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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 forboth 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:

1st

Published:

11/01/1997

ANSI:

ANSI Approved

Number of Pages:

131

File Size:

2 files , 3.9 MB

Product Code(s):

C50501, C50501, C50501

Note:

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