981 Reviewed In : 2021	Specification for exploders	August, 2021	-	Indigenous

Standards Under Develpoment

Projects Approved

SI. No.	Doc No	TITLE
No Records Found

Preliminary Draft Standards

SI. No.	Doc No	TITLE
No Records Found

Drafts Standards in WC Stage

SI. No.	Doc No	TITLE
No Records Found

Draft Standards Completed WC Stage

SI. No.	Doc No	TITLE
1	ETD 22 (22810) Revision of: IS 4051:1967	CODE OF PRACTICE FOR INSTALLATION AND MAINTENANCE OF ELECTRICAL EQUIPMENT IN MINES First Revision
2	ETD 22 (22815) Revision of: IS 9559:1980	Guide for Selection of Electrical and Electronic Equipment for Coal Mines First Revision

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 22 (22393) Revision of: IS/IEC 60079:2015	Explosive Atmospheres Part 5 Equipment Protection by Powder Filling q Second Revision
2	ETD 22 (22394) Revision of: IS/IEC 60079:2011	Explosive Atmospheres Part 11 Equipment Protection by Intrinsic Safety i Second Revision
3	ETD 22 (22395)	Explosive Atmospheres Part 29 Gas Detectors Section 3 Guidance on Functional Safety of Fixed Gas Detection Systems
4	ETD 22 (22396)	Explosive Atmospheres Part 32 Electrostatic Hazards Section 1 Guidance
5	ETD 22 (22397)	Explosive Atmospheres Part 32 Electrostatics Hazards Section 2 Tests
6	ETD 22 (22398)	Explosive atmospheres Part 42 Electrical Safety Devices for the Control of Potential Ignition Sources from Ex-Equipment
7	ETD 22 (22399)	Explosive Atmospheres Part 43 Equipment in adverse service conditions
8	ETD 22 (24723)	Explosive Atmospheres Part 39 Intrinsically Safe Systems with Electronically Controlled Spark Duration Limitation
9	ETD 22 (24724)	Explosive Atmospheres Part 47 Equipment Protection by 2-Wire Intrinsically Safe Ethernet Concept 2-Wise

Total Published Standards:40 Total Standards Under development : 11

Aspect Wise Report

Product:	25
Code of Practices :	10
Methods of Test :	3
Terminology :	0
Dimensions :	0
System Standard :	0
Safety Standard :	0
Others :	2
Service Specification :	0
Process Specification :	0
Unclassified :	0

