• Inikeza isivikelo ngokumelene nephutha lomhlaba/ukuvuza kwamandla, isiyingi esifushane, ukugcwala ngokweqile, kanye nomsebenzi wokuzihlukanisa
• Inikeza ukuvikeleka okuhambisanayo ekuthinteni okuqondile komzimba womuntu
• Ivikela ngempumelelo okokusebenza kukagesi ekuhlulekeni kwe-insulating
• Ihlinzeka ngokuvikeleka okuphelele ezindleleni zokusabalalisa izindlu kanye nezohwebo
• Amagiya angu-4 alinganisele iresidual operating current(mA):30,20,10,6