Why does an electric tester not work on DC current?By / Why does an electric tester not work on DC current?Why does an electric tester not work on DC current? Answer Here Answer Here Related posts: Types of Transformers What Will Happen If We Don’t Use Capacitor In Ceiling Fan? Why Neutral Cable Size Is Half Of Phase Cable? What Is Power Angle In Transmission Line System? How To Check Earthing And Voltageat Home With Multimeter? What Is A Transformer Tap Changer?