Definition(s)


Unclassified Locations (Non-hazardous Location)

Locations determined to be neither Class I, Division 1 nor Class I, Division 2; or any combination thereof.

API RP 500, Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1 and Division 2, Third Edition, December 2012, Global Standards

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