2.2　Tackle and Hanging Wheel

The tackles and hanging wheels are common metal tools for live working on transmission lines.According to different operation conditions,the tackles are divided into iron tackles and aluminum tackles.The hanging wheels are divided into single-conductor hanging wheels,220kV double-bundle hanging wheels and 500kV four-bundle hanging wheels,all of which are the most commonly used tool for equipotential live working on transmission lines.(https://www.daowen.com)