Details test and examination criteria for gas hose connectors suitable for connecting portable outdoor gas-fired appliances to fixed gas supply lines containing natural, manufactured or mixed gases, liquefied petroleum gases or LP gas-air mixtures at pre
ANSI Z21.54a-2005 history
2005ANSI Z21.54a-2005 Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances (same as CSA 8.4a)