A switch is an electrical device that controls the flow of current in a circuit. Every electronic and electrical application uses at least one switch to perform on and off operation of the device. The switches are further classified into two types they are electrical switches and mechanical switches. The one-way (single-pole), two-way (double-pole) are the two types of an electrical switch. The two-way switch is used to on/off the light, fan from two different locations. This article discusses the two-way switch wiring function
Out of the above six types of hammers, only ball pane hammer is mostly used for electrical jobs. It is made of cast steel. It has face, post, handle, pane, eye hole.
Out of these parts the face and the pane are tempered but post part is kept soft. The size of a hammer varies according to its weight ranging from 100 grams to I kilogram. Three different types of hammers .
The eye hole of the hammer is made in egg shape so that its handle may not slip. Further, the fore-head of the handle is splitted into two parts and a wedge is fitted in the slot. In this way the hammer holds the handle firmly.