Table of Contents
1Purpose
2Scope
3Definitions
4Area(location)classification
5EquipmentcertificationintheUnitedStates
6Protectiontechniquesforelectricalequipmentinhazardous
(classified)locations
7Wiringmethods
8Groundingandbondingpractices
9Maintenancepractices
10Practicesrelatedtocombiningcertifiedproducts
AnnexA(informative-perIECTC31)-Introductionofan
alternativeriskassessmentmethodencompassing
"equipmentprotectionlevels"forExequipment
AnnexB-Acronyms
AnnexC-References
AnnexD-Listingofworldwidecodes,guides,andstandards
AnnexE-Listingofworldwideinstallationrequirements Abstract
Specifies general guidance for safe design, installation, and maintenance of electrical equipment in hazardous (classified) locations using appropriate means to prevent ignition of flammable gases and vapors, flammable liquids, combustible dusts, or ignitable fibers or flyings.
