IEEE C57.12.28-1999

This standard covers conformance tests and requirements for the integrity of above grade pad-mounted enclosures containing apparatus energized in excess of 600 volts that may be exposed to the public including, but not limited to, the following types of equipment enclosures: a) Pad-mounted capacitors or inductors b) Pad-mounted distribution transformers c) Pad-mounted junction enclosures d) Pad-mounted metering equipment e) Pad-mounted switch gear This standard does not cover installations that are under the exclusive control of electric utilities and are located in such a manner that access to the equipment is controlled exclusively by the utility.