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.
The Doble LCM500 Leakage Current Monitor can measure condition while a surge arrester is still in service, measuring the quality of the metal oxide blocks and helping manage the risk of failure.A surge arrester may be inexpensive, but it has an important role in protecting your transformers. Safe and effective assessment of metal oxide surge arresters. 2  Inspection of a surge arrester takes less than 15 minutes on location and can be performed with the arrester in service. 3  Can be used for short-term monitoring of one arrester to investigate details in leakage current changes over time.