Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Area classification
5 Design details and test methods
6 Temperature limitation
7 Selection of duct ignition protected apparatus
8 Selection of radiating equipment
9 Selection of ultrasonic equipment
10 Installation requirements
11 Wiring systems
12 Inspection and maintenance
Annex A (informative) Examples for dust layers with
excessive thickness with the requirement of
laboratory investigation