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Displaying 3013 - 3024 of 3797
Notice of Intent

Refrigerant-containing components for use in ...

1.1 This Standard applies to refrigerant-containing components that are intended to be used in field- installed refrigerating and/or air-conditioning systems in accordance with CSA B52 and that are charged with the...
Notice of Intent

Safety in welding, cutting, and allied processes

1.1 Objective 1.1.1 This Standard provides minimum requirements and recommendations to protect persons who work in an environment affected by welding, cutting, and allied processes from illness and injury and to prevent...
Notice of Intent

Switchgear assemblies

1.1 This Standard applies to deadfront indoor enclosed and outdoor enclosed assemblies of switchgear devices such as a) switches; b) interrupting devices; c) air circuit breakers; d) power circuit breakers; and e) control...
Notice of Intent

Clock-operated switches

1.1 This Standard applies to clock-operated switches, rated 600 V or less, designed to be used in ordinary locations to close and open circuits to a load at predetermined intervals, and intended to be employed in accordance...
Notice of Intent

Line isolation monitors

1.1 This Standard applies to line isolation monitors designed to be installed and used as an ancillary part of a single-phase isolated (ungrounded) power distribution system not exceeding 300 V in accordance with the rules of...
Notice of Intent

Energy Monitoring Equipment

1 Scope 1.1 These requirements cover submetering equipment and open and enclosed type current sensors intended for factory or field installation within the wiring space of enclosures for switches or overcurrent devices...
Notice of Intent

Developing and Interpreting Intensity-Duration...

Note: The scope for this NOI (originally published on May 2, 2023) was updated by the responsible SDO on November 19, 2024. 1.1 Inclusions This Standard applies to methods to formulate and interpret IDF curves in a climate...