Butt Contact:

A contact mechanism in which the movable contact makes contact with the stationary contact without wiping motion between the surfaces. Typical of toggle and pushbutton switches.

Bus Bars:

Rigid conductors serving as a connection for two or more circuits.

Antistatic Switch:

An antistatic device will withstand a specified potential without conducting between the actuator typical value 8-20 kilovolts DC.

Butterfly:

The snap-action mechanism in a switch composed of the spring guide, two switch blades and extension spring: a double break mechanism.