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Low-voltage switchgear and controlgear. Part 5-1. Control circuit devices and switching elements. Electromechanical control circuit devices
Document status: Active
Low-voltage switchgear and controlgear. Part 5-4. Control circuit devices and switching elements. Method of assessing the performance of low-energy contacts. Special tests
Document status: Active
Electrical apparatus for use in the presence of combustible dust. Part 2. Test methods. Section 2. Method for determining the electrical resistivity of dust in layers
Document status: Active
Safety valves of steam and hot-water boilers. Technical requirements
Document status: Active
Tests on electric and optical cables under fire conditions. Part 3-21. Flame spread of vertically-mounted bunched wires or cables. Category A F/R
Document status: Replaced by GOST IEC 60332-3-21-2024