||Now a days an electric furnace is taking major role both for domestic and Industrial application. A chamber heated by electric current is known as Electric Furnace.There are many types of furnaces, also named as per purpose of use. Heat treatment furnace, Pit type furnace, Combustion furnace, Induction furnace, Muffle furnace etc. Electric furnaces are more cheaper than oil fired furnaces and gas fired furnace.To make an Electric furnace refractory bricks, heating elements, compensating cables, thermocouples, temperature Indicator-cum-controller etc. required.