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Electrical apparatus for potentially explosive atmospheres. Group I. Intrinsically safe systems. Part 1. Construction and testing
Document status: Active
Electrical apparatus for explosive gas atmospheres. Electrical resistance trace heaters. Part 2. Application guide for design, installation and maintenance
Document status: Active
Low-voltage switchgear and controlgear. Part 7.3. Ancillary equipment. Safety requirements for fuse terminal blocks
Document status: Active
Conformity assessment system for the use of nuclear energy. Certification testing of products. Procedure
Document status: Replaced by GOST R 50.08.03-2025