UNE-EN 60079-17:2014

1 Scope
2 Normative references
3 Definitions
4 General requirements
  4.1 Documentation
  4.2 Qualifications of personnel
  4.3 Inspections
  4.4 Regular periodic inspections
  4.5 Continuous supervision by skilled persons
  4.6 Maintenance requirements
  4.7 Environmental conditions
  4.8 Isolation of apparatus
  4.9 Earthing and equipotential bonding
  4.10 Conditions of use
  4.11 Movable apparatus and its connections
  4.12 Inspection schedules
5 Additional inspection schedule requirements
  5.1 Type of protection 'd' - Flameproof enclosure
  5.2 Type of protection 'e' - Increased safety
  5.3 Type of protection 'i' - Intrinsic safety
  5.4 Type of protection 'p' - Pressurized enclosure
  5.5 Apparatus used in zone 2
  5.6 Types of protection 'm' (encapsulation),
       'o' (oil-immersion) and 'q' (powder-filling)
Annex A (informative) Typical inspection procedure for periodic
        inspections
Annex ZA (normative) Normative references to international
         publications with their corresponding European publications

Applies to users and covers factors directly related to the inspection and maintenance of electrical installations within hazardous areas only, where the hazard may be caused by flammable gases, vapours, mists, dusts, fibres or flyings.