I live in the US but have recently been visiting my parents' home in India. I have noticed that - I get a tingling /buzz if I touch the metal chassis of my iPhone5 while it is connected to the 220V mains and is charging. - my Dad received a shock from one of the switches while trying to...

hi, last weekend there was a water leak in the house on the main water supply pipe, this pipe is also where the main earth wire for the house is connected. Whilst I was fixing the leak the earth wire became disconnected and at one point I caught it and received a heavy electrical shock. I do...