Rechercher

Scope 1.1 These requirements apply to speakers, rated at 300 V or less, for fire alarm and signaling systems intended for indoor and/or outdoor installation: a) In Canada only: in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, and with ULC-S524, Standard for Installation of Fire Alarm Systems. b) In the United States only: in…

Domaine d’application 1.1 La présente norme s’applique aux haut-parleurs d’une tension nominale égale ou inférieure à 300 V prévus pour les installations intérieures et extérieures de réseaux avertisseurs d’incendie et systèmes de signalisation : a) Au Canada seulement : conformes à la norme CSA C22.1, Code canadien de l’électricité, première partie, Norme de sécurité relative aux…

IEC 61820-3-4:2023 specifies protective provisions for the operation of lamp systems powered by series circuits in aeronautical ground lighting. The protective provisions described here refer only to secondary supply systems for loads that are electrically separated from the series circuit. This document specifies the level of SELV, and alternatively PELV, under consideration of additional…

This document specifies the requirements and test methods for sterilized absorbent points used in endodontic procedures. Absorbent points are marketed sterilized or non-sterilized. The requirements apply to absorbent points which have been sterilized once in a manner approved by the manufacturer. This document specifies numerical systems and a colour-coding system for designating the sizes of…

1 Domaine d’application 1.1 Cette norme s’applique aux conduits métalliques rigides en acier (ERMC-S) ainsi qu’à leurs coudes, raccords et mamelons, destinés à la fabrication des canalisations métalliques pour fils et câbles conformément à la CSA C22.1, Code canadien de l’électricité, Première partie, à la NOM-001-SEDE, Standard for Electrical Installations et à la NFPA 70, National…

Scope 1.1 This standard applies to electrically operated bells, sirens, horns, and similar audible signaling devices, rated at 300 V or less, for fire alarm and signaling systems and intended for indoor and/or outdoor installation: a) In Canada only: in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with ULC-S524, Standard for…

Scope 1.1 This Standard applies to visual signaling devices intended for indoor and/or outdoor installation: a) In Canada only: in accordance with CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations; and with ULC-S524, Standard for Installation of Fire Alarm Systems. b) In the United States only: in accordance with the National Electrical Code, NFPA 70,…

IEC 61744:2023 provides standard procedures for the calibration of optical fibre chromatic dispersion (CD) test sets. This document is applicable to all types of CD test sets, with the exception that measurements on multimode optical fibres are excluded. The purpose of this document is to define a standard procedure for calibrating optical fibre chromatic dispersion (CD) test sets. The detailed…

Scope 1.1 Organization and content This National Standard of Canada sets out requirements for the design, manufacture, maintenance, qualification, selection and use of ton containers used in the handling, offering for transport or transport of dangerous goods of Classes 2, 3, 4, 5, 6.1, 8 and 9. This standard does not apply to large means of containment that are used exclusively for non-…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electric cleaning appliances for household use that are intended for cleaning surfaces such as windows, walls and empty swimming pools by using liquid cleansing agents or steam, their rated voltage being not more than 250 V. It also covers wallpaper strippers. NOTE 101 Appliances…