I-BV iwucingo lwethusi oluwumgogodla owodwa, oluqinile futhi olungalungile ukuthi lwakhiwe, kodwa lunamandla aphezulu.I-BVR iyi-multi-core copper wire, ethambile futhi elungele ukwakhiwa, kodwa enamandla aphansi.I-BV single-core copper wire - ngokuvamile ezindaweni ezigxilile, intambo ye-BVR iyintambo yethusi evalekile ye-PVC, esetshenziswa ezikhathini lapho izintambo ezigxilile zidinga ukuthamba, futhi ngokuvamile zisetshenziswa ezikhathini lapho kunokunyakaza kancane.Ngaphezu kwalokho, umthamo wamanje wokuthwala we-BVR we-multi-strand line mkhulu kunalowo we-single-strand line, futhi intengo nayo iphakeme.Ngokuvamile, i-BVR ingasetshenziselwa izintambo ezingaphakathi kwekhabhinethi, ngaphandle kwamandla amakhulu kangaka, alungele izintambo.