Total :40

Annexure-I :List of Indian Standards Withdrawn/Superseded

SI. No.	IS No.	Title
1.	IS 10398 : 1982 Reviewed In : 2016	Specification for zener barrier for intrinsically safe process control instruments
2.	IS 10406 : 1983	Intrinsically Safe Transformers Primarily For Bell Signalling Circuits
3.	IS 11005 : 1984	Dust Tight Ignition Proof Enclosures Of Electrical Equipment
4.	IS 11064 : 1984 IEC 60079-13 Reviewed In : 2016	Guide for construction and use of rooms or buildings protected by pressurization for installation of electrtcal apparatus for explosive gas atmospheres
5.	IS 12315 (Part 1) : 1988 IEC 61241-1 Reviewed In : 2008	Methods of determining the minimum ignition temperature of dusts Part 1 Dust layer on a heated surface at a constant temperature
6.	IS 12315 (Part 2) : 1988 IEC 61241-2-1 Reviewed In : 2008	Methods of determining the minimum ignition temperature of dusts Part 2 Dust cloud in a furnance at a constant temperature
7.	IS 13346 : 2004	Electrical Apparatus for Explosive Gas Atmospheres - General Requirements
8.	IS 13408 (Part 1) : 1992 Reviewed In : 2008	Code of Practice for the Selection Installation and Maintenance of Electrical Apparatus for Use in Potentially Explosive Atmospheres Other than Mining Applications or Explosives Processing and Manufacture - Part 1 General
9.	IS 14154 (Part 1) : 1996 Reviewed In : 2006	Electrical Apparatus with Protection By Enclosure for Use in the Presence of Combustible Dusts - Part 1 Classification for Apparatus
10.	IS 14154 (Part 2) : 1997	Electrical apparatus with protection by enclosure for use in presence of combustible dust Part 2 Guide to elecction installation and maintenance
11.	IS 14774 (Part 1) : 2000 IEC 62086-1 Reviewed In : 2010	Resistance Trace Heating in Potentially Explosive Atmospheres - Part 1 General and Testing Requirements
12.	IS 14774 (Part 2) : 2000 IEC 62086-2 Reviewed In : 2010	Resistance Trace Heating in Potentially Explosive Atmospheres - Part 2 Informative Application Guide for Design Installation and Maintenance
13.	IS 15142 : 2002 Reviewed In : 2012	Guide to the use of Electrical Apparatus for Potentially Explosive Atmospheres in the Presence of Combustible Dust
14.	IS 15451 : 2004	Electrical Apparatus For Explosive Gas Atmospheres - Encapsulation m
15.	IS 2148 : 2004	Electrical Apparatus for Explosive Gas Atmospheres - Flameproof Enclosures d
16.	IS 2206 (Part 1) : 1984 Reviewed In : 2005	Specification for flameproof electric lighting fittings Part 1 well - Glass and bulkhead types First Revision
17.	IS 2206 (Part 2) : 1976 Reviewed In : 2003	Flameproof electric lighting fittings Part 2 Fittings using glass tubes
18.	IS 2206 (Part 4) : 1987 Reviewed In : 2003	Flameproof Electric Lighting Fittings - Part 4 Portable Flame-proof Handlamps and Approved Flexible Cables
19.	IS 4821 : 1968	Cable glands and cable sealing boxes for use in mines
20.	IS 5571 : 2009 IEC 60079-14 Reviewed In : 2014	Guide for selection and installation of electrical equipment in hazardous areas Other Than Mines Third Revision
21.	IS 5679 : 1986 Reviewed In : 2016	Miners cap lamp assemblies incorporating lead acid type batteries
22.	IS 5780 : 2002	Electrical Apparatus for Explosive Gas Atmospheres - Intrinsic Safety i
23.	IS 5833 : 1970	Flameproof air-break electrically operated gate-end boxes
24.	IS/IEC 60079-1 : 2007 Reviewed In : 2014	Explosive Atmospheres - Part 1 Equipment Protection by Flameproof Enclosures d
25.	IS/IEC 60079-11 : 2006 NULL	Explosive Atmospheres Part 11 Equipment Protection by Intrinsic Safety i First Revision
26.	IS/IEC 60079-20 : 1996 Reviewed In : 2012	Electrical appratus for explosive gas atmospheres Part 20 Data for flammable gases and vapours relating to the use of electrical apparatus
