1 Scope

1.1 These requirements cover gas boosters, rated 600 V or less, intended for use in natural or manufactured gas piping systems to increase the gas line pressure to that indicated on the device.

1.2 Devices and equipment covered by these requirements are intended for use indoors and are intended to be installed in systems covered by the National Fuel Gas Code, NFPA 54, or the National Electrical Code, NFPA 70.

1.3 These requirements do not cover devices intended to be installed on a vehicle.

1.4 These requirements do not cover devices intended to be used:

1. a) With liquids or gases other than as indicated above, or

2. b) With liquids under cryogenic temperatures less than minus 60°C (minus 76°F).