Electrical Apparatus for Use in Class I, Zones 0, 1 & 2 Hazardous (classified) Locations : General Requirements
Specifies the general requirements for construction, testing and marking of electrical apparatus, Ex cable entries and Ex components, intended for use in potentially explosive atmospheres of gas, vapor and mist defined as class I, Zone 0,1 or 2 by the National Electrical Code, NFPA 70.
- 01 Dec 2002
- Instrument Society of America
- North Carolina, United States