Rechercher

1.1 This Standard applies to stationary, permanently connected, hot-water and steam boilers for use with nominal system voltages of 600 V and less, for residential, commercial, and industrial use in nonhazardous locations in...

1.1 This Standard applies to flexible metal conduit and liquid-tight flexible metal conduit, trade sizes 12 (3/8) to 103 (4), excluding 14 (7/16), intended for use as a metal raceway for the installation of conductors in...

1.1 This Standard applies to dc arc fault protective devices (DC-AFPDs) and devices incorporating arc fault circuit protection intended for use in direct current circuits in photovoltaic (PV) systems having a maximum voltage...

This Standard provides guidance for the application of electrical resistance trace heating systems in areas where explosive atmospheres may be present, with the exclusion of those classified as requiring EPL Ga/Da...

Note : L’OEN responsable a retiré cet avis d’intention le 2 février 2022. 1.1 This Standard provides specific design criteria for illumination in various locations within a health care facility. Note: Lighting is both an art...

1.1 This Standard applies to cords and cord sets intended for indoor use to electrically connect communication systems that have a normal operating voltage-to-ground of less than 150 V, and that are installed or used in...

1.1 The requirements of this Standard apply to materials, constructions, and testing of tree-retardant cross- linked polyethylene and ethylene propylene rubber-insulated single conductor or triplexed primary shielded and...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the check valve, a liquefied...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the manual valve, a liquefied...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the tank pressure gauge, a...

Note: Le champ de cet avis d’intention (publié pour la première fois le 1 mars 2022) a été mis à jour par l’OEN responsable le 21 avril 2022. This document specifies tests and requirements for the pressure relief valve (PRV)...

Interest in magnetic fields has been stimulated in recent years by concern over the physiological effects they may have on humans and animals and the deleterious effects they have on the performance of some electrical...