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1 Scope This part of IEC 61243 is applicable to hand-held two-pole voltage detectors with their accessories (crocodile clips and detachable leads) to be used in contact with parts of electrical systems: – for a.c. voltages not exceeding 1 000 V at nominal frequencies between 16 2 3 Hz and up to 500 Hz, and/or – for d.c. voltages not exceeding 1 500 V. NOTE The a.c. voltages defined in…

1 Scope This International Standard is applicable to electrical insulating sleeves for the protection of workers from accidental contact with live electrical conductors, apparatus or circuits. The products designed and manufactured according to this standard contribute to the safety of the users provided they are used by skilled persons, in accordance with safe methods of work and the…

1 Scope This International Standard is applicable to electrical insulating gloves and mitts that provide protection of the worker against electric shock. Unless otherwise stated, the use of the term “glove” includes both gloves and mitts. This standard also covers electrical insulating gloves with additional integrated mechanical protection referred to in this document as “composite gloves”. The…

1.1 There is a commentary available for this Clause. This Standard covers the design, construction, operation, maintenance, deactivation, and abandonment of oil and gas industry pipeline systems that convey a) liquid hydrocarbons, including crude oil, multiphase fluids, condensate, liquid petroleum products, natural gas liquids, and liquefied petroleum gas; b) oilfield water; c) oilfield…

1.1 This Standard applies to manually operated and mechanically operated special use switches that are a) for use on dc, ac/dc, or ac only; and b) rated at not more than i) 60 A at 250 V or less; or ii) 30 A or 2 hp at 600 V or less and intended for use in accordance with the Canadian Electrical Code, Part I. 1.2 This Standard does not apply to a) switches forming parts either of…

1.1 This Standard applies to electric supply and communication lines and equipment located entirely outside of buildings and fenced supply stations. 1.2 Existing installations (including maintenance replacements and maintenance alterations) meeting the original designs that currently comply with prior editions of this Standard, need not be modified to comply with this edition of the Standard,…

1.1 These requirements cover nonmetallic raceways and fittings. These products are for use as surface wiring systems in accordance with the Rules of the Canadian Electrical Code, Part 1, and NFPA 70, National Electrical Code. 1.2 Raceways that are all nonmetallic and of any thickness are intended to enclose circuits operating at potentials not exceeding 600 V between conductors. 1.3…

La présente partie de l'ISO 23328 présente une méthode d'essai d'exposition à court terme à des particules de chlorure de sodium en suspension dans l'air, visant à évaluer les performances de filtration des filtres pour systèmes respiratoires (BSF) prévus pour la filtration des gaz respirés par les êtres humains. La présente partie de l'ISO 23328 est applicable aux BSF…

1.1 This Standard specifies design, testing, and marking requirements for manufactured fall arresters and fixed vertical rigid rails that are used on a vertical or sloped plane. 1.2 The equipment specified in this Standard is intended for use where there is a danger of falling from heights. In the event of fall, the fall arrester will lock on the fixed vertical rigid rail to arrest the fall…

1.1 La méthode d’essai décrite dans cette norme établit la résistance au vent d’un assemblage de toiture végétalisée modulaire lorsqu’il est soumis à des écoulements d’air dynamiques et des cycles de charges dynamiques dus au vent dans des conditions de laboratoire. 1.2 Les essais effectués conformément à la méthode décrite dans cette norme s’appliquent aux systèmes végétalisés modulaires…