Rechercher

1.1 These requirements cover individually enclosed air switches, rated 4000 A or less at 600 V or less, having all current-carrying parts enclosed, manually operable by means of external handles, and intended to be employed in accordance with the national installation codes listed in Annex A, Ref. No. 1. 1.2 As used in this Standard, the term switch is intended to mean an enclosed switch or…

1 SCOPE 1.1 This Standard sets forth the minimum requirements for the adaptation of tanks or tank assemblies for the collection, storage and removal of used oil. 1.2 The stationary installation and use of used oil tank assemblies, may be covered by the requirements of the authority having jurisdiction and may include by reference, but not limited to the following: A National Fire Code of…

ISO 6926:2016 specifies the acoustical performance requirements for reference sound sources: - temporal steadiness (stability) of the sound power output; - spectral characteristics; - directivity. Temporal steadiness is defined in terms of the standard deviation of repeatability (see 5.2). The spectral characteristics can be verified in either a hemi-anechoic room or a…

ISO 8769:2016 specifies the characteristics of reference sources of radioactive surface contamination, traceable to national measurement standards, for the calibration of surface contamination monitors. This International Standard relates to alpha-emitters, beta-emitters, and photon emitters of maximum photon energy not greater than 1,5 MeV. It does not describe the procedures involved in the use…

1 SCOPE 1.1 This Standard sets forth the minimum requirements for steel contained tank assemblies that are used for aboveground storage of flammable and combustible liquids such as gasoline, fuel oil, or similar products with a relative density not greater than 1.0. 1.2 This Standard does not cover requirements for accessory devices and appurtenances such as overfill protection, spill…

1 SCOPE 1.1 This Standard sets forth minimum requirements for emergency valves that are intended to be used for the control of flammable and combustible liquids which are handled at temperatures within the range of -40 °C to +50 °C. 1.2 The valves are of the type used in motor fuel dispensing equipment and associated piping systems. 1.3 Valves covered under these requirements are newly…

1 Scope 1.1 These requirements apply to speakers, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or outdoor installation: a) In Canada, in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with CAN/ULC S524, Standard Installation of Fire Alarm Systems. Note: Refer to CAN/ULC-S525, Standard…

1 Domaine d’application 1.1 La présente norme s’applique aux haut-parleurs d’une tension nominale égale ou inférieure à 300 V prévus pour les installations intérieures et extérieures de dispositifs de signalisation sonore des réseaux avertisseurs d’incendie : a) conformes, au Canada, à la norme CSA C22.1, Code canadien de l’électricité, première partie, Norme de sécurité relative aux…

1 Domaine d’application 1.1 Cette norme énonce les exigences relatives aux détecteurs de fumée et accessoires, y compris les dispositifs de protection mécaniques devant être utilisés dans des emplacements intérieurs ordinaires, conformément aux normes et aux codes suivants : Aux États-Unis : a) National Fire Alarm and Signaling Code, NFPA 72. Au Canada : b) Norme sur l’installation des…

1 Domaine d’application 1.1 La présente norme s’applique aux dispositifs à signal visuel prévus pour une installation intérieure ou extérieure : a) conformes, au Canada, à la norme CSA C22.1, Code canadien de l’électricité, première partie, Norme de sécurité relative aux installations électriques, et à la norme CAN/ULC-S524, Norme sur l’installation des systèmes d’alarme incendie. Pour…