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Kilowatt hour electric meters, power supply meters. 3d rendering
Electricity energy maintenance. Technician electric work, generator transformer service engineer. Man repairs box power vector illustration
series circuit, basic electric circuits experiment, flat design illustration, Kirchhoff voltage law, Kirchhoff current law, simple electric circuit, on-off circuit
UK electric plug socket, British electrical power outlet, electro equipment wire connection line icon set. English three pin ac cable. Electricity energy. Appliance cord. Wall current switch. Vector

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