1. Xaiv cov kev qhia tshwj xeeb fuse fuse tsim nyog. Tsis txhob siv fuses uas tshaj li qhov rated tam sim no lossis voltage.
2. Thaum hloov lub fuse, ib txwm tig tawm lub zog hloov mus thiab tos lub fuse rau kom txias ua ntej hloov nws.
3. Yog tias cov neeg sib chwv muaj hnub nyoog lossis corroded, hloov lawv kom sai kom zam rau kev cuam tshuam rau kev ua tau zoo.
4. Thaum txhim kho cov fuse, them sai sai rau kev tiv tauj zoo thiab ua kom pom kev zoo ntawm cov neeg thiab lub fuse.
5. Tsis txhob sim kho lub zog thaum nws ua haujlwm. Yog hais tias qhov txhaum tshwm sim, tam sim ntawd kaw lub tshuab rau kev kuaj xyuas.