Low-voltage switchgear and controlgear - Part 4: Contactors and motor-starters - Section 2: AC semic...
This standard applies to controllers and starters, which may include a series mechanical switching device, intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c.
This standard applies to track systems for ordinary interior use with two or more poles and with provision for earthing (Class 1), with a rated voltage not exceeding 440 V between poles (live conductors), rated frequency not exceeding 60 Hz and a rated current not exceeding 16 A per conductor for the connection of luminaires to the electrical supply.
Applies to ID connections which are accessible for tests and measurements, and which are made with:
- appropriately designed ID terminations
- wires having solid round conductors of 0,25 mm to 3,6 mm nominal diameter
- wires having stranded conductors of 0,05 mm2 to 10 mm2 cross-section.
1. Scope
1.1 The requirements of this Standard apply to Grades A and B acrylic-polymer-coated, silicone-polymer-coated, or vinyl- polymer-coated electrical sleeving that consists of closely woven fabric made from glass and intended for use in equipment designed to be installed and used in accordance with the rules of th e Canadian Electrical Code, Part I (CEC), or the ANSI/NFPA 70 National…
Optics and optical instruments — Optical transfer function — Definitions and mathematical relationsh...
Defines terms relating to the optical transfer function and indicates, where pertinent, the mathematical relationships between those terms. Defines also important parameters that should be specified in connection with optical transfer function testing.
This is a searchable PDF.
1.1 Scope
1.1.1 This standard applies to newly produced outdoor cooking gas appliances (see Part IV, Definitions), constructed entirely of new, unused parts and materials. Outdoor cooking gas appliances submitted for examination under this standard shall be classified as either portable or stationary.
1.1.2 This standard does not apply to outdoor…
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-0...
Applies to electrically powered laboratory atomic spectrometers with thermal atomization, including atomic absorption spectrometers, emission flame photometers, atomic fluorescence spectrophotometers, inductively coupled plasma spectrometers, microwave coupled plasma spectrometers, and mass spectrometers, all with thermal atomization and ionization (including tubing and connectors which are…
1. Scope
1.1 These requirements apply to the following stationary equipment for use in nonhazardous locations rated 7200 V or less, single- or 3-phase, and remote control assemblies for such equipment.
(a) Heat pumps, for heating and cooling with or without factory or field-installed electric resistance heaters, or hot water or steam heating coils.
(b) Air conditioners for cooling…
1. Domaine d'application
1.1 Cette norme s'applique au matériel fixe de tension nominale, monophasée ou triphasée, inférieure ou égale à 7200 V, destiné à être utilisé dans des emplacements non dangereux, qui sont énumérés ci-dessous ainsi qu'aux commandes à distance qui s'y rattachent:
(a) pompes à chaleur destinées au chauffage et au refroidissement, avec ou…
Gas mixers for medical use — Stand-alone gas mixers
Gives requirements for the performance and safety of stand-alone gas mixers intended for medical use and for connection to a medical gas supply system.
