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Avis d'intention

Équipement de conversion de puissance

1.1 This Standard applies to ac and dc type power conversion equipment (PCE) that a) is of dry or liquid-filled construction b) has a rated voltage not exceeding 1500 V c) is for commercial, industrial, and residential indoor...
Avis d'intention

Tuyaux de distributeur de GNL

1 Scope 1.1 This Standard applies to liquefied natural gas metallic hose assemblies which are used on LNG dispensers to connect the dispenser to the refueling nozzle and for gas lines which carry vented gas back to a safe...
Avis d'intention

Poteaux d'éclairage

1.1 This Standard applies to free-standing poles of ferrous metal, aluminum, polymeric, concrete, fibre reinforced structures, and wood, and to their accessories, for use in the support of lighting equipment having ratings of...
Avis d'intention

Code de réfrigération mécanique

.1 Purpose The purpose of this Standard is to minimize the risk of personal injury by providing minimum requirements for the design, construction, installation, inspection, and maintenance of the mechanical refrigeration...