permanent magnets and magnetostriction elements; caps, clips, and contacts, electrical.
audio amplifiers, complementary amplifiers, amplifiers, operational amplifiers, power amplifiers, radio frequency amplifiers, signal amplifiers, video amplifiers, and magnetic amplifiers.
aerials; masts; tower equipment; attenuators; couplers; transmission lines.
optoelectronic devices and assemblies which display numeric, alpha-numeric, symbolic, or graphic information, emitters, and nondisplay optoelectronic devices, such as couplers, detectors, and switches which perform an active function in an electronic system%
brushes for electrical rotating equipment; carbon stock for brushes; brush arm and holders; lighting electrodes.
conduit; raceways; face plates; condulets; outlet and junction boxes; pole line hardware, not elsewhere classifiable.
tube, knob, cleat, strain, and standoff insulators; feed thru insulators; bead insulators; varnish cambric tape; friction tape.
integrated circuit devices; integrated circuit modules, integrated electronic devices: hybrid, magnetic, molecular, opto-electronic, and thin film.
semiconductor assemblies; semiconductor diodes; semiconductor rectifiers, semiconductor thyristors; transistors; unitized semiconductors; associated hardware except sockets.
rectifying tubes; photoelectric tubes; electron vibrator tubes.
crystal units, processed unmounted crystals, crystal controlled oscillators and noncrystal controlled oscillators
coils, except ignition and magneto; coil assemblies; reactors; transformers.
binding posts; battery clips; stud terminals; test clips.
plugs; jacks; receptacles, electronic component sockets and associated accessories
rotary, knife, toggle, push button, mercury, thermostatic, and differential pressure switches.
circuit breakers and cutouts.
fuseholders; fuse boxes; fuse posts; fuse links; fuse blocks; current limiters; corona balls; electrostatic dischargers.
interference filter capacitors; capacitor mounting hardware.
varistors; resistive ballast tubes; rheostats; resistor networks; resistor mounting hardware; thermistors.