Key Switch

A key switch is a switch that can be activated only by a key.

Key switches are usually used in situations where access needs to be restricted to the switch's functions.


Famous quotes containing the words key and/or switch:

    Woe to you lawyers! For you have taken away the key of knowledge; you did not enter yourselves, and you hindered those who were entering.
    Bible: New Testament, Luke 11:52.

    Uncritical semantics is the myth of a museum in which the exhibits are meanings and the words are labels. To switch languages is to change the labels.
    Willard Van Orman Quine (b. 1908)