What test verifies the integrity of air terminals and down conductors in an LPS?

The Bonding Resistance Test is designed specifically to verify the integrity of connections between air terminals and down conductors within a Lightning Protection System (LPS). This test measures the electrical resistance at the bonding points, ensuring that they are properly connected and can efficiently carry lightning current into the ground without significant resistance that could lead to failures or risks during a lightning event. Proper bonding is crucial to the overall functionality of the lightning protection system, as it helps prevent excess electricity from causing damage or hazards to structures and personnel.

The other options do not focus specifically on the bonding integrity necessary for air terminals and down conductors. The Power Loss Test primarily assesses the efficiency of a power system rather than individual components like those in an LPS. The Resistance Ground Test checks the resistance of the ground system as a whole rather than the connections between specific elements. Lastly, the Voltage Drop Test evaluates how much voltage is lost across a component during operation, which is not targeted at assessing bonding integrity in a lightning protection context.