We have been using electricity for many year, but still now electrical power reaching our homes and factories are not perfectly safe to use. These are many due to our electrical power system during transmission and distribution is exposed to many critical conditions like under-voltage, over-voltages and voltage surges due to lightning strikes, heavy system short circuit, abrupt switching conditions. Among these issue, the major concern to everybody is sudden over-voltage condition which can cause major damage to your equipment. This leads to our today's topic of discussion which is necessary to install a device that guarantees protection of our Read more