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DS/EN 50522 - Earthing of power installations exceeding 1 kV a.c.
January 6, 2011 - DS

This European Standard is applicable to specify the requirements for the design and erection of earthing systems of electrical installations, in systems with nominal voltage above 1 kV a.c. and nominal frequency up to and including 60 Hz, so as to provide safety and proper functioning for the use...

DSF/FPREN IEC 62053-24 - Electricity metering equipment – Particular requirements – Part 24: Static meters for fundamental component reactive energy (classes 0, 5S, 1S, 1, 2 and 3)
DS

This part of IEC 62053 applies only to newly manufactured static var-hour meters of accuracy classes 0,5S, 1S, 1, 2 and 3 for the measurement of alternating current electrical reactive energy in 50 Hz or 60 Hz networks and it applies to their type tests only. This standard uses a conventional...

DSF/PREN IEC 62053-24 - Electricity metering equipment (a.c.) – Particular requirements – Part 24: Static meters for reactive energy at fundamental frequency (classes 0,5 S, 1S, 1, 2 and 3)
DS

This part of IEC 62053 applies only to newly manufactured static var-hour meters of accuracy classes 0,5S, 1S, 1, 2 and 3 for the measurement of alternating current electrical reactive energy in 50 Hz or 60 Hz networks and it applies to their type tests only. This standard uses a conventional...

CSA C22.2 NO 60335-2-68 - Household and similar electrical appliances — Safety — Part 2-68: Particular requirements for spray extraction machines, for commercial use
January 1, 2020 - CSA

This International Standard deals with the safety of electrical portable, non-self-propelled motor-operated SPRAY EXTRACTION MACHINES with or without attachments and with or without electrical heating elements, intended for commercial indoor use. NOTE 101 This standard applies to machines for...

CSA C22.2 NO 60335-2-67 - Household and similar electrical appliances - Safety - Part 2-67: Particular requirements for floor treatment machines, for commercial use
January 1, 2017 - CSA

This International Standard deals with the safety of powered floor treatment machines intended for commercial indoor or outdoor use for the following applications: - scrubbing, - wet or dry pick-up, - polishing and dry buffing, - application of wax, sealing products and powder based...

IEC 62053-24 - Electricity metering equipment – Particular requirements – Part 24: Static meters for fundamental component reactive energy (classes 0,5S, 1S, 1, 2 and 3)
June 1, 2020 - IEC

This part of IEC 62053 applies only to static var-hour meters of accuracy classes 0,5 S, 1 S, 1, 2 and 3 for the measurement of alternating current electrical reactive energy in 50 Hz or 60 Hz networks and it applies to their type tests only. This document uses a conventional definition of reactive...

CSA W59.2 - Welded aluminum construction
January 1, 2018 - CSA

This Standard specifies the requirements for all types of welded aluminum construction with the exception of those types listed in Clause 1.2. Common requirements that are essential to all structures, including statically-loaded structures and cyclically-loaded structures, are included in this...

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