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Avis d'intention

Régulateurs de pression de ligne

Details test and examination criteria for line pressure regulators, either individual or in combination with over pressure protection devices intended for application in natural gas piping systems between the service...
Avis d'intention

Supports isolants en céramique ou en verre

1.1 This Standard specifies the mechanical, dimensional and electrical requirements for ceramic and glass type station post insulators for indoor or outdoor service in electrical installations or equipment operating with a...
Avis d'intention

Méthodes d'essai des supports isolants

1.1 This Standard specifies the test methods to be used for determining the characteristics of station post insulators. 1.2 Individual tests shall be made only when specified. 1.3 This Standard covers tests applicable to...