Why are single-element fuses particularly suited for the protection of circuit breakers with low interrupting ratings?

a. They have a high speed of response to overcurrents.
b. They have a low speed of response to short circuit currents.
c. They can be applied in circuits subject to temporary motor overload.
d. They can be used in circuits other than motor branch circuits and feeders, such as
lighting circuits.


a. They have a high speed of response to overcurrents.

Trades & Technology

You might also like to view...

Load-chart capacities limited by stability when on outriggers are based on which percentage of tipping load by test?

a. 1 percent b. 50 percent c. 75 percent d. 85 percent

Trades & Technology

The length of the estrous cycle in hogs and cattle is the same

Indicate whether this statement is true or false.

Trades & Technology

Highlighting the ____ of sites to be interiorscaped with plants is a good idea

a. entrances c. windows b. corridors d. focal areas

Trades & Technology

What is the instantaneous voltage at 17° on a 169 VP sine wave?

A) 98.8 V B) 80.5 V C) 49.4 V D) 161 V

Trades & Technology