Classwork Series and Exercises (Physics – SS1): Safety Devices and Detecting Faults in Current

Safety Devices and Detecting Faults in Current  Introduction Electricity has two hazards. A thermal hazard occurs when there is electrical overheating. A shock hazard occurs when electric current passes through a person. Both hazards have already been discussed. Here we will concentrate on systems and devices that prevent electrical hazards. This is not how power [...]