AC and DC adjustable speed drives for commercial and industrial use; alternating current rectifiers for commercial and industrial use; temperature, pressure, density, flow rate determining units for process monitoring and water treatment control; automatic temperature regulators; temperature responsive bimetallic discs for use in controls; circuit breakers and control panels for commercial and industrial use; controls for heating, cooling and ventilation; thermostatic controls for hot water, electric and oil heating systems for commercial and industrial use or for permanent attachment to plumbing or building structures; cooled and heated liquid dispensing units for permanent attachment to plumbing; electric current control apparatus for commercial and industrial use; electric blowers; electric cable joints and junctions; electric coil holders and electric coils for commercial and industrial use; electric flexible conductors for commercial and industrial use; electric igniters for gas clothes driers and gas and oil furnaces; electric motor controls for starting, stopping, varying the speed or reversing the direction of electric motors; electric power units for commercial and industrial use and uninterruptible power supplies not for use with personal computers (PCs); electric receptacle outlets for commercial and industrial use; electrical cables, electrical connectors, distribution boxes and adaptor assemblies and low voltage controls for commercial and industrial use or for permanent attachment to building structures; electric relays for commercial and industrial use or as controls for valves or motors in permanent installations; electric resistor ribbon; electric resistor wire; electric resistors for commercial and industrial use; electric rheostats for commercial and industrial use or for permanent attachment to building structures; electric soldering irons; electric switches for commercial and industrial use or for permanent attachment to building structures; electric thermal cutouts and safety fuses for commercial and industrial use or sold to original equipment manufacturers (OEM); electric transformers, electrical apparatus supports; electrical distribution boards and boxes, and electrical junction boxes for commercial and industrial use; electrical branch units; automatic test units for testing tactors for commercial and industrial use or for use as parts of central heating or cooling systems; electromagnetic valves; [ electrostatic air cleaners; ] pressure and vacuum gauges; mechanically operated valves; wet and dry shop vacuums; graduated folding rules for carpenters and mechanics; gas burner controls; gas pressure regulators; solenoid operated gas valves; hermetic terminals; electrical inverters for commercial and industrial use; levels; liquid and flowable solids level indicators; luminous signs (exit signs) for commercial and industrial use; make and break switches (electrical) for commercial and industrial use; general purpose manual and automatic locking measuring tapes; non-contacting sensors; display units for measuring mass flow; petrol meters; portable electric power drives; pressure-electric and thermoelectric controls for commercial and industrial use or, for permanent attachment to building structures, or sold to original equipment manufacturers (OEM); quantity indicators; regulatory, recording and interpretative fluid meters and devices used in connection therewith for commercial and industrial use; namely, flow meters for measuring, indicating, recording and controlling the flow of fluids, oil gauges, liquid level gauges, gas flow calibrators and revolution counters; [ safety goggles; seat belt warning unit for vehicle passengers; ] solenoid valves and voltage surge protection units for air conditioning and refrigeration equipment; solid state DC drives; solid state speed controls for AC motors; solid-state flame detecting oil burner controls; switch boxes (electrical) for commercial and industrial use; electric temperature and fluid pressure sensitive switches for commercial and industrial use, or, in residential use, for permanent attachment to building structures or plumbing, or sold to original equipment manufacturers (OEM); thermostats and thermostatic controls for commercial and industrial use or for permanent attachment to building structures, or sold to original equipment manufacturers (OEM); time switches (electrical) for commercial and industrial use or for use as part of motor controls or of thermostats; transformers for commercial and industrial use; electronic motion or position transmitters, particularly adapted for use in connection with flow meters and liquid level indicators; valves operated automatically by electric current control, by solenoid by temperature or other changes in physical conditions; water heater controls; electric heating cables