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    thermal imaging

    2. Thermal imaging is used by what type of overcurrent protective device (OCPD)?

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    Quote Originally Posted by MortalSnacks View Post
    2. Thermal imaging is used by what type of overcurrent protective device (OCPD)?
    Thermal imaging is used by what type of overcurrent protective device (OCPD)?
    a. Thermal-Magnetic
    b. Oil dashpot
    c. Digital/microprocessor
    d. Air Dashpot

    Answer: C. Digital/microprocessor
    Digital and microprocessor-controlled OCPD employ thermal imaging to mimic thermal memory that is characteristic of thermal bi-metal breakers.

    Source: Winter 2013 NETAWORLD Quiz

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