INFORMATIVE ANNEX A. PRODUCT SAFETY STANDARDSINFORMATIVE ANNEX A. PRODUCT SAFETY STANDARDSThis annex provides a listing of the various standards that are used to test products by third-party testing facilities, such as Underwriters Laboratories. These tests are designed to establish the suitability of a particular manufacturer's product for use in a specific installation or application covered by the NEC. A certain amount of information regarding proper use and installation can be gleaned from the actual testing and the pass/fail criteria given in these publications, which will serve to enhance one's knowledge and prevent misapplication or misuse, as required by 110.3(B).