EPIT Group

Maintenance & Inspection of Hazardous Area Equipment (IECEx Unit Ex 001, Ex 004, Ex 007 & Ex 008)

This course is aligned with the requirements of IECEx OD 504 and is designed to provide an understanding on the principles of protection and the maintenance and inspection of electrical installations in or associated with explosive atmospheres based on the requirements of IEC 60079-14, IEC 60079-17 and other relevant standards of the IEC 60079 series.

There are no prerequisites for attending this course but a minimum of three years’ experience in industrial electrical installation and maintenance practice is recommended.

IECEx Units Covered:

Unit Ex 001 – Principles of protection in explosive atmospheres knowledge

Unit Ex 004 – Maintain equipment in explosive atmospheres

Unit Ex 007 – Perform visual and close inspection of electrical installations in or associated with explosive atmospheres

Unit Ex 008 – Perform detailed inspection of electrical installations in or associated with explosive atmospheres

Course Content

Explosive atmospheres and explosion-protection principles
Explosion-protected equipment – Ex certification schemes
Explosion-protected equipment – Principles
Explosion-protection visual checks
Type of protection – Flameproof enclosures “d”
Type of protection – Increased safety “e”
Type of protection “n”
Type of protection – Encapsulation “m”
Type of protection – Liquid immersion “o”
Type of protection – Powder filling “q”
Type of protection – Intrinsic safety “i”
Type of protection – Protection by enclosure “t”
Equipment protection by pressurized room “p” and artificially ventilated room “v”
Common characteristics of explosion-protection techniques
Explosive atmospheres installation requirements
Explosive atmospheres cable termination techniques
Explosive atmospheres maintenance requirements
Explosive atmospheres visual and close inspection requirements
Explosive atmospheres detailed inspection techniques