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EXL/31 - Equipment for explosive atmospheres

Sector: Governance & Resilience

Categories: Lightning protection | Data communication networks | Cells and batteries. Primary | Playgrounds | Soils. Chemical characteristics | Internal combustion engines | Characteristics and design of machines, apparatus, equipment | Switchgear and controlgear. High voltage | Networking | Optoelectronics. Laser equipment | Cables | Central heating | Domestic and commercial equipment. Miscellaneous | Electrical and electronic equipment. Control systems | Mining equipment. General | Electrical apparatus. Explosive atmospheres | Production. Production management | Lamps. Other | Electrical installations. Outdoor use | Printed circuits and boards | Volumetric equipment and measurements | Water quality | Workplace atmospheres | Lighting installation systems | Surface treatment | Chemical analysis | Alarm and warning systems | Fibre optic interconnecting devices | Microbiology. Water | Measurement. Electrical and magnetic quantities | Power transmission and distribution lines | Ignitability and burning behaviour. Materials and products | Open systems interconnection. General | Stationary source emissions | Paint coating equipment | Electricity supply | Soil quality | Measurement. Volume, mass, density, viscosity | Audio, video and audiovisual systems. General | Multilayer applications | Buildings. Residential | Electric shock protection. Live working | Insulating materials. General | Electrical equipment. Special conditions. General | Heating appliances. General | Gas supply | Quality. General | Industrial automation systems. General | Electronic components. General | Receiving and transmitting | Building protection. Other | Rectifiers. Converters. Stabilized power supply | Explosion protection | Ventilation, air-conditioning and illumination equipment | Telecontrol. Telemetering | Testing. Environmental | Transport exhaust emissions | Explosives. Pyrotechnics and fireworks | Housings, enclosures, other machine parts | Aerospace electric equipment and systems | Chemical industry. Production | Medical equipment. General | Safety. Domestic | Testing. Electrical and electronic | Industrial process measurement and control | Components. Electrical equipment. General | Electrical engineering | Electromagnetic compatibility (EMC) | Small craft | Immunity | Domestic electrical appliances | Research and development | Ambient atmospheres | Electrical engineering. General | Electrical equipment. Special conditions

Overview: Under the direction of the British Electro-technical Committee (BEC) and the Standards Policy and Strategy Committee (SPSC), is responsible for the UK input to IEC/TC 31 and CLC/TC 31.

Committee standards activity

In Progress (41)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PNW 31-1786 ED1: Explosive atmosphere ? Part 101: Principles of explosion protection

Categories: Information management | Standardization. General rules

Proposal begins : 2024-06-14
Proposal
PD IEC/TS 60079-32-1 Ed.2.0 Explosive atmospheres. - Part 32-1: Electrostatic hazards, guidance

Categories: Electrical apparatus. Explosive atmospheres

Drafting begins : 2025-03-20
Drafting
PD IEC/TS 60079-32-1 Ed.2.0 Explosive atmospheres. Part 32-1: Electrostatic hazards - Guidance

Categories: Unclassified documents

Drafting begins : 2026-11-18
Drafting
PD IEC TS 60079-44:2023 IEC 60079-44: Explosive atmospheres – Part 44 - Personal Competence

Categories: Electrical apparatus. Explosive atmospheres

Approval begins : 2024-02-05
Approval
NWIP prEN 50724 Fixed Ultrasonic Gas Leak Detectors (UGLD) - General requirements and test methods

Categories: Information management | Standardization. General rules

Proposal begins : 2024-10-25
Proposal
NWIP EN 60079-5:2015/prA1:2021/prAA Explosive atmospheres - Part 5: Equipment protection by powder filling "q"

Categories: Information management | Standardization. General rules

Proposal begins : 2024-10-25
Proposal
New Work Item Proposal prEN 50XXX (WI 84389): Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"

Categories: Information management | Standardization. General rules

Proposal begins : 2026-07-31
Proposal
New Work Item Proposal - EN IEC 60079-18:2025/prAA Explosive atmospheres - Part 18: Equipment protection by encapsulation “m”

Categories: Information management | Standardization. General rules

Proposal begins : 2026-01-01
Proposal
BS IEC/IEEE 60079-30-2:2025 Explosive atmospheres. Part 30-2: Electrical resistance trace heating. Guidance on application for design, installation and maintenance

