What is the minimum voltage rating of branch circuit fuses?

The minimum voltage rating of branch circuit fuses is 125 volts. This rating is important as it ensures that the fuses are suitable for use in branch circuits, which are typically found in residential and commercial electrical systems.

Fuses serve a critical role in protecting electrical circuits from overcurrent conditions, preventing equipment damage and potential fire hazards. When selecting fuses, it's essential to consider their voltage rating to ensure they can handle the operational voltage of the circuit without risking failure or safety issues. A fuse rated below this threshold may not adequately protect the circuit, particularly in situations where voltage surges or spikes could occur.

A rating of 125 volts is standard in many applications, providing a good balance between safety and functionality in typical residential and commercial wiring configurations.