Guano flashover yana da nau'i biyu: ɗaya shine walƙiya wanda ya haifar da tarin saman insulator.Koyaya, saboda an raba tsuntsaye ta sassa da yawa ta laima mai rufewa, yuwuwar walƙiya kai tsaye yana da ƙasa sosai.Daya kuma shine guano slippage insulation yana fadowa a waje da waje, tsakiya na kai tsaye yana haifar da fitar da gajeren lokaci tsakanin kayan aikin zinariya na sama da na ƙasa, kuma ba a bar alamar guano a kan sueko ba, wanda kuma shine babban nau'i na guano flassing.Dangane da samun nasarar kwaikwaya al'amarin da ya faru da tsuntsun da ake yi da insulator, sashen injiniyan wutar lantarki na jami'ar tsinghua ya yi nazari kan yadda ake yin walƙiya da yanayin guano, inda ya kammala da cewa faɗuwar lokacin guano yana haifar da rarraba wutar lantarki a kewayen insulator, wanda ya haifar da rarraba wutar lantarki a kusa da insulator. Rushewar tazarar iska na tashar guano a babban ƙarshen rufi, don haka yana haifar da walƙiya na insulator.Ɗaukar suozi na roba mai nauyin kv 110 a matsayin misali, kewaye da diamita na 55cm ya kamata a kiyaye shi ta fantian.A lokaci guda, la'akari da guano na iska zai fadi kamar parabola.A cikin ainihin aikin, za a yi la'akari da yanki na crossarm a saman hasumiya a matsayin maɓalli don rigakafin tsuntsaye a cikin kewayon 30-45 ° tare da kirtani mai insulator a matsayin tushen tushe da kusurwa tsakanin bangarorin biyu.Abu na biyu, ƙaya tsuntsu don tabbatar da wani yawa, tsuntsaye gaba daya "toshe" a waje da yankin kariya.

A cikin aikace-aikacen injiniya, saboda hadadden nau'in hasumiya, ana iya barin wasu mahimman wuraren kariya na tsuntsaye a baya, wanda ke haifar da aukuwar lahani na lalata tsuntsaye.Tsuntsayen spikes sama da insulator na waya mai mataki uku an sanya shi a wurin, amma ba a sanya ƙayar tsuntsu a kan sandar ƙasa sama da wayar gefe, wanda ke barin ɓoyayyiyar matsala ga faruwar laifin.