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IEC 61386-21 - Conduit systems for cable management – Part 21: Particular requirements – Rigid conduit systems
April 1, 2021 - IEC

This part of IEC 61386 specifies the requirements for rigid conduit systems.

IEC 62920 - Photovoltaic power generating systems – EMC requirements and test methods for power conversion equipment
April 1, 2021 - IEC

This document specifies electromagnetic compatibility (EMC) requirements for power conversion equipment (PCE) (e.g. DC to DC, DC to AC and AC to DC) for use in photovoltaic (PV) power systems with or without DC-coupled electrical energy storage devices. The PCE covered by this document can be...

IEC 60974-11 - Arc welding equipment – Part 11: Electrode holders
April 1, 2021 - IEC

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.

IEC 61386-23 - Conduit systems for cable management – Part 23: Particular requirements – Flexible conduit systems
April 1, 2021 - IEC

Clause 1 of IEC 61386-1:2008 is applicable, except as follows: This part of IEC 61386 specifies the requirements for flexible conduit systems.

IEC 61386-21 REDLINE - Conduit systems for cable management – Part 21: Particular requirements – Rigid conduit systems
April 1, 2021 - IEC

This part of IEC 61386 specifies the requirements for rigid conduit systems.

IEC TS 60034-27-5 - Rotating electrical machines – Part 27-5: Off-line measurement of partial discharge inception voltage on winding insulation under repetitive impulse voltage
April 1, 2021 - IEC

This document provides an off-line measurement method of the partial discharge inception and extinction voltage on winding insulation under repetitive impulse voltage. This document is relevant to rotating machines supplied by a voltage source converter.

IEC 60794-4-30 - Optical fibre cables – Part 4-30: Aerial optical cables along electrical power lines – Family specification for optical phase conductor (OPPC) optical cables
April 1, 2021 - IEC

This part of IEC 60794, which is a family specification, specifies the optical fibre, cable elements, cable construction requirements, main requirements for installation and operating conditions, cable design characteristics and test for OPPC (optical phase conductor), used for carrying...

IEC 61386-23 REDLINE - Conduit systems for cable management – Part 23: Particular requirements – Flexible conduit systems
April 1, 2021 - IEC

Clause 1 of IEC 61386-1:2008 is applicable, except as follows: This part of IEC 61386 specifies the requirements for flexible conduit systems.

IEC TR 63042-303 - UHV AC transmission systems – Part 303: Guideline for the measurement of UHV AC transmission line power frequency parameters
April 1, 2021 - IEC

This part of IEC 63042 specifies measurement methods of UHV AC transmission line power frequency parameters. These measured parameters mainly include sequence parameters, mutual parameters between double-circuit lines, phase parameters and some other related parameters.

IEC 61386-22 - Conduit systems for cable management – Part 22: Particular requirements – Pliable conduit systems
April 1, 2021 - IEC

This part of IEC 61386 specifies the requirements for pliable conduit systems including self-recovering conduit systems.

IEC 60384-2 - Fixed capacitors for use in electronic equipment – Part 2: Sectional specification – Fixed metallized polyethylene-terephthalate film dielectric DC capacitors:
April 1, 2021 - IEC

This part of IEC 60384 applies to fixed capacitors for direct current, with metallized electrodes and polyethylene-terephthalate dielectric for use in electronic equipment. These capacitors have a possibility of "self-healing properties" depending on conditions of use. They are primarily...

IEC 60974-13 - Arc welding equipment – Part 13: Welding current return clamp
April 1, 2021 - IEC

This part of IEC 60974 is applicable to WELDING CURRENT RETURN CLAMPS for arc welding processes, designed to make an electrical connection to the workpiece without using tools. This document is not applicable to WELDING CURRENT RETURN CLAMPS for underwater welding and plasma cutting. This...

IEC 60773 - Rotating electrical machines – Test methods and apparatus for the measurement of the operational characteristics of brushes
April 1, 2021 - IEC

This document applies to test methods for the measurement of the operational characteristics of brushes designed to operate on commutating and slip ring machines under specified test conditions. By extension some tests may be relevant for other kinds of sliding electrical contacts for electrical...

IEC 60974-11 REDLINE - Arc welding equipment – Part 11: Electrode holders
April 1, 2021 - IEC

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.

IEC 60974-13 REDLINE - Arc welding equipment – Part 13: Welding current return clamp
April 1, 2021 - IEC

This part of IEC 60974 is applicable to WELDING CURRENT RETURN CLAMPS for arc welding processes, designed to make an electrical connection to the workpiece without using tools. This document is not applicable to WELDING CURRENT RETURN CLAMPS for underwater welding and plasma cutting. This...

IEC 60794-3-70 - Optical fibre cables – Part 3-70: Outdoor cables – Family specification for outdoor optical fibre cables for rapid/multiple deployment
April 1, 2021 - IEC

This part of IEC 60794 is a family specification that covers outdoor optical fibre cables intended for rugged terrestrial rapid/multiple deployment. These cables, with enhanced mechanical, environmental and ingress performance can be used wherever a rapid or multiple deployment is relevant...

IEC 61386-22 REDLINE - Conduit systems for cable management – Part 22: Particular requirements – Pliable conduit systems
April 1, 2021 - IEC

This part of IEC 61386 specifies the requirements for pliable conduit systems including self-recovering conduit systems.

IEC 61587-6 - Mechanical structures for electrical and electronic equipment – Tests for IEC 60917 and IEC 60297 series – Part 6: Security aspects for indoor cabinets
April 1, 2021 - IEC

This part of IEC 61587 specifies security aspects and security performance levels of the mechanical construction of indoor cabinets in accordance with IEC 60917 (all parts) and IEC 60297 (all parts). This document does not address vandalism. NOTE Protection against vandalism is...

IEC 61753-111-08 - Fibre optic interconnecting devices and passive components – Performance standard – Part 111-08: Sealed closures for category G – Ground
April 1, 2021 - IEC

This part of IEC 61753 contains the minimum tests, test severities and measurement requirements which a sealed fibre optic closure need to meet in order to be categorised as meeting the IEC standard for category G - Ground, as defined in Table A.14 of IEC 61753-1:2018. Free...

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