voltage regulator

The company says a faulty voltage regulator sparked the fires.

José J. Villamil, a disaster management consultant, said the blackouts made it very difficult for businesses to move forward because they keep having to spend money on things like voltage regulators.

The machine runs on 220-volt electric current and needs a voltage regulator to work properly.

My best guess is the voltage regulator has fizzled out, which is not something I can fix.

Then, in January, Nasa announced that Peake would step outside the space station to help repair a failed voltage regulator.