🔍 Key Concepts

• Motor full-load current (FLC) on the nameplate and what it represents • Relationship between electrical current and mechanical/electrical load on a motor • Why relying on temperature or visible damage is not a safe or precise diagnostic method

💭 Think About

• Which method gives you an objective, measurable comparison against the motor’s designed operating limits? • At what point in the overload process do heat and smoke appear compared with an increase in current? Early warning or late warning? • What is the purpose of overload (O/L) relays and how are they supposed to operate in relation to motor current?

✅ Before You Answer

• Check which option uses the motor’s nameplate data (full-load current rating) for comparison. • Consider which procedure would indicate an overload before damage occurs, not after. • Verify which choice describes a standard, recommended practice in electrical troubleshooting and preventive maintenance.