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Affichage de 2461 - 2472 de 12023
Avis d'intention

Alimentations externes

1.1 General This Standard specifies a test method for calculating the energy efficiency of external power supplies (EPS) across a full range of load conditions. It covers single-voltage external ac-dc and ac-ac power supplies...
Avis d'intention

Audit de conformité environnementale

1.1 General This Standard establishes the principles and practices of an environmental compliance audit. It is intended to provide a consistent framework and minimum requirements for conducting ECAs in order to ensure that...
Avis d'intention

Régulateurs de pression d'appareils à gaz

1.1.1 Types of Regulators. This standard applies to individual gas appliance pressure regulators, which are not a part of a combination control (see Part V, Definitions), constructed entirely of new, unused parts and...