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Affichage de 121 - 132 de 1034
Avis d'intention
Calcul de la résistance mécanique des éléments...
1.1 This Standard applies to the design of aluminum alloy members and assemblies intended to carry a known load. 1.2 This Standard specifies requirements for the design of members to meet the requirements of the National...
Commutateurs de transfert de moyenne tension
These requirements cover automatic, non-automatic and manual transfer switches operating at voltages of 1000 V ac and higher, and intended for use in ordinary locations to provide for power as follows, a) Automatic transfer...
Les commutateurs de transfert moyenne tension
1 Scope 1.1 These requirements cover automatic, non-automatic, and manual transfer switches, operating at voltages of 1000 V ac and higher, and intended for use in ordinary locations to provide for power as follows: a)...
Avis d'intention
Norme sur les avertisseurs de fumée
Les normes CAN / ULC-S531 et ANSI / UL 217 sont fusionnées en une seule norme binationale pouvant être utilisée pour le Canada et les États-Unis. Bien que les normes aient des exigences presque identiques, certaines sont...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues – Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Appareils électrodomestiques et analogues - Sécurité...
This clause of part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other...
Avis d'intention
Norme sur les détecteurs de fumée pour les systèmes...
La quatrième édition de la norme CAN/ULC-S529 : 2016, publiée en janvier 2016, énonce les exigences relatives aux détecteurs de fumée et accessoires, y compris les dispositifs de protection mécaniques devant être utilisés...
Contacteurs de moyenne tension à courant alternatif, des contrôleurs et des centres de contrôle
This Standard is applicable to ac contactors with rated voltages of 1501 to 7200 V, and metal-enclosed contactor-based controllers, control centres, and other control assemblies and associated equipment with rated voltages of...
Avis d'intention
Éclairage et marquage du matériel agricole circulant...
This Standard is a Canadian adoption without modification of the identically titled ANSI/ASAE (American National Standards Institute/American Society of Agricultural Engineers) Standard S279.17 JUL2013 that provides...
Avis d'intention
Qualification pour la sûreté de fonctionnement...
Scope and object This part of IEC 61730 describes the fundamental construction requirements for photovoltaic (PV) modules in order to provide safe electrical and mechanical operation during their expected lifetime. Specific...