scope:

1.1 This recommended practice identifies elements of certificates for equipment for hazardous (classified) locations.

NOTE 1: The recommended practice can be used for equipment under either the Division or Zone area classification systems.

NOTE 2: This recommended practice relates to equipment intended for use in a Hazardous (Classified) Location or for equipment intended to be connected to a system that contains a Hazardous (Classified) Location.

NOTE 3: Certificates can be requested by, and used by, end users or installers of equipment in order to document the suitability of equipment to the Authority Having Jurisdiction (AHJ).