Bonding jumpers for service raceways shall be used around impaired connections such as _____ . a)concentric knockouts b)eccentric knockouts c) reducing washers d) all of the above See answer and applicable Code reference The correct answer is: d) all of the above Bonding requirements are outlined in Part V of Art. 250. As noted in Sec. 250.92(B), "Bonding jumpers meeting the requirments of this article shall be used around impaired connections, such as reducing washers ...

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