USCG Exam PracticeMotor controllers and remote control
According to 46 CFR §111.70-3, each motor controller and motor-control center must be marked externally with which of the following items?
- ✓ Manufacturer's name, voltage, number of phases, current, kW, identification of motor controlled, and current rating of trip settingCorrect
- B. Manufacturer's name, voltage, number of phases, current, and ambient temperature rating only
- C. Voltage, number of phases, horsepower, and wire gauge of supply conductors
- D. Identification of motor controlled, voltage, current, and insulation class of the motor
Why A is correct
46 CFR §111.70-3(d)(1) lists all seven required external markings: manufacturer's name or identification, voltage, number of phases, current, kW (horsepower), identification of the motor being controlled, and current rating of trip setting. None of the other options include the complete required set.
Cited:46 CFR §111.70-3