Historical
UL 8139 Ed. 1-2018
Standard for Electrical Systems of Electronic Cigarettes and Vaping Devices - Published Date: July 6, 2020
These requirements cover the battery-operated electrical systems that use consumables containing varying compositions of flavorings, propylene glycol, glycerin, and other ingredients, with or without nicotine, which is heated into an aerosol that the user inhales. Examples include but are not limited to vaporizers, vape pens, hookah pens, e-hookah, e-shisha, e-pipes, electronic cigarettes, e-cigarettes and electronic nicotine delivery systems (ENDS). These systems encompass their charging systems, components, parts, and accessories.
Underwriters Laboratories [ul]