为规范电力安全工器具的预防性试验，确保电力安全工器具在使用中的安全可靠，国家电力公司在相关规程和标准的基础上，结合当前安全工作的实际，组织编制了《电力安全工器具预防性试验规程》(试行)，并于2002-11-07以国电发[2002]777号文向系统各单位颁发，并自颁发之日起执行 In order to standardize the preventive test of power safety equipment and ensure the safety and reliability of power safety equipment in use, the State Power Corporation, on the basis of relevant regulations and standards and in light of the actual safety work, has compiled and compiled the “Safety Equipment for Power Industry Preventive Testing Procedures ”(for Trial Implementation) and issued to all units of the system by Guodianfa [2002] No. 777 from 2002-11-07 and executed from the date of promulgation