There are various types of electronic devices used in our day to day activities. Many of these appliances require a power supply as the basic unit for functioning. This supply provided at home or for the business purpose is not constant as there would a lot of surge. The generation of the surge is due to the thunder striking or it may be because of the type of electromagnetic noise generated or may also be due to grid switching.  To protect the appliances from such voltage spikes protection is … [Read more...]