Matsayin shigarwa na rigakafin ƙarar tsuntsaye:

Babban abin da ke haifar da lalacewar tsuntsaye shine walƙiyar tsuntsaye, gajeren kewaye na kayan gida baƙi, gajeren kewaye na jikin tsuntsaye, da sauransu. Daga cikinsu, tafiyar layi da manyan tsuntsayen ruwa kamar dangin Heron da dangin shamuwa ke yi a hasumiya shine kusan kashi 90% na lalacewar tsuntsayen layin watsawa, wanda shine babban dalilin tafiya da ta shafi layin watsawa. Gajeren kewaye na kayan gidan tsuntsaye da ƙofar da'ira da gajeren kewaye na jikin tsuntsaye ke haifarwa galibi suna faruwa ne a layin rarrabawa. Saboda haka, babban mahimmin batun hana lalacewar tsuntsayen layin watsawa shine hana lalacewar tsuntsayen da manyan tsuntsaye ke haifarwa. Rigakafin kamuwa da tsutsotsi shine "allurar ƙarfe" da aka sanya a hasumiyar. Manufar ita ce hana manyan tsuntsayen motsi a kan hasumiyar, don cimma burin kawar da walƙiyar tsuntsaye. Ana amfani da mafi yawan amfani da hana walƙiyar layukan watsawa na 110 kV zuwa 500 kV.