Topic outline

  • HV Substation Equipment: Air Switches

    Credits: 2 PDH

    PDH Course Description:

    This course is an overview of high-voltage, outdoor air switches used in air-insulated electrical transmission, distribution, and switching substations.

    Topics:

    • Applicable national standards which apply to air switches
    • Disconnecting Switches
    • Isolating Switches
    • Grounding Switches
    • Horn-Gap Switches
    • Interrupting Switches
    • Selector Switches
    • various constructions of outdoor air switches
    • overview of service conditions
    • switch ratings
    • testing procedures for air switches

    To take this course:

    1.) Enroll in Course: Click below to enroll:
    (must be logged into your user account)


    2.) Study: Once enrolled, click below to begin the course:

    Download the Study Guide

    3.) Test: Once you've thoroughly read the course materials, please click below to take the final examination.

    Take the final exam

    4.) Certificate: A passing grade of 70% or higher on the exam, is required to receive the certificate of completion for this PDH course.
         NOTE: After the exam is completed, you will need to return to this page, in order to print (download) the certificate of completion.

    Print the Certificate of Completion

    Intended Audience: This course would typically apply to those working within the power generation field of practice such as: electrical, mechanical, energy, civil, construction, environmental, and control engineers.
    Publication Source: US Dept. of Agriculture


    Donald Parnell, PE

    • Topic 1