Earthing and Protection

Earthing and Protection - disconnection times, protective devices, types of fault, fusing factors and calcs, abbreviations and terms. 15 randomised questions from a LARGE question bank.

Answer ALL questions in the exercise. Look for any feedback given when you answer. If you get an answer incorrect - keep trying until you get the correct answer. A score is given when ALL questions have been answered correctly. © K.Brown 2024