the contact returning to its original state a predetermined time interval after removal of operating force, e.g. for staircase lighting

Introduced: September 1968

Last revised: January 2006

Full Title

Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch > having a single operating member > the contact returning to its original state a predetermined time interval after removal of operating force, e.g. for staircase lighting

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC ELEMENTS
Subclass:: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES