Bob and Btu Buddy were on a service call yesterday where the compressor motor was running overloaded due to internal load; the bearings were dragging or worn. Btu Buddy told Bob, “Motor overload ...

To prevent a motor from burning up, you must provide a means of protecting it from overcurrent (overload, short circuit, or ground fault). If you can remember not to confuse motor protection with ...

Part III of Art. 430 contains the requirements for motor branch-circuit overload protection. Part IV contains the requirements for motor branch-circuit short-circuit and ground-fault protection. The ...