Technician A says that DMMs are assigned CAT ratings based on voltage capacity alone. Technician B says that DMMs are rated according to their ability to handle potential electrical energy. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because DMMs (Digital Multimeters) are rated not just based on voltage capacity but also according to their ability to handle potential electrical energy, which includes factors like transient overvoltages and the environment in which they are used. This is why CAT (Category) ratings are important, as they provide information on the meter's ability to withstand these conditions.

Technician a Says That DMMs Are Assigned CAT Ratings Based