This specification establishes the requirements and test procedures for automotive miniature bulb retention devices, including wedge base sockets with integral connector, direct wire wedge base sockets, circuit plate assemblies, and associated interfaces. Tests shall follow the sequence shown in the flow charts in Appendix E whenever the following occurs: â¢ New design â¢ Design, material or process change made to an existing device, which could affect the outcome of the test. The test sequence shown in Appendix F shall be run annually. (Note: Production process control data collected at a shorter interval per an approved control plan, may be substituted if approved by customerâs responsible engineer and purchasing representative.)