Mechanical standardization of semiconductor devices - Part 2: Dimensions
Contains more than 220 standard sheets covering device outline drawings and the types of semiconductor devices generally mounted in the packages. Published in the IEC since 1966, the drawings given in this publication represent the unification of national standards. The database version of this publication avails the standard sheets in PDF format and it also provides search facilities for easy…
Graphical symbols for diagrams - 12-month subscription to regularly updated online database comprisi...
IEC 60617:2012 DB contains graphical symbols for use in electrotechnical diagrams. Parts 2 to 13 of IEC 60617 have been incorporated into a database that currently includes some 1900 symbols. The database is the official source of IEC 60617. It replaces parts 2 to 13 of the previous published version (edition 2) of IEC 60617. The following areas are covered in the database: Conductors and…
Safety of transformers, reactors, power supply units and combinations thereof — Part 2-1: Particular...
1 Scope
Replacement
This part of IEC 61558 deals with the safety of separating transformers for general
applications and power supply units incorporating separating transformers for general
applications. Transformers incorporating electronic circuits are also covered by this
document.
NOTE 1 Safety includes electrical, thermal and mechanical aspects.
Unless otherwise specified, from here…
Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440:22, NAFS-22 — North American Fenestration Standa...
1 Scope
1.1
This Supplement is for use in conjunction with AAMA/WDMA/CSA 101/I.S.2/A440-17:22 and contains additional requirements for Canada.
1.2
This Supplement provides simplified methods to calculate the minimum performance levels for resistance to water penetration, wind loads, and snow loads for fenestration products on buildings in Canada.
This Supplement includes a simplified…
1 Scope
1.1 The requirements of this Standard apply to manually operated, general-use snap switches and
modular switch assembly for connection to copper (Cu) or copper-clad conductors used in accordance
with the National Electrical Code (NEC), NFPA 70, the Canadian Electrical Code (CE Code), Part I, or
NOM-001-SEDE and intended to be permanently connected in accordance with the NOM-001-SEDE…
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-2-21:2017+AMD1:2024 CSV applies to hand-held drain cleaners (drain cleaners are also known as pipe cleaners) the rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.c. tools. The rated input is not more than 3 700 W. The limits for the applicability of this standard for battery tools are given in K.1 and L.1. This standard deals with the…
Scope
1.1 These requirements cover the construction and performance, exclusive of performance during fire
tests, of portable dry chemical and dry powder (Class D) fire extinguishers. Dry chemical and dry powder
fire extinguishers are intended to be utilized in accordance with the Standard for Portable Fire
Extinguishers, NFPA 10 and with the National Fire Code of Canada.
1.2 The requirements…
Domaine d’application
1.1 Ces exigences concernent la structure et les performances, excluant les performances pendant les
essais de tenue au feu, des extincteurs portables à poudre sèche (classe D). Les extincteurs à poudre
sèche sont conçus pour être utilisés conformément à la norme NFPA 10, Standard for Portable Fire
Extinguishers, et au Code national de prévention des incendies – Canada…
Household and similar electrical appliances - Safety - Part 2-75: Particular requirements for commer...
IEC 60335-2-75:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 60335-2-75:2024 EXV includes the content of the references made to IEC 60335-1:2020.
IEC 60335-2-75:2024 deals with the safety of electric…
Household and similar electrical appliances - Safety - Part 2-75: Particular requirements for commer...
IEC 60335-2-75:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-75:2024 edition 4.0 and the previous IEC 60335-2-75:2012+AMD1:2015+AMD2:2018 CSV edition 3.2. Furthermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes…