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What is Understanding Electrical Measurement Categories about?

This document provides an overview of measurement categories (CAT I, CAT II, CAT III, CAT IV) for electrical test and measurement tools. It explains that tools are designed for specific applications and exceeding those parameters can lead to inaccurate measurements or injury. It then defines each category, with CAT I being measurements of protected secondary circuits and CAT IV being measurements at the origin of installation. An example is also provided to illustrate how measurement categories relate to vo

Author

ferruzzi

Language

EN