These requirements cover quick-connect type and other h and-operated adapters and couplings intended to connect the cylinder valve on portable LP-Gas container assemblies to the inlet of the regulator on gas consuming equipment. These couplings are intended for vapor withdrawal service only.

The adapters and couplings covered by these requirements are used in applications covered by the following standards:
a) Storage and Handling of Liquefied Petroleum Gases, NFPA 58, except as noted in 1.3.
b) Outdoor Cooking Gas Appliances, ANSI Z21.58.
c) Outdoor Gas Grills, CGA 1.6.

These requirements do not cover connective couplings for engine fuel applications.

A product that contains features, characteristics, components, materials, or systems new or different from those in use when the Standard was developed, and that involves a risk of fire, electric shock, or injury to persons, shall be evaluated using the appropriate additional component and end-product requirements as determined necessary to mai ntain the level of safety for the user of the product as originally anticipated by the intent of this Standard.