Ko te BV he waea parahi kotahi-matua, he uaua me te kore e pai mo te hanga, engari he kaha teitei.Ko te BVR he waea parahi maha-matua, he ngohengohe me te watea mo te hanga, engari he iti te kaha.Waea parahi kotahi-matua BV – te tikanga mo nga waahi pumau, ko te waea BVR he waea hangai-kore PVC, ka whakamahia i roto i nga waa e hiahia ana te waea whakapumau ki te ngawari, me te whakamahi i nga waa he iti te nekehanga.I tua atu, ko te kaha o te kawe i tenei wa o te BVR multi-strand line he nui ake i tera o te raina kotahi, a he nui ake te utu.I te nuinga o te wa, ka taea te whakamahi BVR mo nga taura kei roto i te rūnanga, kaore he kaha nui, he pai mo te waea.
Ko nga waea BV/BVR nga waea waea e tino whakamahia ana.Ko te tango i tetahi whare hou 100 mita tapawha hei tauira, ko te waea parahi BV matua o te 4mm² mirimita tapawha he 200 mita,
400 mita mo te 2.5 mm², 300 mita mo te 1.5 mm², me te 100 mita mo te 1.5 mm² o te waea parahi BV e rua-tae.Ko te mea i runga ake nei ehara i te whakapaipai tuanui, ki te hiahia koe ki te whai tuanui, me nui ake te raina o te 1.5 mm².