A public assembly building has a metal frame structure. What is the minimum size of the bonding jumper required to connect the metal frame to the grounding electrode system?
- A6 AWG
- 8 AWG
- C10 AWG
- D12 AWG
Exam tip
Always refer to the specific requirements for bonding jumpers based on the type of structure and grounding electrode system.
Why B is correct
According to 250.94(A)(1), the minimum size of the bonding jumper is 8 AWG for a metal frame structure.