9 electrical and electronic wire; cables, namely, fire optic, co-axial, power computer, aluminum, armored, bare copper, control, data, electronic, five alarm, high temperature, high voltage, instrumentation, mining, plenum, ribbon, telephone, and welding; cable assemblies, namely, fiber optics, co-axial, power scsi, pathchords and data; small computer systems computer interface cable assemblies, fuel monitoring systems comprised of microprocessor-based time switches with leak detector and built in diagnostics; fuel maintenance apparatus in the nature of microprocessor-based time switch with leak detector and built in diagnostics