IEC 60794-1-403:2021 pdf download
IEC 60794-1-403:2021 pdf download.Optical fibre cables – Part 1-403: Generic specification – Basic optical cable test procedures – Electrical test methods 1 Scope This part of IEC 60794 specifies a method of verifying that cable metallic elements are electrically continuous throughout the cable. Electrical continuity is important for bonding and grounding, toning for location, and other related system issues, and...
IEC 60974-11:2021 pdf download
IEC 60974-11:2021 pdf download.Arc welding equipment – Part 11: Electrode holders 1 Scope This part of IEC 60974 is applicable to ELECTRODE HOLDERS for manual metal arc welding with electrodes up to 10 mm in diameter. It is not applicable to ELECTRODE HOLDERS for underwater welding. This document specifies safety and performance requirements of ELECTRODE HOLDERS . 3 Terms and...
IEC 60757:2021 pdf download
IEC 60757:2021 pdf download.Code for designation of colours 1 Scope This document specifies letter codes for designation of colours and provides rules for their combination to designate colour combinations. The letter codes are intended to be applied in the technical documentation of electrical installations, electrical equipment and products, and in markings of electrical equipment and products. This basic safety publication...
IEC 60747-5-13:2021 pdf download
IEC 60747-5-13:2021 pdf download.Semiconductor devices – Part 5-13: Optoelectronic devices – Hydrogen sulphide corrosion test for LED packages 1 Scope This part of IEC 60747 provides the accelerated test method to assess effects of the tarnishing of silver and silver alloys used for LED packages due to hydrogen sulphide. Particularly, this test method is intended to give information on silver...
IEC 60794-3-12:2021 pdf download
IEC 60794-3-12:2021 pdf download.Optical fibre cables – Part 3-12: Outdoor cables – Detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling 1 Scope This part of IEC 60794 is a detailed specification for duct and directly buried optical telecommunication cables for use in premises cabling to ensure compatibility with ISO/IEC 11801-1. This document’s requirements...
IEC 60086-3:2021 pdf download
IEC 60086-3:2021 pdf download.Primary batteries – Part 3: Watch batteries 1 Scope This part of IEC 60086 specifies dimensions, designation, methods of tests and requirements for primary batteries for watches. In several cases, a menu of test methods is given. When presenting battery electrical characteristics and/or performance data, the manufacturer specifies which test method was used. 2 Normative references The...
IEC 60433:2021 pdf download
IEC 60433:2021 pdf download.Insulators for overhead lines with a nominal voltage above 1 000 V – Ceramic insulators for AC systems 1 Scope This International Standard is applicable to string insulator units of the long rod type with insulating parts of ceramic material intended for use in AC overhead power lines with a nominal voltage greater than 1 000 V...
IEC 60584-3:2021 pdf download
IEC 60584-3:2021 pdf download.Thermocouples – Part 3: Extension and compensating cables – Tolerances and identification system 1 Scope It is necessary for thermocouple temperature measurement that the electro-motive force (ab- breviated as e.m.f. hereafter) of the thermocouple circuit is precisely measured by a measur- ing instrument. A thermocouple is electrically connected to the instrument by a proper pair of electric...
IEC 60305:2021 pdf download
IEC 60305:2021 pdf download.Insulators for overhead lines with a nominal voltage above 1 000 V – Ceramic or glass insulator units for AC systems 1 Scope This International Standard applies to string insulator units of the cap and pin type with insulating parts of ceramic material or glass, intended for AC overhead lines with a nominal voltage greater than 1...
IEC 60794-1-211:2021 pdf download
IEC 60794-1-211:2021 pdf download.Optical fibre cables – Part 1-211: Generic specification – Basic optical cable test procedures 1 Scope This part of IEC 60794 defines test procedures to measure the shrinkage of the sheath due to thermal exposure of cables. A first test method, F11A, is included for cables where the fibre or buffered fibre and the sheath of the...