18K views · 234 reactions | A “short circuit” caused an explosion on a metro line in Shanghai, China. | ABC News | Facebook

Measuring Prospective Fault Current (PFC) at the Origin of a Single Phase Supply (Live Test) Student training aid for the live test measuring prospective fault current PFC using a MFT Megger tester. Includes a full demonstration of how to measure PFC current. This test is shown being done under controlled condition in a college workshop. I measure both prospective short circuit current PSCC and prospective earth fault current PEFC and record the highest of the 2 readings. Videos are training aid

409K views · 2.7K reactions | Building a Short Circuit Protection Circuit for Ultimate Safety! | SR Electric | Facebook

Short Circuit Protection Circuit Some Ideas, And Experiment Can Be Dangerous. And For That You Don't Risk And Damage Your Self And The Environment, I Am A Professional In My Business With A Lot Of Experience! Every Video, Even That Is Completed With Compliance With The All Safety Measures. Enjoy The Video And Eat The Sweets. Warning: This Video Is For Demonstration And Education Purpose Only. Each Demonstration Presents Risk And Hazards That Must Be Fully Understood Before Attempting. And Should