Table of Contents

FOREWORD
INTRODUCTION - Principles and rules followed
1 Scope
2 Normative references
3 Terms and definitions
  Section 426-01 - General terms
  Section 426-02 - Physical and chemical phenomena
  Section 426-03 - Areas and zones
  Section 426-04 - Construction of electrical apparatus
                   (general)
  Section 426-05 - Tests of electrical apparatus
  Section 426-06 - Flameproof enclosure 'D'
  Section 426-07 - Powder filling 'q'
  Section 426-08 - Increased safety 'e'
  Section 426-09 - Pressurization 'p'
  Section 426-10 - Oil immersion 'o'
  Section 426-11 - Intrinsically-safe and associated
                   intrinsically-safe electrical apparatus 'i'
  Section 426-12 - Encapsulation 'm'
  Section 426-13 - Type of protection 'n'
  Section 426-14 - Inspection and maintenance
  Section 426-15 - Repair and overhaul
  Section 426-16 - Protection by enclosure (dust) 'tD'
  Section 426-17 - Protection by pressurization (dust) 'pD'
  Section 426-18 - Protection by encapsulation (dust) 'mD'
  Section 426-19 - Protection by intrinsic safety (dust) 'iD'
  Section 426-20 - Trace heating
BIBLIOGRAPHY
INDEX in German, Japanese, Polish, Portuguese and Chinese

Abstract

Describes terms specifically relevant to equipment for explosive atmospheres.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 1