Underwriters’ Laboratories
Hydrogen Generator 

 UL Subject 2264
Identification UL Subject 2264 A
    Gaseous Hydrogen Generation Appliances - Electrolyzer Technology
   
Status Waiting publication of ISO 22734 to adopt as a US standard.
Contact Laurie Florence, UL
Identification Outline of Investigation UL Subject 2264 B
    Gaseous Hydrogen Generation Appliances - Water Reaction
   
Scope
  1. This outline covers packaged, self-contained or factory matched packages of integrated gaseous hydrogen generating systems, herein after referred to as hydrogen generators.
  2. This outline covers water reaction-type gaseous hydrogen generators, for example, sodium borohydride and sodium hydride.
  3. This outline applies to hydrogen generators intended for indoor and outdoor, commercial, industrial and residential use, but not to hydrogen generators intended for vehicular-based propulsion.
  4. These requirements do not cover hydrogen generators that can also be used to generate electricity.
  5. This outline does not apply to hydrogen generators rated above 600 V.
Status Published
Identification UL Subject 2264 C (Joint activity with CSA America; FC5)
    Gaseous Hydrogen Generation Appliances - Fuel Processing Technology
   
Status Waiting publication of ISO 16110 to adopt as a US standard.
Contact Laurie Florence, UL / Josip Novkovic, CSA