Technical Standard

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This recommended practice provides guidelines for determining the degree and extent of Class I, Zone 0, Zone 1, and Zone 2 locations at petroleum facilities for the selection and installation of electrical equipment. Basic definitions provided in the National Electrical Code have been followed in developing this document, which applies to the classification of locations for both temporarily and permanently installed electrical equipment.

RP 505 is intended to be applied where there may be a risk of ignition due to the presence of flammable gas or vapor mixed with air under normal atmospheric conditions.

Product Details

Edition:

2nd

Published:

08/01/2018

Number of Pages:

177

File Size:

1 file , 18 MB

Redline File Size:

2 files , 33 MB

Product Code(s):

C50502, C50502, C50502, C50502, C50502, C50502

Note:

This product is unavailable in Cuba, Iran, North Korea, Syria