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What Is a 3rd Class Stationary Engineer License From Ohio?

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Ohio requires the licensure of a person who works as a stationary engineer. A stationary engineer is also referred to as a stationary steam engineer. To pass the licensing exam, a stationary engineer must have knowledge of a variety of topics, including steam engineering, steam turbines, and high- and low-pressure boilers.


A stationary engineer works with and operates powerhouse equipment, such as boilers, furnaces, generators, fans and turbines. The job duties of a stationary engineer depend on the classification of the worker. Duties may include reading gauges, synchronizing switches, operating fuel burning equipment and directing others.


In Ohio, a stationary engineer must hold a license. A qualified applicant must have 2,000 hours of operating experience or 1,000 hours of operating experience and the completion of a 125-hour course, or a high-pressure boiler operating license and 500 hours of operating experience. The fee for the license is $35 as of 2010; the license must be renewed each year.

Third Class

A stationary engineer is designated according to experience as a first class, second class or third class stationary engineer. A third class stationary engineer has the highest level of experience, and therefore, has a higher pay scale and increased duties.


Jessica McElrath has been a freelance writer since 2000. McElrath is the author of "The Everything John F. Kennedy Book" and "The Everything Martin Luther King Jr. Book." McElrath has a Bachelor of Arts in history from the University of California at Berkeley and a Juris Doctor from Santa Clara University School of Law.

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