Plug key Two Way (Pk. of 4 Pcs. )

Description

Description

A plug key two way is an electrical component that acts as a switch with two terminals for circuit to use in physics lab experiment. To turn on the circuit, a little metallic key is put into a metallic base, and the circuit is shut off if it is detached from its base. The role of a plug key is to start or stop the current in the circuit. Plug Key mainly use in physics Laboratories in schools & Colleges for making or breaking of electrical Circuit.  There are many types of Plug keys like one way key , two way key and three way key , the only purpose of plug key is open or close the circuit. The base of  plug key is made up of Bakelite and brass block of 10mm of black color with Brass key.