Transcription of Grounding Requirements for Portable Generators
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Grounding Requirements for Portable Generators
Frame of a Portable generator need not begrounded (connected to earth) and that theframe may serve as the ground (in place ofthe earth): The generator supplies only equipmentmounted on the generator and/or cord- and plug-connected equipment throughreceptacles mounted on the generator, (f)(3)(i)(A), and The noncurrent-carrying metal parts ofequipment (such as the fuel tank, the inter-nal combustion engine, and the generator shousing) are bonded to the generatorframe, and the equipment Grounding con-ductor terminals (of the power receptaclesthat are a part of [mounted on] the genera-tor) are bonded to the generator frame, (f)(3)(i)(B). Thus, rather than connect to a groundingelectrode system, such as a driven groundrod, the generator s frame replaces thegrounding these conditions do not exist, then agrounding electrode, such as a ground rod,is required.
• Use double-insulated tools and equipment distinctively marked as such, where possi-ble. • Use battery-operated tools, where possible. Verification by Testing The integrity of the connection between the generator’s frame and the equipment grounding terminals of power receptacles is important to the safe use of the equipment.
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