NF EN 60079-30-1 : 2007

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
  4.1 General
  4.2 Terminations and connections
  4.3 Circuit protection requirements for branch circuits
  4.4 Control and temperature requirements
5 Testing
  5.1 Type tests
  5.2 Routine tests
6 Marking
  6.1 Product markings for trace heaters
  6.2 Markings for field-assembled components
  6.3 Installation instructions
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Annex ZZ (informative) - Coverage of Essential Requirements
         of EC Directives

Specifies general and testing requirements for electrical resistance trace heaters for application in explosive gas atmospheres. Also covers trace heaters that may comprise either factory- or field- (work-site) assembled units, and which may be series heating cables, parallel heating cables or heating pads and heating panels that have been assembled and/or terminated in accordance with the manufacturer's instructions.