Assertion: electrical ballast | /r/HasProperty | device
Facets:
Source sentences:
text: An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.
text: An electrical ballast is a device that limits the current through an electrical load.
text: An electronic ballast (or electrical ballast) is a device which controls the starting voltage and the operating currents of lighting devices.