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This standard is applicable to ac contactors applied at voltages in the range of 1 501V to 15kV, and metal-enclosed contactor-based controllers, control centers, and other control assemblies and associated equipment applied at voltages in the range of 751V to 15kV, designed for operation at frequencies of 50 or 60 Hz on three-phase systems. These requirements cover equipment intended for use…

IEC 61800-5-1:2022 specifies requirements for adjustable speed electrical power drive systems (PDS) or their elements, with respect to electrical, thermal, fire, mechanical, energy and other relevant hazards. It does not cover the driven equipment except for interface requirements. It applies to adjustable speed electrical PDS which include the power conversion, basic drive module (BDM)/complete…

1 Scope 1.1 This standard specifies the requirements for devices intended for positioning, which may include bundling, routing, locating, and securing of cable, wire, conduit, or tubing used in a wiring system in electrical installations in accordance with CSA C22.1, Canadian Electrical Code (CE Code), Part I, in Canada and the National Electrical Code (NEC), NFPA 70 in the United States of…

IEC 62055-42:2022, specifies a token generation mechanism and token structure for smart prepayment functionality in markets where IEC 62055-41 compliant systems are not used, and where a different security mechanism is required by project-specific or national requirements. This document specifies token structure, authentication and an anti-replay mechanism, token operating model, and protocol.…

This National Standard of Canada establishes a classification system and specifies physical property requirements. Test methods to determine the properties for each class of polyethylene sheet material are specified. This document covers a material intended to be used in building construction applications, that may be used above grade or in contact with the ground. The material can provide the…

1 Scope This clause of Part 1 is replaced by the following: This International Standard deals with the safety of the following appliances, their RATED VOLTAGE being not more than 250 V for single-phase appliances, 480 V for other appliances and 24 V DC for appliances when battery operated: – REFRIGERATING APPLIANCES for household and similar use; – ICE-MAKERS incorporating a motor-…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of gas, oil and solid-fuel burning appliances having electrical connections, for household and similar purposes, their rated voltage being not more than 750 V . This standard covers the electrical safety and some other safety aspects of these appliances. All safety aspects are…

1.1 These requirements cover heat-actuated, single and multiple station heat alarms intended for indoor installation in accordance with: a) In Canada: 1) The National Building Code of Canada, 2) The National Fire Code of Canada, b) In the United States: 3) The National Fire Alarm and Signaling Code, NFPA 72

This document specifies the general aspects of short glass fibre reinforced polyethylene (PE-sGF) piping systems, manufactured by the spiral cross winding method, which are used below ground for the conveyance of liquid fluids for the following industrial and agricultural uses: —    chemical plants; —    industrial sewerage engineering; —    power engineering (cooling and general-purpose water…

IEC 62055-31:2022 applies to newly manufactured, static watt-hour payment meters of accuracy classes 0,5, 1 and 2 for direct connection, for the measurement of alternating current electrical energy consumption of a frequency in the range 45 Hz to 65 Hz that include a supply control switch for the purpose of interruption or restoration of the electricity supply to the load in accordance with the…