High-voltage switches. Part 2: High-voltage switches for rated voltages of 52 kV and above
Applicable to three-phase alternating-current switches, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages 52 kV and above, and for rated frequencies up to and including 60 Hz.
The contents of the corrigendum of February 1990 have been included in this copy.
Specification for gloves and mitts of insulating material for live working
Applies to insulating gloves and mitts. Gives six classes of gloves, differing in electrical characteristics, and six categories of gloves, differing in properties.
The contents of the corrigendum of May 2000 have been included in this copy.
Specification of general requirements and of specific requirements, as moisture content, grading, sampling, methods of test, packing and marking. A table shois 24 grades kof the product, inclusive grade designations, names used in the trade and characteristics of cashew kernels.
Chromium ores and concentrates — Determination of aluminium content — Complexometric method
The method is applicable to a concentration range of 1.5 to 20.0 % (m/m) of aluminium. ISO 8889 should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, sample, procedure and expression of results.
Asbestos-cement sheets - Control and testing methods
1.1
This standard covers the inspection and test methods for the verification of
dimensional, mechanical and physical properties of flat, corrugated, grooved or
fluted asbestos-cement sheets, as well as those of shingles, bulkheading,
molded roofing sheets and pavements tiles.
1.2
This standard includes the following control and testing methods :
a) control of geometric…