The 6 modules

Module 1	Explosive Atmospheres & Hazardous Areas This module covers the very basics of what a hazardous area is and where the hazard actually comes from so you can understand the basic principles involved in EX protection
Module 2	Area Classification and Zones Explains in detail the principles involved in zoneing along with temperature classification and gas groups used for equipment certification
Module 3	EX Equipment - Exd, Exe, Exi Equipment types of protection described in detail along with the specific requirements needed  to install and maintain them correctly
Module 4	Cables, Glands and Earthing Gives information on the types of cable and glands available and the type that should be used for specific locations along with earthing requirements
Module 5	Inspection and Testing Details the requirements for an inspection programme in accordance with IEC 60079-17
Module 6	Standards, Certification and Health & Safety Details what you must do to comply with all the relevant standards regarding electrical installations in hazardous areas