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1. SCOPE 1.1 This Standard sets forth requirements for smoke-alarms, single- and multiple-station type, rated 120 V or less, intended for open area protection in ordinary indoor locations. 1.2 A smoke-alarm, as defined by these requirements, is a self-contained unit which consists of an assembly of electrical components including a smoke chamber, alarm-sounding appliance, and…

Sets forth the minimum technical requirements for terminal equipment (TE), network protection devices and systems.

Provides performance and compatibility requirements for telephone sets intended for direct tip and ring connection to Central Office (CO) or Private Branch Exchange (PBX) lines.

1. Scope 1.1 This Standard applies to structures and hoists that are not a permanent part of buildings, structures, or other works, and that are used during construction, alteration, or demolition to raise and lower persons and/or materials connected with or related to a building project. 1.2 This Standard covers the design, construction, installation, operation, and acceptance…

This National Standard of Canada is equivalent to International Standard ISo 8073-1986. 1. Scope and field of application This International Standard specifies a) five classes of procedures: 1) class 0: simple class; 2) class 1: basic error recovery class; 3) class 2: multiplexing class; 4) class 3:…

Specifies the basic dimensional and access clearance requirements for pressure connections on pressurized aircraft for coupling with the hose unit or adaptor of ground pressurizing equipment. Three sizes of connection are specified 22,22 mm, 46,04 mm and 72,39 mm for the recommended cabin volumes: not exceeding 1O m^3, 1O to 45 m^3 and 45 to 170 m^3.

Covers the construction and performance of assembled appliance connectors intended for use with gas-fired commercial cooking equipment that may be mounted on casters or otherwise be subject to movement for cleaning, and for use with other large and heavy gas-fired equipment that may be moved.

1. Scope 1.1 This Standard applies to structures and hoists that are not a permanent part of buildings, structures, or other works and that are used during construction, alteration, or demolition to raise and lower materials connected with or related to a building project. 1.2 This Standard covers the design, construction, installation, operation, and acceptance inspection and testing…

Applies to lead-acid cells and batteries which are designed for service in a fixed location (i.e. not habitually to be moved from place to place) and which are permanently connected to the load and to the d.c. power supply.

S'applique aux éléments et batteries stationnaires au plomb destinés à être exploités dans des installations à poste fixe (c'est-à-dire n'étant pas prévus pour être habituellement changés de place) et connectés en permanence à une charge et à une source de courant continu.