SEAWARD PowerTest 1557 Multi Function Tester Installation Guide
Ithute ho sebelisa PowerTest 1557 Multi Function Tester (MFT) ho tloha Seaward ka litaelo tsa rona tsa mohato ka mohato. Mesebetsi ea liteko e kenyelletsa Earth Continuity, Insulation Resistance, Earth Fault Loop, le tse ling. Netefatsa botshepehi ba ho kenya motlakase ha bonolo le ka bokgabane.