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Affichage de 8521 - 8532 de 9004
Avis d'intention
Kits d'adaptation pour la conversion de luminaires
1.1 This Standard covers the minimum safety requirements for retrofit kits intended to be installed as an alternate source of illumination in previously installed luminaires that already comply with the requirements of CSA...
Avis d'intention
Équipement de conversion de puissance
1.1 This Standard applies to ac and dc type power conversion equipment (PCE) that a) is of dry or liquid-filled construction b) has a rated voltage not exceeding 1500 V c) is for commercial, industrial, and residential indoor...
Avis d'intention
Sécurité électrique au travail
1.1 General This Standard specifies requirements for workplace electrical safety necessary for the practical safeguarding of workers during activities such as the installation, removal, inspection, operation, maintenance, and...
Avis d'intention
Compatibilité électromagnétique (CEM) - Partie...
This part of IEC 61000 defines test methods for immunity to ripple at the d.c. input power port of electrical or electronic equipment. This Standard is applicable to low-voltage d.c. power ports of equipment supplied by...
Avis d'intention
Rendement énergétique des ballasts pour lampes...
1.1 This Standard applies to all ballasts for high-intensity discharge (HID) and low-pressure sodium (LPS) lamps intended to operate with an input line frequency of 60 Hz. Note: Safety requirements for ballasts are provided...
Avis d'intention
Sécurité des machines - Distances de sécurité...
This document establishes values for safety distances in both industrial and non-industrial environments to prevent machinery hazard zones being reached. The safety distances are appropriate for protective structures. It also...
Avis d'intention
Industries du pétrole et du gaz naturel — Évaluation...
This part of ISO 19905 specifies requirements and guidance for the site-specific assessment of independent leg jack-up units for use in the petroleum and natural gas industries. It addresses: a) manned non-evacuated, manned...
Avis d'intention
Transformateurs de puissance et bobines d'inductance
1.1 This Standard, except as noted in Clause 1.2, applies to all liquid-filled transformers, autotransformers, booster transformers, load-tap-changing transformers, grounding transformers, phase-shifting transformers, series...
Avis d'intention
Coordination de l'isolement - Partie 2: Guide...
This part of IEC 71 constitutes an application guide and deals with the selection of insulation levels of equipment or installations for three-phase electrical systems. Its aim is to give guidance for the determination of the...
Avis d'intention
Systèmes de tuyauterie en polyéthylène (PE) pour...
1.1 This Standard covers polyethylene (PE) pipe, tubing, and fittings for use in gas mains and services, including gathering, transmission, and distribution of fuel gases containing not more than 1% aromatic hydrocarbons. 1.2...
Avis d'intention
Systèmes de tuyauterie en polyamide (PA) pour...
1.1 This Standard covers polyamide (PA) pipe, tubing, and fittings for use in gas mains and services, including the gathering, transmission, and distribution of gases that can contain aromatic hydrocarbons. 1.2 This Standard...
Avis d'intention
Systèmes de tubes en polyéthylène de résistance...
1.1 This Standard specifies requirements for polyethylene of raised temperature (PE-RT) tubing systems that comprise tubing and fittings. Tubing covered by this Standard is made in Standard Dimensional Ratio 9 (SDR 9)...
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