27.	IS/IEC 60079-27 : 2008 IEC 60079-27 : 2008	Explosive atmospheres - Part 27 Fieldbus intrinsically safe concept FISCO
28.	IS/IEC 60079-30-1 : 2007 Reviewed In : 2012	Explosive atmospheres Part 30 electrical resistance trace heating Sec 1 general and testing requirements
29.	IS/IEC 60079-30-2 : 2007 Reviewed In : 2012	Explosive atmospheres Part 30 electrical resistance trace heating Sec 2 application guide for design installation and maintenance
30.	IS/IEC 61241-0 : 2004 Reviewed In : 2014	Electrical apoparatus for use in the presence of compustible dust Part 0 General requirements
31.	IS/IEC 61241-1 : 2004 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 1 Protection by enclosures tD
32.	IS/IEC 61241-2-1 : 1994 Reviewed In : 2014	Electrical Apparatus for use in the Presence of Combustible Dust Part 2 Test Methods Section 1 Methods for Determining the Minium Ignition Temperatures
33.	IS/IEC 61241-2-3 : 1994 Reviewed In : 2014	Electrical Apparatus for use in the presence of combustible dust Part 2 Test Methods Section 3 Method for determining minimum ignition engergy of dust air mixtures
34.	IS/IEC 61241-4 : 2001 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 4 type of protection PD
35.	IS/IEC 61241-10 : 2004 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 10 Classification of areas where combustibe dusts are or may be present
36.	IS/IEC 61241-11 : 2005 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 11 Protection by intrinsic safety ID
37.	IS/IEC 61241-14 : 2004 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 14 selection and installation
38.	IS/IEC 61241-18 : 2004 Reviewed In : 2014	Electrical apparatus for use in the presence of combustible dust Part 11 Protection by encapsulation mD
39.	IS 6381 : 2004	Electrical Apparatus for Explosive Gas Atmospheres - Increased Safety e
40.	IS 6539 : 1972	Intrinsically Safe Magneto Telephones for Use in Hazardous Atmospheres
41.	IS 6789 : 1972	Bolted flameproof cable coupler and adaptors
42.	IS 7389 : 2004	Electrical Apparatus for Explosive Gas Atmospheres - Pressurized Enclosures p
43.	IS 7389 (Part 1) : 1976	Pressurized enclosures of electrical apparatus for use in explosive atmospheres Part 1 Pressurized enclosures with no internal source of flammable gas or vapour
44.	IS 7693 : 2004 Reviewed In : 2009	Electrical Apparatus for Explosive Gas Atmospheres - Oil-Immersion o
45.	IS 7724 : 2004	Electrical Apparatus for Explosive Gas Atmoshperes - Powder Filling q
46.	IS 7820 : 2004 IEC 60079-4 Reviewed In : 2009	Electrical Apparatus for Explosive Gas Atmospheres - Method of Test for Ignition Temperature
47.	IS 8224 : 1976 Reviewed In : 2003	Electric Lighting Fittings For Division 2 Areas
48.	IS 8239 : 1976 Reviewed In : 1991	Classification of maximum surface temperatures of electrical equipment for use in explosive atmospheres
49.	IS 8240 : 1976 Reviewed In : 1991	Guide for electrical equipment for explosive atmosphere
50.	IS 8241 : 1976 Reviewed In : 1991	Method of Marking for Identifying Electrical Equipment for Explosive Atmospheres
51.	IS 8289 : 1976 Reviewed In : 2006	Electrical equipment with type of protection n
52.	IS 8945 : 1987 Reviewed In : 2020	Specification for electrical measuring instruments for explosive gas atmospheres First Revision
53.	IS 9166 : 1979	Spark Test Apparatus for Intrinsically-safe Circuits
54.	IS 9570 : 1980 IEC 60079--12 Reviewed In : 2011	Classification of flammable gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
55.	IS 9735 : 2003 IEC 60097-1-1 Reviewed In : 2008	Electrical Apparatus for Explosive Gas Atmospheres - Flmaeproof Enclosoures d - Method of Test for Ascertainment of Maximum Experimental Safe Gap

