Q. What are the grounding requirements for a portable generator?
A. According to 250.34(A), the frame of a portable generator isn't required to be grounded (connected to the earth) if:
- The generator only supplies equipment or receptacles mounted on the generator, and
- The metal parts of the generator and the receptacle grounding terminal are connected to the generator frame.
- The generator frame is bonded to the vehicle frame,
- The generator only supplies equipment or receptacles mounted on the vehicle or generator, and
- The metal parts of the generator and the receptacle grounding terminal are connected to the generator frame.