Catenary is a special form of power transmission, which is used to supply power to electric locomotives above railway tracks. The construction with catenary is also called railway electrification. Catenary operator is a technical type of work engaged in the construction, maintenance and management of electrified railways. Engaged in specific work: column installation (vertical pole), column assembly (wrist arm and some parts on wrist arm), clue erection (carrier cable, conductor, return line, feeder line, reinforcement line, etc. ), hanging installation (locator, hanging string, electrical connection, etc. ), suspension adjustment (adjust the height of bearing and guide rail), cable installation, etc. , belongs to the front-line operators. There are certain risks in the work, such as falling from high altitude (poles and live working are all working at high altitude), and objects hitting (falling objects and train throwing). ), traffic safety (existing line construction, that is, catenary construction of running cars on the line), etc. At present, there is a shortage of skilled catenary workers in the Engineering Bureau, and the salary depends on the treatment of the work unit. If there is a project, at least 2500 yuan, and more can reach 5000 yuan (if it is a foreman or team leader).