This is a type of two-way switch widely used in households, offices, etc. It works on the mechanism of Rocker, tunnel terminals and
finger-proof. All these individually and or combined are instrumental in preventing accidental fire and/or preventing visibility of sparks. A
two-way switch- 2M of this category comes in a pack of 10 pieces. The contact plate, which has to be high on conductivity
and low on voltage drop, is made from phosphor bronze. It also has riveted silver cadmium tip.