What is the most common measurement made with an electrical meter?

When using an electrical meter, voltage is the most common measurement taken. Voltage is a critical parameter in electrical systems, as it indicates the potential difference that drives electrical current through a circuit. Understanding the voltage present in a system helps technicians assess functionality, troubleshoot issues, and ensure that equipment operates within safe limits.

While amperage, watts, and resistance are also important measurements, they are often derived from voltage and current readings. For instance, one calculates watts by multiplying voltage and amperage, and resistance can be found using Ohm's Law, which relates voltage, current, and resistance. However, determining the voltage is usually the first step when diagnosing or working within electrical systems, making it the most frequently measured variable.