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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
electric meter modules, namely, self-contained assemblies of electronic components and circuitry that process signals from current transformers into signals that are indicative of electric power loading and energy consumption for output to and use by other devices that transmit, use, or display electric power loads, usage, and energy consumption; current transformers, namely, electrical devices with solid cores or split cores with secondary windings that are adapted for mounting on high voltage electric power wires and outputting low voltage signals that are proportional to alternating electric current flowing in the high voltage electric power wires for inputs to electric meters