VDC:

Voltage, direct current (see DC)

Tactile Feedback:

The feel of increased or decreased force transmitted through the button or toggle of a switch when

VDE:

Verdband Dentscher Electrotechniker Germany’s equivalent to USA Underwriters’ Laboratories.

Terminal:

The metal portion of a switch, exterior to the body, that is used to connect the switch to an electrical circuit.

Voltage Drop:

Change in voltage that results from a current passing through a device. For switches Voltage drop is typically referred as Contact drop DV.