Grade-level in-ground enclosures
Edition 2020-12-01

Explosive atmospheres - Part 26: Equipment with separation elements or combined levels of protection (Adopted IEC 60079-26:2021, fourth edition, 2021-02, with Canadian deviations)
Edition 2022-10-01

Preferred voltage levels for AC systems up to 50000 V
Edition 2019-12-01

Test method, marking requirements, and energy efficiency levels for three-phase induction motors
Edition 2022-10-01

Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems
Edition 2004-11-01

Electromagnetic Compatibility (EMC) - Part 2-12: Environment - Compatibility Levels for Low-Frequency Conducted Disturbances and Signalling in Public Medium-Voltage Power Supply Systems
Edition 2004-11-01

Electromagnetic Compatibility (EMC) - Part 2-4: Environment - Compatibility Levels in Industrial Plants for Low-frequency Conducted Disturbances
Edition 2004-03-01

Electromagnetic Compatibility (EMC) - Part 2: Environment - Section 6: Assessment of the Emission Levels in the Power Supply of Industrial Plants as Regards Low-frequency Conducted Disturbances
Edition 2004-03-01

Industrial communication networks - Network and system security - Part 3-3: System security requirements and security levels (Adopted IEC 62443-3-3:2013, first edition, 2013-08)
Edition 2017-10-01

Information technology - Telecommunications and information exchange between systems - High-level data link control procedures - Description of the X.25 LAPB-compatible DTE data link procedures
Edition 1996-04-30