🔍 Key Concepts

• Ambient temperature as used in electrical equipment and motor nameplates • Difference between motor internal temperature and surrounding air temperature • How temperature rise is defined relative to something else

💭 Think About

• When an engineer designs a motor, what temperature are they assuming the motor will be surrounded by when it is installed? • Is ambient temperature something inside the motor windings, or outside the motor in the space where it operates? • Which option sounds like a reference point that other temperatures (like temperature rise) are measured from?

✅ Before You Answer

• Identify which choice describes the temperature of the environment, not the motor itself • Separate the idea of temperature rise (how much hotter the motor gets) from the starting reference temperature • Eliminate any options that mix up operating temperature of the motor with the temperature around the motor