In a commercial building, the metal frames of interior partitions must be bonded to the grounding electrode system. What is the minimum size bonding jumper required according to the 2026 NEC?
- A6 AWG
- 8 AWG
- C10 AWG
- D12 AWG
Exam tip
Always check the specific bonding requirements for different types of metal structures and systems.
Why B is correct
The 2026 NEC requires a minimum 8 AWG bonding jumper to connect the metal frames of interior partitions to the grounding electrode system, ensuring proper bonding and fault current path.