USCG Exam PracticeMotor controllers and remote control
According to 46 CFR §111.70-3, which item is NOT required to be marked on the exterior of a motor controller?
- A. Manufacturer's name or identification
- B. Number of phases
- ✓ Wiring diagram of the controlled motorCorrect
- D. Current rating of trip setting
Why C is correct
46 CFR §111.70-3(d)(1) lists the required external markings: manufacturer's name, voltage, number of phases, current, kW/horsepower, motor identification, and current rating of trip setting. The elementary wiring/schematic diagram is required on the door interior, not the exterior, per §111.70-3(d)(2).
Cited:46 CFR §111.70-3