several old light switches were still attached to the dirty white walls

electric electricity energy power cable plug electrical technology connection voltage supply equipment switch wire home outlet vector connect white design concept background wall symbol cord object house icon plastic sign current interior device appliance network connector safety volt adapter flat line light isolated disconnect hand electrician household unplugged charge circuit control dangerous room indoors risk construction installation shock wires sockets lightbulb maintenance electrify electricplug voltmeter isometric portable rechargeable shortcircuit electricappliance electricaldevice watt battery generator connections caution charger electronic