This document provides general recommendations for performing maintenance work on energized power lines. The purpose of this Guide is to present details of some of the methods presently in use to enable the safe performance of energized line maintenance. It will provide guidance for establishing a safe work area, taking into consideration the physical effects on personnel. Revision Standard - Superseded. General recommendations for performing maintenance work on energized power lines are provided. Technical explanations as required to cover certain laboratory testing of tools and equipment, field maintenance and care of tools and equipment, and work methods for the maintenance of energized lines and for persons working in the vicinity of energized lines are included