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Affichage de 949 - 960 de 10608
Avis d'intention
Isolateurs composites rigides à socle pour lignes...
1.1 This Standard covers the requirements for line post composite insulators used on overhead distribution lines operating at nominal voltages up to and including 75 kV. Line post insulators support the line conductor...
Avis d'intention
Toilettes sans recirculation, toilettes à aspiration...
Scope 1.1 This Standard covers nonrecirculating toilets, vacuum toilets, and waste-holding tanks. For these products, this Standard specifies requirements for (a) design; (b) materials; (c) components; (d) construction and...
Avis d'intention
Toilettes chimiques, autonomes et à recirculation...
Scope 1.1 This Standard covers self-contained, recirculating, chemically controlled toilets and specifies requirements for (a) design; (b) materials; (c) components; (d) construction and finish; (e) testing; (f) installation...
Avis d'intention
Compendium des matériaux liants
1.1 This Standard addresses the following aspects of cementitious materials: (a) their definitions; (b) their chemical, physical, and uniformity requirements; (c) the tests required; (d) the procedures for inspection and...
Avis d'intention
Coupe-circuits polymériques de distribution
1.1 This Standard applies to open-type (fused and solid-blade) cutouts with a polymeric insulator structure component. These cutouts are intended for operation on alternating current distribution systems. 1.2 In some cases...
Avis d'intention
Éléments de chauffage
1.1 This Standard applies to: (a) heater elements for use in equipment that is intended to be connected to a supply of nominal system voltage of 600 V or less; and (b) those heater 1.2 This Standard applies to the following...
Avis d'intention
Rendement thermique des générateurs autonomes...
1.1 This Standard specifies test methods and performance criteria for determining the efficiency of package furnaces. 1.2 This Standard applies to package furnaces using a three-phase power supply with input rates less than...
Avis d'intention
Exigences particulières pour la sécurité de base...
Replacement: This particular standard applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of ELECTROCARDIOGRAPHS as defined in 201.3.63 intended by themselves or as a part of an ME SYSTEM, for the production of ECG REPORTS...
Avis d'intention
Technologies des piles à combustible - Partie...
This part of IEC 62282 provides the minimum requirements for safety and performance of fuel cell modules. This standard applies to fuel cell modules with the following electrolyte chemistry: - alkaline; - proton exchange...
Avis d'intention
Méthodes d'essai pour l'évaluation en laboratoire...
1.1.1 This Standard applies to packaged heat/energy-recovery ventilators (HRVs/ERVs) that consist of factory-assembled elements, including fans or blowers, in which heat or heat and moisture are transferred between two...
Avis d'intention
Récepteurs de radiodiffusion et de télévision...
This International Standard applies to the generation of electromagnetic energy from sound and television receivers for the reception of broadcast and similar transmissions and from associated equipment. The frequency range...
Avis d'intention
Transformateurs de distribution du réseau triphasé
1.1 This Standard specifies the mechanical and electrical characteristics of three-phase network distribution transformers having rated primary voltages up to 34.5 kV and kV-A ratings of 500 to 2500 Note: It is possible that...