Apparatus and instruments, namely, [ rheostats, electric circuit closers, ] switchboards, electrical distribution boxes, [ solenoid valves, electromagnetic switches, inductors, induction voltage regulators, ] electrical terminals, electric switches, [ electric resistance wires, electric contacts, voltage limiters, electrical wire connectors, ] chargers for electric batteries, [ current rectifiers, ] electrical control panels, [ electrical current phase modifiers, condensers, capacitors, elect...