SEAWARD PowerTest 1557 Multi Function Tester Installation Guide
Phunzirani momwe mungagwiritsire ntchito PowerTest 1557 Multi Function Tester (MFT) kuchokera ku Seaward ndi malangizo athu pang'onopang'ono. Ntchito zoyeserera zikuphatikiza Earth Continuity, Insulation Resistance, Earth Fault Loop, ndi zina zambiri. Onetsetsani kukhulupirika kwa kukhazikitsa magetsi mosavuta komanso moyenera.