What is the maximum voltage between circuit conductors using plug fuses?

The maximum voltage between circuit conductors using plug fuses is 125 volts. Plug fuses are commonly used in residential wiring, especially in older homes, and are designed to protect circuits from overload. In standard household applications, the typical voltage levels are 120 volts, but plug fuses accommodate the slightly higher voltage of 125 volts due to variations in line voltage and potential surges. This allows for a safety margin and ensures reliability in maintaining the circuit's functioning without risk of damage. It’s important to understand that different types of fuses and circuit breakers are rated for specific voltage levels, and knowing these ratings helps ensure safe and effective electrical installations.