Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions
4 Environmental classes
  4.1 Class 3.1: Temperature-controlled locations
  4.2 Class 3.2: Partly temperature-controlled
                 locations
  4.3 Class 3.3: Not temperature-controlled locations
  4.4 Class 3.4: Sites with heat-trap
  4.5 Class 3.5: Sheltered locations
5 Environmental conditions
  5.1 Climatic conditions
  5.2 Biological conditions
  5.3 Chemically active substances
  5.4 Mechanically active substances
  5.5 Mechanical conditions
History

Abstract

Defines the classes of environmental conditions and their severities to which equipment may be exposed at specified locations. Applies to equipment installed for stationary use at weatherprotected location during: exchange or installation construction; normal operation; repair and maintenance.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	EE 1
Supersedes	PRETS 300 019-1-3 : AMD 1 97