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Carbon dioxide hose assemblies that pass a conductivity test shall have the test information recorded on a durable weatherproof label that is a minimum of 1/2 in. × 3 in. (13 mm × 76 mm). [10:]
The label shall be affixed to the hose by means of a heatless process. [10:]
The label shall include the following information:
  1. Month and year the test was performed, indicated by perforation such as is done by a hand punch
  2. Name or initials of person performing the test and the name of the agency performing the test

Related Code Sections

904.8 Fire Protection Systems, Carbon Dioxide Systems
Carbon dioxide extinguishing systems shall be installed, maintained, periodically inspected and tested in accordance with NFPA 12 and their listing ...