Tsarin rufin wutar lantarki shine mahimmancin aminci da kayan kariya don aikin lantarki. Zabin kayan sa kai tsaye yana haifar da rufinsa, damuwar yanayi, da rayuwar sabis. Zabi na ilimin kimiyya yana buƙatar cikakken la'akari da yanayin aikace-aikacen, yanayin muhalli, da kuma buƙatun sigogi na lantarki.
A halin yanzu, Mainstream Rain kasetin suna samuwa a cikin manyan nau'ikan guda uku: PVC (polyvinyl chloride), roba, da zane. PVC tef, tare da kyakkyawan rufin, juriya na sinadarai, da kuma farashi {1} don aikace-aikacen gaba ɗaya. Kauri mai kauri lokaci yawanci yakai daga 0.13 zuwa 0.2 mm kuma ya dace da insulating low {{5} -} octage loin. Koyaya, zai iya taushi da lalacewa a sauƙaƙe a cikin babba- o jiki yanayin (sama da 80 digiri). Rubutun roba, da aka sani da babban elasticity, juriya mai, da karancin ruhun zafin, yana dacewa musamman ga hadaddun yanayi kamar saitunan injin. Koyaya, yanayin jure yanayinta yayi rauni kuma yana da saukin tsufa ga tsufa da fatattaka saboda tsawon lokaci {12} Fitar da ajalin lokaci. Fiber zane, ƙarfafa tare da Fiber Fiber ko Fiber Polyester, yana haɗu da ƙarfi na yau da kullun tare da babba {14} ure sururean juriya (har zuwa 130 digiri). Ana amfani dashi don sosai {{17} 17} ire na kebul na lantarki ko ƙarfafa iska mai ƙarfi, amma yana da nauyi da tsada.
Zaben kayan aiki dole ne ya dace da takamaiman sigar fasaha: don yanayin zafi, pvc ko roba tare da jan ruwa mai ruwa ya kamata a fi so. A cikin yanayin harshen wuta, ƙarami {{1} ire, ƙameno {2} Daga cikin yalwar PVC yadudduka zai iya rage haɗarin wuta. Bugu da ƙari, takardar sheda ta duniya kamar VDD da OL suna da mahimmanci nassoshi don amincin aminci.
Zaɓar da ƙwaƙwalwar ƙwaƙwalwar ajiya ba kawai yana tabbatar da ingantaccen aiki na tsarin lantarki amma kuma mahimmin matakan kariya da hatsarin lantarki na lantarki. Ma'aikata yakamata su nemi daidaitaccen ma'auni tsakanin fushin ƙasa, ƙarfin inpar, da kuma daidaituwar muhalli, da kuma daidaituwar muhalli dangane da ainihin bukatun.
