Mō ētahi whakamahinga i roto i te kāpata whakahaere, i te taputapu whakawhiti hiko rānei, he pai ki te tiaki i te hononga whāngai mā te whakamahi i tētahi fiusi motuhake. Ko ngā poraka mutunga fiusi me te pupuri fiusi mō te reera DIN he turanga poraka mutunga me te kaikawe hononga fiusi mō ngā hononga fiusi rerekē mō ngā fiusi AC me DC.
He rerekē ngā fiusi mai i ngā pupuri fiusi hono ki ngā pupuri fiusi mono-whakauru, ngā katinga wiri ki ngā fiusi mono-whakauru papatahi mō ngā motuka me ngā fiusi iti motuka me te whakaaturanga tūnga LED, me te kore rānei. Ka whakawhāitihia e te fiusi e whakamahia ana ngā raraunga whakatauranga (iahiko whakatauranga me te ngaohiko whakatauranga) te Iahiko Leakage Iti rānei - LLC o te poraka mutunga fiusi.