Description : What are the schedule maintenance to be carried out OH mains & UG Cables?
Last Answer : Ans. Following are the schedule to be maintained of HO mains and UG cables. a. OH mains – Every Half yearly b. UG.Cables – Every Yearly. During those schedules, for OH, Guarding condition of insulators, sag in OH line are to be checked for UG cables, cables are to be beggared for their IR values.