Course Overview

This is the starting point for participants with minimum or little knowledge of the requirements and
practices for hazardous areas such as oil & gas, petrochemical industries, and any industries with
flammable gas and/or liquid is present.

The training and practical assessment program is provided for electrical personnel who undertake
the physical installation and assembly of new ‘Ex’ equipment and, who perform preventative
maintenance and inspections on previously installed equipment.

Course Outlines

• Introduction to Explosion Concepts
• Explosion Protection
• Protection Principle
• Type of Protection
• The dangers of dust, gas
• The dangers of vapor and mist in the air
• Area classifications
• zone diagrams and the meaning of Zones 0, 1, 2 and 20, 21 and 22
• Equipment temperature classifications and gas grouping
• The upper and lower flammable limits of gases and vapors
• Identifying the protection methods used (Ex ia, Ex ib, Ex d, Ex p, Ex e, Ex m, etc)
• Equipment Protection Level
• Equipment Explosion Protection
• Markings
• Temperature Rating, and Gas groups, Dust
• Ingress Protection
• The Methods of Testing & Inspection EX-Proof Equipment
• Maintenance of EX-Proof Equipment
• Practical / Workshop for Inspection