Electrical Apparatus for Use in Class I, Zone 1 Hazardous (classified) Locations Type of Protection - Oil I Mercian "O"
Specifies the requirements for the construction and testing of oil-immersed electrical apparatus, oil-immersed parts of electrical apparatus, and Ex components in the type of protection 'o', intended for use in potentially explosive atmospheres of gas, vapor, and mist.
- 01 Dec 1998
- Instrument Society of America
- North Carolina, United States