Annexure-II :List of Indian Product Standards

SI. No.	IS No. & Year	Title
1.	IS 11333 : 1985 Reviewed In : 2021	Specification for flameproof dry type transformers for use in mines
2.	IS 2772 : 1982 Reviewed In : 2022	Specification for non - Flameproof mining transformers for use below ground First Revision
3.	IS/IEC 60079-0 : 2017 IEC 60079-0 : 2017	Explosive Atmospheres Part 0 Equipment General Requirements Third Revision
4.	IS/IEC 60079-2 : 2014 IEC 60079-2 : 2014 Reviewed In : 2022	Explosive atmospheres Part 2 equipment protection by pressurized enclosure 39 39 p 39 39 First Revision
5.	IS/IEC 60079-5 : 2015 IEC 60079-5:2015 Reviewed In : 2022	Explosive atmospheres Part 5 equipment protection by powder filling 39 39 q 39 39 First Revision
6.	IS/IEC 60079-6 : 2020 IEC 60079-6:2020(Ed 4.1)	Explosive atmospheres - Part 6 Equipment protection by liquid immersion 34 o 34 Second Revision
7.	IS/IEC 60079-7 : 2017 IEC 60079-7:2017 (Ed 5.1)	Explosive atmospheres - Part 7 Equipment protection by increased safety 34 e 34 Second Revision
8.	IS/IEC 60079-13 : 2017 IEC 60079-13 : 2017	Explosive Atmospheres Part 13 Equipment Protection by Pressurized Room 39 39 p 39 39 and Artificially Ventilated Room 39 39 v 39 39 First Revision
9.	IS/IEC 60079-15 : 2017 IEC 60079-15:2017	EXPLOSIVE ATMOSPHERES PART 15 EQUIPMENT PROTECTION BY TYPE OF PROTECTION 39 39 n 39 39 Second Revision
10.	IS/IEC 60079-18 : 2014 IEC 60079-18 : 2014	Explosive atmospheres Part 18 equipment protection by encapsulation 39 39 m 39 39 Second Revision
11.	IS/IEC 60079-25 : 2020 IEC 60079-25:2020	Explosive atmospheres - Part 25 Intrinsically safe electrical systems Second Revision
12.	IS/IEC 60079-26 : 2021 IEC 60079-26:2021	Explosive atmospheres - Part 26 Equipment with Separation Elements or combined Levels of Protection Second Revision
13.	IS/IEC 60079-28 : 2015 IEC 60079-28 : 2015 Reviewed In : 2023	Explosive atmospheres Part 28 protection of equipment and transmission systems using optical radiation First Revision
14.	IS/IEC 60079-29-4 : 2009 IEC 60079-29-4 : 2009 Reviewed In : 2024	Explosive atmospheres Part 29 gas detectors Sec 4 performance requirements of open path detectors for flammable gases
15.	IS/IEC/IEEE 60079-30-1 : 2015 IEC/IEEE60079-30-1 : 2015 Reviewed In : 2023	Explosive Atmospheres Part 30 Electrical Resistance Trace Heating Section 1 General and testing requirements First Revision
16.	IS/IEC 60079-31 : 2022 IEC 60079-31:2022	Explosive atmospheres - Part 31 Equipment dust ignition protection by enclosure 39 39 t 39 39 Second Revision
17.	IS/IEC 60079-33 : 2012 IEC 60079-33 : 2012	Explosive Atmospheres Part 33 Equipment Protection by Special Protection s
18.	IS/IEC 60079-35-1) : 2011 IEC 60079-35-1 : 2011	Explosive Atmospheres Part 35 Caplights for Use in Mines Susceptible to Firedamp Section 1 General requirements - Construction and testing in Relation to the risk of explosion
19.	IS/IEC 60079-35-2 : 2011 IEC 60079-35-2 : 2011 Reviewed In : 2024	Explosive Atmospheres Part 35 Caplights for use in Mines Susceptible to Firedamp Section 2 Performance and other safety related matters
20.	IS/IEC/TS 60079-40 : 2015 IEC 60079-40 : 2015	Explosive atmospheres Part 40 Requirements for process sealing between flammable process fluids and electrical systems
21.	IS/IEC/TS 60079-46 : 2017 IEC TS 60079-46 : 2017	Explosive Atmospheres Part 46 Equipment Assemblies
22.	IS/ISO/IEC 80079-36 : 2016 ISO/IEC 80079-36 : 2016	Explosive Atmospheres Part 36 Non-electrical Equipment for Explosive Atmospheres - Basic Method and Requirements
23.	IS/ISO/IEC 80079-37 : 2016 ISO/IEC 80079-37 : 2016	Explosive Atmospheres Part 37 Non-electrical Equipment for Explosive Atmospheres - Non Electrical Type of Protection Constructional Safety 39 39 c 39 39 Control of Ignition Source 39 39 b 39 39 Liquid Immersion 39 39 k 39 39
24.	IS/ISO/IEC 80079-38 : 2016 ISO/IEC 80079-38 : 2016	Explosive Atmospheres Part 38 Equipment and Components in Explosive Atmospheres in Underground Mines
25.	IS 9836 : 1981 Reviewed In : 2021	Specification for exploders