electrical system componentsactuatorsoscillatorstransistorselectron tubescapacitorselectrodesinsulatorsresistorsrheostatsrheotomesracewayselectric cablescircuit breakerscircuitselectric conduitsswitchboardselectric switcheselectric wiringground-fault circuit interruptorspower outletspanelboardsreceptaclestransformerscircuit boardsoccupancy sensorsphotovoltaic cellspunch blocksmagnetrons[temporary alphabetical list: electrical system components]system componentselectrical systemscomponents, electrical systemelectrical system component