What is a method to detect anomalies along a conductor?

Rub a cotton ball along the conductor is not a recognized or effective method for detecting anomalies. In the context of electrical conductors, this method would not provide any meaningful information about potential issues such as shorts, breaks, or insulation failures.

Using infrared imaging is a well-established method for detecting anomalies along conductors. This technique allows investigators to visualize heat patterns and identify areas that are overheating, which could indicate electrical resistance, overloads, or insulation failure. Infrared imaging can detect temperature changes that are not visible to the naked eye, offering valuable insights into the condition of the conductor.

Measuring electrical resistance is another effective way to determine the integrity of a conductor. This approach helps identify issues such as corrosion, bad connections, or other defects. A significant change in resistance compared to normal specifications can indicate an anomaly that requires further investigation.

Visually inspecting for burns can also help identify issues directly related to thermal events that have already occurred along the conductor. However, it is not a proactive method for detecting potential problems before they become severe; it primarily identifies existing damage.

Thus, the best method to detect anomalies along a conductor, which includes assessing potential overheating and other issues, is through infrared imaging.