Brian 
Wood Pole Overhead Lines [PDF ebook] 

Wood Pole Overhead Lines provides comprehensive coverage of medium voltage wood pole overhead lines. It includes guidance on the planning and mechanical design of overhead lines, as well as details of statutory requirements and the latest UK and European standards affecting UK design of wood pole networks, Sag/tension calculations are explained, and details of the latest work on safe design tension limits to avoid conductor fatigue from vibration are included. The basic characteristics of bare and covered conductors are discussed as well as upgrading possibilities, condition assessment and the latest work on ‘health indices’ for overhead lines. Other topics include wood pole decay and mitigation methods, maintenance schedules, live line working and basic lightning protection.