This Handbook is aimed at Electrical, Instrument and Mechanical Technician Level.

This advisory book sets out to look at Earthing and Bonding in detail and discuss how many different Earthing Systems and Methods may fit in our Hazardous Area. The book finishes by looking at Zones, Gas and Dust Groups, Ignition Temperatures and Temperature Classes and different types of Atex Categories and IEC Equipment Protection Levels. Protections such as Exd Flameproof, Exe Increased Safety, Exp Pressurisation, Exn Reduced Risk and Ext Protection by Enclosure are also discussed.