1. Xaiv cov fuses nrog cov qib voltage raws li daim phiaj voltage;
2. Raws li qhov siab tshaj plaws tam sim no uas yuav tshwm sim hauv lub zog faib hluav taws xob, xaiv lub fuse uas muaj peev xwm tawg;
3. Thaum lub fuse siv rau kev tiv thaiv luv luv nyob rau hauv lub cev muaj zog Circuit Court, kom tsis txhob melting thaum lub sij hawm pib lub cev muaj zog, rau ib lub cev muaj zog, cov rated melt tam sim no yuav tsum tsis txhob tsawg tshaj li 1.5 mus rau 2.5 npaug ntawm qhov ntsuas. tam sim no ntawm lub cev muaj zog; rau ntau lub cev muaj zog, tag nrho cov yaj Cov ntsuas tam sim no yuav tsum tsis pub tsawg dua 1.5 ~ 2.5 npaug ntawm qhov ntsuas tam sim no ntawm lub cev muaj zog loj tshaj plaws ntxiv rau suav cov khoom siv tam sim no ntawm cov khoom seem.
4. Rau kev tiv thaiv luv luv ntawm cov khoom thauj xws li teeb pom kev zoo lossis hluav taws xob rauv, qhov ntsuas tam sim no ntawm cov yaj yuav tsum sib npaug los yog me ntsis ntau dua li qhov ntsuas tam sim no ntawm cov khoom thauj.
5. Thaum siv fuses los tiv thaiv kab, cov fuses yuav tsum tau nruab rau ntawm txhua theem kab. Nws yog nruj me ntsis txwv tsis pub rau nruab ib lub fuse ntawm lub nruab nrab hlau nyob rau hauv ib tug ob-theem peb-xaim los yog peb-theem plaub-hlau Circuit Court, vim hais tias disconnection ntawm lub nruab nrab hlau yuav ua rau voltage imbalance thiab tej zaum yuav hlawv tawm hluav taws xob khoom. Ntawm cov kab ib-theem uas siv los ntawm pej xeem lub zog hluav taws xob, fuses yuav tsum tau nruab rau ntawm kab nruab nrab, tshwj tsis yog rau lub ntsiab fuse ntawm daim phiaj hluav taws xob.
6. Txhua theem ntawm fuses yuav tsum tau koom tes nrog ib leeg thaum siv, thiab lub melt rated tam sim no ntawm qib tom ntej yuav tsum me dua qib dhau los.