Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-3-1:2014+A1:2021 applies to transportable table saws with:
- a toothed single blade; or
- stacked blades that cut a single groove or slot; or
- a moulding head cutter intended for cutting wood and analogous materials, plastics and nonferrous metals except magnesium with a saw blade diameter between 105 mm and 315 mm, which hereinafter may simply be referred to as saw or tool. The…
Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specificatio...
IEC 61800-2:2021 applies to adjustable speed electric AC power drive systems, which include semiconductor power conversion and the means for their control, protection, monitoring, measurement and the AC motors.
It applies to adjustable speed electric power drive systems intended to feed AC motors from a BDM or CDM connected to line-to-line voltages up to and including 35 kV AC 50 Hz or 60 Hz and…
Entraînements électriques de puissance à vitesse variable - Partie 2: Exigences générales - Spécific...
L’IEC 61800-2:2021 s’applique aux entraînements électriques de puissance à vitesse variable en courant alternatif, incluant les convertisseurs à semiconducteurs et les moyens permettant de les commander, de les protéger, de les surveiller, de les mesurer, ainsi que les moteurs à courant alternatif.
Elle s’applique aux entraînements électriques de puissance à vitesse variable destinés à alimenter…
Fibre optic communication subsystem test procedures - Part 2-8: Digital systems - Determination of l...
IEC 61280-2-8:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61280-2-8:2021 specifies two main methods for the determination of low BER values by making accelerated…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-2-10:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61300-2-10:2021 evaluates the effect of loads which is possible to occur when fibre optic devices are exposed…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-2-10:2021 evaluates the effect of loads which is possible to occur when fibre optic devices are exposed to critical situations such as being stepped on, being run over by vehicle tyres, when an evenly-distributed static load is applied to the top surface of a street cabinet or when a load is applied to a street cabinet's open door. This third edition cancels and replaces the second…
Three-phase, pad-mounted distribution transformers with separable insulated high-voltage connectors
1 Scope
1.1
This Standard specifies the requirements for three-phase, pad-mounted distribution transformers,
consisting of a transformer and a cable entrance compartment with provision for separable insulated
high-voltage connectors, intended primarily for operation by electric utilities on three-phase
underground distribution systems having primary voltages as shown in Clause 4.6.
1.2…
1 Scope
1.1 This Standard applies to nonmetallic or composite mechanical protection tubing (MPT), and
nonmetallic, composite or metallic fittings, and clamps used for the support, routing and mechanical
protection of conductors, wires, and cables. The MPT, fittings, and clamps are intended to be used to
interconnect separate component assemblies or consoles of electrical devices, such as…
1 Scope
1.1 This Standard applies to luminaires for use in non-hazardous locations and that are intended for
installation on branch circuits of 600 V nominal or less between conductors in accordance with the
Canadian Electrical Code, Part I (CEC), CSA C22.1, with the U. S. National Electrical Code (NEC),
ANSI/NFPA 70, and with the Mexican National Electrical Code, NOM-001-SEDE.
1.2 This…
Thermosyphon foundations for buildings in permafrost regions
1 Scope, objectives, and application
1.1 Scope
This Standard provides requirements for all life cycle phases of thermosyphon foundations for new
buildings on permafrost, including site characterization, design, installation, and commissioning phases
as well as for monitoring and maintenance phases. This Standard is meant to ensure the long-term
performance of thermosyphon-supported…