Walƙiya kariya hada insulator wani sabon nau'i ne na hade tsarin na baka-hujja insulator, wanda aka yafi hada da insulating shroud, matsawa goro, briquetting block, motsi briquetting block, babba karfe hula, composite insulator, baka daukan sanda, insulating hannun riga da The Ƙafar ƙarfe na ƙasa yana kunshe da guda ɗaya, kuma sandar baka mai harbi da hular karfe na sama an haɗa su cikin jiki ɗaya.Lokacin da walƙiya ta faru, sandan da ke buga baka da ƙananan ƙafar ƙarfe suna fitar da su, ta yadda za a motsa mitar wutar motsa jiki zuwa sandar bugun baka don ƙonewa, don haka ba a lalata wayoyi masu ɓoye ba.