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This document defines terms related to round and sawn timber. It applies to identification of a tree and its components, stages of processing in round and sawn forms, and timber grading, dimensions, anatomical structure, features, moisture content and conditions relating to stain, fungal and insect attack. It does not apply to terms related to strength properties of wood, engineered timber…

IEC TR 62001-4:2021 is available as IEC TR 62001-4:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC TR 62001:2021, which is a Technical Report, provides guidance on the basic data of AC side filters for high-voltage direct current (HVDC) systems and their components such as ratings, power…

IEC TR 62001-4:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC TR 62001:2021, which is a Technical Report, provides guidance on the basic data of AC side filters for high-…

IEC 60601-2-41:2021 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of SURGICAL LUMINAIRES and LUMINAIRES FOR DIAGNOSIS, hereafter referred to as ME EQUIPMENT. If a clause or subclause is specifically intended to be applicable to ME EQUIPMENT only, or to ME SYSTEMS only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies…

IEC TR 62000:2021 is available as IEC TR 62000:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC TR 62000:2021 provides guidelines concerning single-mode fibre inter-compatibility. A given category of single-mode fibre, for example B-655, can have different implementations by suitably…

IEC 60958-3:2021 is available as IEC 60958-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio equipment defined in IEC 60958-1. IEC 60958-3:2021 cancels and replaces the third edition…

IEC 60958-3:2021 is available as IEC 60958-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60958-3:2021 specifies the consumer application of the interface for the inter-connection of digital audio equipment defined in IEC 60958-1. IEC 60958-3:2021 cancels and replaces the third…

1 Scope 1.1 Applicable equipment This Standard applies to newly produced direct gas-fired crop dryers of the recirculating or non- recirculating type, hereinafter referred to as “dryers”, the primary purpose of which is to provide process heating to dry farm crops. These dryers are used in non-occupied spaces and are constructed of non-combustible materials having input ratings of 20 000 000…

IEC 60958-1:2021 is available as IEC 60958-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60958-1:2021 describes a serial, uni-directional, self-clocking interface for the interconnection of digital audio equipment for consumer and professional applications. It provides the basic…

IEC 60958-1:2021 is available as IEC 60958-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60958-1:2021 describes a serial, uni-directional, self-clocking interface for the interconnection of digital audio equipment for consumer and professional applications. It provides the basic…