Categories: Electrical apparatus. Explosive atmospheres

Approval begins : 2025-09-29
Approval
BS IEC/IEEE 60079-30-1:2025 Explosive atmospheres. Part 30-1: Electrical resistance trace heating. General and testing requirements

Categories: Electrical apparatus. Explosive atmospheres

Approval begins : 2025-09-29
Approval
Published (55)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PD IEC/TS 60079-46:2017 Explosive atmospheres. Equipment assemblies

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2017-09-18
Published standard
PD IEC/TS 60079-40:2015 Explosive atmospheres. Requirements for process sealing between flammable process fluids and electrical systems

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2015-03-02
Published standard
PD IEC TS 60079-48:2023 Explosive atmospheres. Portable or Personal Electronic Equipment. Guide for the use of equipment without a certificate for use in Hazardous Areas

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2023-12-11
Published standard
PD IEC TS 60079-42:2019 Explosive atmospheres. Electrical Safety Devices for the control of potential ignition sources from Ex-Equipment

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2019-11-21
Published standard
PD CLC IEC/TS 60079-47:2021 Explosive atmospheres. Equipment protection by 2-wire intrinsically safe Ethernet concept (2-WISE)

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2021-08-11
Published standard
PD CLC IEC/TS 60079-43:2021 Explosive atmospheres. Equipment in adverse service conditions

Categories: Explosion protection | Electrical apparatus. Explosive atmospheres

Published standard begins : 2021-05-06
Published standard
CLC/TR 50427:2004 Assessment of inadvertent ignition of flammable atmospheres by radio- frequency radiation. Guide

Categories: Explosion protection | Receiving and transmitting

Published standard begins : 2006-04-04
Published standard
BS EN IEC 62990-1:2022+A11:2022 Workplace atmospheres. Gas detectors. Performance requirements of detectors for toxic gases

Categories: Rectifiers. Converters. Stabilized power supply | Electrical apparatus. Explosive atmospheres

Published standard begins : 2023-04-11
Published standard
BS EN IEC 60079-45:2025 Explosive atmospheres. Electrical ignition systems for internal combustion engines

Categories: Electrical apparatus. Explosive atmospheres | Electrical and electronic equipment. Control systems

Published standard begins : 2025-10-22
Published standard
BS EN IEC 60079-31:2024 Explosive atmospheres. Equipment dust ignition protection by enclosure "t"

Categories: Electrical apparatus. Explosive atmospheres

Published standard begins : 2024-03-04
Published standard
Withdrawn (101)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PD IEC/TS 60079-43:2017 Explosive atmospheres. Equipment in adverse service conditions

Categories: Explosion protection | Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2021-05-06
Withdrawn
PD IEC/TS 60079-32-1:2013 Explosive atmospheres. Electrostatic hazards, guidance

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2015-06-03
Withdrawn
PD IEC TS 60079-47:2021 Explosive atmospheres. Equipment protection by 2-wire intrinsically safe Ethernet concept (2-WISE)

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2021-08-11
Withdrawn
PD IEC 60079-20:2000, IEC 60079-20:1996 Electrical apparatus for explosive gas atmospheres. Data for flammable gases and vapours, relating to the use of electrical apparatus

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2010-09-17
Withdrawn
PD CLC/TR 60079-33:2015 Explosive atmospheres. Equipment protection by special protection 's'

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2016-02-01
Withdrawn
PD CLC/TR 60079-32-1:2015 Explosive atmospheres. Electrostatic hazards, guidance

Categories: Explosion protection | Electric shock protection. Live working | Electrical engineering. General | Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2019-01-25
Withdrawn
BS IEC 61241-4:2001, IEC 61241-4:2001 Electrical apparatus for use in the presence of combustible dust. Type of protection "pD"

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2009-04-01
Withdrawn
BS IEC 60079-33:2012 Explosive atmospheres. Equipment protection by special protection “s”

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2015-05-21
Withdrawn
BS EN IEC 60079-7:2015+A1:2018 Explosive atmospheres. Equipment protection by increased safety "e"

Categories: Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2019-07-24
Withdrawn
BS EN IEC 60079-0:2018 Explosive atmospheres. Equipment. General requirements

Categories: Explosion protection | Electrical apparatus. Explosive atmospheres

Withdrawn begins : 2020-03-24
Withdrawn