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ISO 25178-71:2017 defines Type S1 and Type S2 software measurement standards (etalons) for verifying the software of measuring instruments. It also defines the file format of Type S1 software measurement standards for the calibration of instruments for the measurement of surface texture by the areal method as defined in the areal surface texture chain of standards, chain link G. NOTE…

1.1 Introduction 1.1.1 The purpose of this standard is to provide minimum requirements for the design, construction, and marking of electrical equipment or parts of such equipment for use in Class I and Class II, Division 2 and Class III, Divisions 1 and 2 hazardous (classified) locations. 1.1.2 This equipment, in normal operation, is not capable of causing ignition of the surrounding…

1.1 This Standard applies to motor-operated vacuum cleaners and blower cleaners, floor sweepers, and to household use floor finishing machines to be employed in accordance with C22.1, C22.2 No. 0, and ANSI/NFPA 70. 1.2 These requirements cover: a) Household, commercial, and coin-operated vacuum cleaning machines and blower cleaners, intended for indoor or outdoor use or both; b) Household,…

1.1 This Standard applies to surge protective device (SPD) components designed to mitigate the effects of transient overvoltages and surge events and intended for use in surge protective devices (SPDs) or in non-SPD applications. 1.2 SPD Components containing integral thermal devices are within the scope of this Standard. 1.3 Components include but are not limited to metal oxide varistors (…

This clause of Part 1 is replaced by the following. This International Standard deals with the safety of powered ride-on and powered WALK-BEHIND MACHINES intended for commercial indoor or outdoor use for the following applications: – sweeping, – scrubbing, – wet or dry pick-up, – polishing, – application of wax, sealing products and powder based detergents, – shampooing of floors with an…

1.1 The requirements of this standard cover holders and connectors for electric lamps, including incandescent, fluorescent, and other electric-discharge-type lamps, rated as indicated in Clause 6, to be used in accordance with the Canadian Electrical Code (CEC), Part I, C22.1, and the National Electrical Code (NEC), ANSI/NFPA 70. 1.2 These requirements cover screw lampholders, including those…

1.1 General This Standard covers steel valves primarily intended for use in oil or gas pipeline systems. The following types of valves are covered: a) gate valves; b) plug valves; c) ball valves; and d) check valves. 1.2 Size, nominal pressure class, and category 1.2.1 Size This Standard covers valves in sizes from NPS 2 to NPS 60. (See Table A.1.) 1.2.2 Nominal pressure class This…

1.1 This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a) for use with natural gas; b) for use with manufactured gas; c) for use with mixed gas; d) for use with…

1.1 This Standard applies to newly produced, large automatic storage water heaters having input ratings above 75,000 Btu/hr (21 980 W), instantaneous water heaters, circulating water heaters including booster water heaters (see Clause 3, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a) for use with natural gas; b…

IEC TS 60079-46:2017 specifies requirements for the design, construction, assembly, testing, inspection, marking, documenting and assessment of equipment assemblies for use in explosive atmospheres under the responsibility of the manufacturer of the equipment assembly. The requirements of this document apply to individual items according to the IEC 60079 series or ISO 80079 series that comprise…