Overhead power line-ah chuan U-shaped hanging rings hi stable power transmission tihchian nan a pawimawh hle. Insulators suspend nan leh line tower-a nghet taka siam nan hman a ni fo. U-shaped hanging ring chu insulator nen pin, eye holes, leh bolt hmangin a inzawm tlat a, chu chuan wire chu a support a ni. Hetiang a nih lai hian U-shaped hanging ring hian wire rit leh thli, zai leh thil dang avanga tension lo chhuak chu a phur a ngai a ni. Power lines chu kilometer engemaw zat emaw a aia rei emaw a inzawm fo avangin, wire-te rit leh pawn lam thiltihtheihnate chu ngaihthah tur a ni lo.
Substation-ah chuan u-shaped hanging rings hian hmun pawimawh tak a chang bawk. Substation-ah hian device leh complex connection tam tak a awm a, electrical equipment hrang hrang, busbar, etc. connection leh fixation rintlak tak a ngai a, U-shaped hanging rings hi steel strand leh tower te inzawmkhawmna atan hman theih a ni a, tower-a steel strand te chu fixing a ni a, electrical equipment atan stable support leh tension a pe thei bawk. Entirnan, lightning protection wire dahnaah chuan u-shaped hanging rings chuan lightning protection wire te chu tower te nen nghet takin a thlunzawm a. Lightning a rawn tlak chuan current chak tak chu lightning protection wire hmangin U-shaped hanging rings hmangin lei chhungah a luang lut a. U-shaped hanging rings stable connection performance hian lightning conduction process mumal tak a siam a, chu chuan substation-a hmanrua chu lightning damage lakah a venghim a ni.