Cal. Code Regs. tit. 13 § 803
Nonthermally operated flashers shall be tested for compliance with the performance and durability requirements using two random flashers for the performance test requirements and two other random flashers for the durability test. Should two failures for performance or two failures for durability tests occur, the flashers shall be considered as not meeting the requirements. Should one failure occur for performance test or one failure occur for durability test, an additional 2 flashers for the performance or for the durability test shall be selected at random and subjected to the corresponding tests. If no further failures of the additional flashers occur, the flasher shall be considered to be in compliance with the requirements.
Cal. Code Regs. Tit. 13, § 803
Note: Authority cited: Section 26103, Vehicle Code. Reference: Sections 24102 and 26103, Vehicle Code.