I-BV yintambo yobhedu enye, enzima kwaye ingenakulungeleka ukwakhiwa, kodwa inamandla amakhulu.I-BVR yintambo yobhedu eneziko ezininzi, ethambileyo kwaye ilungele ukwakhiwa, kodwa inamandla aphantsi.I-BV i-single-core copper wire - ngokubanzi kwiindawo ezisisigxina, i-BVR wire yi-copper-core PVC i-insulated flexible wire, esetyenziswa kwiimeko apho i-wiring esisigxina ifuna ukuthamba, kwaye isetyenziswa ngokubanzi kwiimeko apho kukho ukunyakaza okuncinci.Ukongezelela, umthamo wangoku wokuthwala we-BVR umgca we-multi-strand mkhulu kunomgca we-single-strand, kwaye ixabiso liphezulu.Ngokuqhelekileyo, i-BVR ingasetyenziselwa iintambo ngaphakathi kwekhabhinethi, ngaphandle kwamandla amakhulu, alungele ukuthunga iintambo.