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Method of classifying phlogopite mica splittings into six classes according to their thermal resistance.
Identifies circuit arrangements and movement methods of the coolant. Classifies methods of cooling and gives a designation system for them. Complete and simplified designations are defined.
Identifies circuit arrangements and the methods of movement of coolant in rotating electrical machines, classifies the methods of cooling and gives a designation system for them.
Classifies commercially available magnetic materials and gives information on chemical composition, available forms, physical properties and main applications for each of the materials listed.
The standard defines a system for classifying insulating liquids according to firepoint and net calorific value. The characteristics on which the system is based are given together with limiting values.
This International Standard defines a system for classifying insulating liquids according to fire-point and net calorific value. The characteristics on which the system is based are given together with limiting values.
Classifies types in respect of the degree of protection afforded to persons against contact with live parts and against ingress of solid foreign bodies and liquids. Gives test requirements appropriate to each category and examples of types of test equipment.
Classifies types of protection, specifies winding temperatures for steady overload and stalled conditions. Recommends thermistor reference temperatures. Characteristics for thermostats, thermistors and thermistor control units with appropriate tests. Thermistors are of positive temperature...
Specifies methods of measuring and classifying the acoustic noise emitted from rotating electrical machines under free field conditions. Methods for correcting for presence of pure tones. Upper limits of dB (A) sound power for machines rated up to 16 MW.
Classifies types of protection, specifies winding temperatures for steady overload and stalled conditions. Recommends thermistor reference temperatures. Characteristics for thermostats, thermistors and thermistor control units with appropriate tests. Thermistors are of positive temperature...
This part of IEC 61482 specifies test method procedures to determine the arc rating of flame resistant clothing materials and garments or assemblies of garments intended for use in clothing for workers if there is an electric arc hazard. An open arc under controlled laboratory conditions is used to...
This part of IEC 61482 specifies test method procedures to determine the arc rating of flame resistant clothing materials and garments or assemblies of garments intended for use in clothing for workers if there is an electric arc hazard. An open arc under controlled laboratory conditions is used to...
This part of IEC 61482 specifies test method procedures to determine the arc rating of flame resistant clothing materials and garments or assemblies of garments intended for use in clothing for workers if there is an electric arc hazard. An open arc under controlled laboratory conditions is used to...
This part of IEC 672 is applicable to ceramic, glass-ceramic, glass-mica and glass materials for electrical insulating purposes. This part of IEC 672 gives definitions of terms used, and provides tables classifying the various material types into groups according to compositional type,...
This part of IEC 672 is applicable to ceramic, glass-ceramic, glass-mica and glass materials for electrical insulating purposes. This part of IEC 672 gives definitions of terms used, and provides tables classifying the various material types into groups according to compositional type,...
The standard provides test methods designed for quality control and evaluation of materials exposed to an igniting source. These methods make it possible to check the constancy of characteristics, to evaluate the progress in the development of materials and to compare and classify these...
Classifies degrees of protection provided by enclosures on all types of electrical equipment where the rated voltage does not exceed 72.5 kV. The IP system employed indicates by means of a two numeral code the protection afforded against contact with live and moving parts, also against...
Defines and classifies accuracy classes, methods of determining intrinsic error and variations for measured quantity and time-keeping, lists influence quantities, electrical and mechanical requirements, marking requirements and symbols. Concept used and effect of friction between marking...
Classifies types of enclosure in respect of the degree of protection afforded to persons against contact with live parts, and against ingress of solid foreign bodies and liquids. Gives test requirements appropriate to each category and examples of types of test equipments.
This report provides guidance on the selection of the appropriate group or sub-group of electrical apparatus, protected by flameproof enclosure or designed to be intrinsically safe, according to the gas or vapour in which it is intended to be used. This report provides the basis for the...
