5 Dollar Traffic School Practice Exam

According to NEC Article 250, what is the primary purpose of bonding in an electrical system?

To increase the voltage To establish a low-impedance fault current path back to the source To protect against lightning strikes only To filter out EMI noise

Correct Answer:

To establish a low-impedance fault current path back to the source

Explanation:

Bonding connects all conductive materials together to ensure a low-impedance path to clear ground faults and prevent electric shock.

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