主要分為單極鋁滑觸線，單極銅滑觸線，鋼體滑觸線， 多duo極ji管guan式shi滑hua觸chu線xian，無wu接jie縫feng滑hua觸chu線xian，銅tong接jie觸chu線xian等deng常chang用yong的de滑hua觸chu線xian。單dan極ji滑hua觸chu線xian，多duo極ji管guan式shi滑hua觸chu線xian，無wu接jie縫feng滑hua觸chu線xian屬shu於yu安an全quan滑hua觸chu線xian
，鋼gang體ti滑hua觸chu線xian屬shu於yu非fei安an全quan滑hua觸chu線xian。