Acoustics -- Determination of sound power levels and sound energy levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane— 56 стр.
Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution— 47 стр.
Electrical installations of buildings. Part 5: Selection and erection of electrical equipment. Chapter 54: Earthing arrangements and protective conductors— 30 стр.
Plugs, socket-outlets and couplers for industrial purposes - Part 2: Dimensional interchangeability requirements for pin and contact-tube accessories— 95 стр.
Corrigendum 1 - Electrical insulating materials - Thermal endurance properties - Part 6: Determination of thermal endurance indices (TI and RTE) of an insulating material using the fixed time frame method— 0 стр.
Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material— 39 стр.
Guide for the determination of thermal endurance properties of electrical insulating materials. Part 4: Ageing ovens - Section 1: Single-chamber ovens— 17 стр.
Guide for the determination of thermal endurance properties of ekectrical insulating materials - Part 2: List of materials and available tests
Guide for the determination of thermal endurance properties of electrical insulating materials.— 19 стр.
Guide for the determination of thermal endurance properties of electrical insulating materials - Part 1: General guidelines for ageing procedures and evaluation of test results— 48 стр.
Recommendations for the classification of materials for the insulation of electrical machinery and apparatus in relation to their thermal stability in service— 31 стр.
Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane— 58 стр.
Electrical insulating materials. Thermal endurance properties. Determination of thermal endurance indices (TI and RTE) of an insulating material using the fixed time frame method— 54 стр.
Electrical insulating materials. Thermal endurance properties. Determination of relative thermal endurance index (RTE) of an insulating material— 26 стр.
Low-voltage surge protective devices. Surge protective devices for specific application including d.c. Selection and application principles. SPDs connected to photovoltaic installations— 38 стр.