Active standard | Published: 01/01/2025

API RP 505

Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, Zone 1, and Zone 2, Third Edition

Available languages: English

Available design: electronic (protected pdf), Print design

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Detail information

Designation: API RP 505

Publication date: 01/01/2025

Pages: 192

Country: American technical standard

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Anotation

The purpose of this recommended practice (RP) is to provide guidelines for classifying locations Zone 0, Zone 1, and Zone 2 at petroleum facilities for the selection and installation of electrical equipment. Basic definitions given in the 2023 edition of NFPA 70, the National Electrical Code (NEC), have been followed in developing this RP. This publication is only a guide and requires the application of sound engineering judgment. See more

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