Details test and examination criteria for portable type gas camp lights for use with propane, butane and liquefied petroleum gases and mixtures thereof, and intended for outdoor use only. This standard applies to lights directly connected to the fuel container where the fuel supply for a lantern is limited to one cylinder of not more that 75 cubic inches.
ANSI Z21.73b-2002 history
2002ANSI Z21.73b-2002 Portable Type Gas Camp Lights (same as CSA 11.1b)