Examples of INCUMBENT. 1  Voters will have the chance to see the incumbent and her opponent in a series of three debates. 2  Incumbents often have an advantage in elections. It is incumbent upon the press to act not in its own best interests, but in society's best interests. â 2 Carll Tucker, Saturday Review, 23 June 1979. â¦ 3  the various types of obligation incumbent on the members of the profession.
Centrifugal type spark arrestor. A spark arrestor is any device which prevents the emission of flammable debris from combustion sources, such as internal combustion engines, fireplaces, and wood burning stoves. Spark arrestors play a critical role in the prevention of wildland fire and ignition of explosive atmospheres.
Contactors and Contactor Assemblies. Contactor Relays. Contactor relays are switching devices for control and auxiliary circuits and are used to control, provide signals and interlock switching devices and switchgear panels.