Which of the following measuring devices might you use?

The choice of using a multimeter, measuring tape, and ohmmeter reflects the various types of measurements needed in lightning protection systems. Each of these devices plays a crucial role in assessing different aspects of the installation and maintenance of such systems.

A multimeter is an essential tool for measuring electrical voltage, current, and resistance. This versatility is particularly valuable in lightning protection systems to ensure proper function and safety, as well as to identify any potential issues with grounding and electrical connectivity.

A measuring tape is important for determining physical dimensions during the installation process. Accurate measurements are vital for the correct positioning of grounding electrodes and other components to ensure that they meet the standards required for effective lightning protection.

An ohmmeter specifically measures resistance, which is critical for verifying that grounding systems work effectively. It helps ensure that connections are low-resistance and that they can carry the expected fault currents without interruption.

Using all of these devices provides a comprehensive approach to ensuring that the lightning protection system functions as intended, making the option of utilizing all of them the most appropriate choice. Each measuring device contributes uniquely to the overall safety and effectiveness of the system.