Is This a Bonding Jumper?

A main bonding jumper shall be a ______ or similar suitable conductor.

a) wire
b) bus
c) screw
d) any of the above

See answer and applicable Code reference

The correct answer is: d) any of the above

Article 250 covers the general requirements for bonding and grounding electrical installations. System grounding rules are outlined in Part II of this Article. As noted in Sec. 250.28(A), "Main bonding jumpers and system bonding jumpers shall be of copper or other corrosion-resistant material. A main bonding jumper and a system bonding jumper shall be a wire, bus, screw, or similar suitable conductor."

 

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