AS/NZS 60079.30.1:2007

1 - AS/NZS 60079.30.1:2007 Explosive atmospheres Part 28: Protection of equipment and transmission systems using optical radiation
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope
7 - 2 Normative references
8 - 3 Terms and definitions
12 - 4 General requirements
12 - 4.1 General
13 - 4.2 Terminations and connections
13 - 4.3 Circuit protection requirements for branch circuits
13 - 4.4 Control and temperature requirements
14 - 5 Testing
14 - 5.1 Type tests
25 - 5.2 Routine tests
26 - 6 Marking
26 - 6.1 Product markings for trace heaters
26 - 6.2 Markings for field-assembled components
27 - 6.3 Installation instructions

Specifies general and testing requirements for electrical resistance trace heaters for application in explosive gas atmospheres. The standard 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.

Originated as AS/NZS 62086.1:2002.
Revised and redesignated as AS/NZS 60079.30.1:2007.