本指南提供了在通电电源线上执行维护工作的一般建议。它不打算包括所有经验证的实用方法和程序；然而，这些选定的综合建议基于可靠的工程原理、工程安全考虑以及许多公用事业公司的现场经验。包括所需的技术说明，以涵盖工具和设备的某些实验室测试、在役检查、工具和设备的维护和保养，以及带电线路维护和带电线路附近工作人员的工作方法。

This guide provides the general recommendations for performing maintenance work on energized power lines. It is not intended to include all of the proven practical methods and procedures; however, these selected comprehensive recommendations are based on sound engineering principles, engineering safety considerations, and field experience by many utilities. Included are technical explanations as required to cover certain laboratory testing of tools and equipment, in-service inspection, maintenance and care of tools and equipment, and work methods for the maintenance of energized lines and for persons working in vicinity of energized lines.