administration line icons collection. circuitry, connections, conductors, current, voltage, resistance, schematics

vector icon line sign circuitry connections conductors current voltage resistance schematics power transformers amplifiers diodes capacitors inductors switches relays motors generators transistors rectifiers fuses breakers resistors conductivity grounding voltmeters ammeters ohmmeters kilovolts grids wiring electrical safety smart meters energy management electric panels threephase systems oscilloscopes regulators overload protection circuit insulation induction engineering analysis devices