What is the purpose of bonding?

What is the purpose of bonding?

• A. To eliminate the differentials in electrical charges that exist or are generated between a component and the aircraft or between two components.
• B. To improve aesthetics
• C. To prevent corrosion
• D. To insulate components

Answer: (A)

Bonding creates a low-impedance path that makes all connected conductive parts share the same electrical potential. On an aircraft, different metal pieces and systems can develop varying charges during operation, fueling, or movement. If those potential differences exist between components or between a component and the airframe, a spark or stray currents can occur when they come together or near each other. Bonding eliminates these differentials, greatly reducing the risk of arcing, sparks, and unwanted static discharge, and it helps keep electrical systems stable and safe. That’s why the option describing eliminating electrical differentials between a component and the aircraft or between two components is the best fit. The other ideas—improving aesthetics, preventing corrosion, or insulation—do not capture the primary safety purpose of bonding.

Bonding creates a low-impedance path that makes all connected conductive parts share the same electrical potential. On an aircraft, different metal pieces and systems can develop varying charges during operation, fueling, or movement. If those potential differences exist between components or between a component and the airframe, a spark or stray currents can occur when they come together or near each other. Bonding eliminates these differentials, greatly reducing the risk of arcing, sparks, and unwanted static discharge, and it helps keep electrical systems stable and safe.

That’s why the option describing eliminating electrical differentials between a component and the aircraft or between two components is the best fit. The other ideas—improving aesthetics, preventing corrosion, or insulation—do not capture the primary safety purpose of bonding.