Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Maximum surface temperatures
6 Requirements for electrical equipment
7 Requirements for non-incendive components
8 Requirements for hermetically sealed devices
9 Requirements for sealed devices
10 Requirements for restricted-breathing enclosures
11 Type Tests
12 Routine verifications and tests
13 Marking
14 Documentation
15 Instructions
Bibliography

Abstract

Describes requirements for the construction, testing and marking for Group II electrical equipment with type of protection 'n' which includes; sealed devices 'nC', hermetically sealed devices 'nC', non-incendive components 'nC' and restricted breathing enclosures 'nR' intended for use in explosive gas atmospheres.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 31