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Full Description

1. Scope

1.1

This part of IEC 79 prescribes the specific requirements for the design, construction, testing, and marking of electrical apparatus and electrical systems with type of protection ""i"". It also contains requirements for associated apparatus that is not protected for use within an explosive gas atmosphere but contains both intrinsically-safe circuits and non-intrinsically- safe circuits that can affect the safety of intrinsically-safe circuits.

Note: The ""electrical apparatus"" or ""electrical system"" will be defined by the manufacturer or other party making the claim of compliance with this standard. /

1. Domaine d'application

1.1

La presente partie de la CEI 79 prescrit les regles specifiques de conception, de construction, d'essai et de marquage du materiel electrique et des systemes electriques avec mode de protection ""i"". Elle contient egalement les regles concernant les materiels electriques associes qui ne sont pas proteges pour etre utlises dans une atmosphere explosive gazeuse, mais qui renferment a la fois des circuits de securite intrinseque et des circuits non de securite intrinseque qui peuvent affecter la securite des circuits de securite intrinseque.

Note. Le ""materiel electrique"" ou le ""systeme electrique"" seront definis par le constructeur ou le petitionnaire de la demande de conformite a cette norme.