Secondary cells and batteries containing alkaline or other non-acid electrolytes. Lithium secondary cells and batteries for use in electrical energy storage systems. Safety requirements and test methods
Electrical apparatus for use in the presence of combustible dust. Part 17. Inspection and maintenance of electrical installations in hazardous areas (other than mines)
Mechanical environment stability test methods for machines, instruments and other industrial products. Bending, torn, tensile and compression tests of electrical terminals, fittings and other parts being connecting up
