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IEC TR 60079-15:1987 ed1.0

Заменен
Electrical apparatus for explosive gas atmospheres. Part 15: Electrical apparatus with type of protection 'n' — 65 стр.
Specifies requirements for the construction, assessment and testing of electrical apparatus with type of protection 'n' which, when operating normally within its rated duty, is unlikely to be capable of igniting a surrounding explosive gas atmosphere. This publication has the status of a report.
ICS
29.260.20 Electrical apparatus for explosive atmospheres / Электрическое оборудование для взрывоопасной атмосферы