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Scope 1.1 This Standard describes the test procedures required to perform a 24 h simulated-use test. This Standard also provides the calculations required to determine the first-hour rating, maximum flow rate, recovery...

1.1 This Standard specifies requirements and test procedures to determine the performance of stationary electric signs that are hard wired. Note: Background information on the scope and objective of this Standard is provided...

1.1 This Standard applies to centrifugal pumps that require a driver-rated output of 373 W (1/2 hp) nominal up to and including 7.46 kW (10 hp) nominal. 1.2 This Standard specifies the method for testing centrifugal pumps to...

1.1 This Standard applies to centrifugal pumps that require a driver-rated output of 373 W (1/2 hp) nominal up to and including 7.46 kW (10 hp) nominal. 1.2 This Standard specifies the method for testing centrifugal pumps to...

1 Scope This part of IEC 61869 is a product family standard and covers only additional general requirements for low-power instrument transformers (LPIT) used for a.c. applications having rated frequencies from 15 Hz to 100 Hz...

This part of IEC 61000 is a basic EMC (electromagnetic compatibility) publication. It considers immunity tests for electric and/or electronic equipment in its electromagnetic environment. Only conducted phenomena are...

Note: The scope for this NOI (originally published on February 23, 2021) was updated by the responsible SDO on May 14, 2024. 1.1. This standard provides requirements to properly assess the thermal and mechanical performance...

This part of IEC 60079-29 specifies general requirements for construction, testing and performance, and describes the test methods that apply to portable, transportable and fixed apparatus for the detection and measurement of...

1.1 This Standard specifies requirements for three-phase live-front pad-mounted distribution transformer units that (a) consist of a transformer and a separable or integral cable entrance compartment (b) are rated 75 to 3000...

1.1 This Standard covers the electrical and mechanical characteristics of (a) round 1350 aluminum wires used before compacting in the construction of conductors; and (b) bare compact round aluminum stranded conductors...

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...

1.1 This Standard applies to the following products intended for use in accordance with CSA C22.1, Canadian Electrical Code, Part I: a) metal and nonmetallic junction boxes (of other than the swimming pool type); and b) pull...