WIRING DEVICES OF VARIOUS TYPES-NAMELY, RECEPTACLES, PLUGS, ADAPTERS, CONNECTORS, CONNECTOR BODIES, FLANGED INLETS AND OUTLETS, MOTOR BASES, EXPLOSION-PROOF RECEPTACLES AND PLUGS; PLUGS AND CONNECTORS; WALL MOUNTING PLATES; SWITCH DEVICES OF VARIOUS TYPES-NAMELY, LIMIT, LOCKING, SPEED RESPONSIVE, EXPLOSION-PROOF, TAMPERPROOF, CENTRIFUGAL, WOBBLE, REVERSING, TOGGLE, LIGHTED TOGGLE, PUSHBUTTON, LIGHTED PUSHBUTTON; PUSHBUTTON STATIONS; CIRCUIT INTERRUPTERS; CIRCUIT TESTING APPARATUS-NAMELY, CONTINUITY TESTERS, POLARITY CHECKERS; JUNCTION BOXES; POWER DISTRIBUTION BOXES; GROUNDING DEVICES; POWER SUPPLIES; FAULT DETECTING CIRCUITS; RELAYS; MOTOR STARTERS; POWER SUBSTATIONS; FUSES; MOTOR SPEED CONTROLS; MOTOR DIRECTION CONTROLS; LIFTING MAGNET MONITORS; CRANE CONTROLS FOR CONTROLLING THE HOIST AND/OR TRAVEL OF OVERHEAD CRANES; TIMERS FOR TIMING ACCELERATION OF CRANE HOISTS; INSULATORS; TERMINALS; RESISTORS; CONTACTORS; TRANSFORMERS; CONDUIT FITTINGS; SWITCHGEAR APPARATUS FOR DISTRIBUTING HIGH VOLTAGES TO ELECTRICAL LOADS; RECTIFIERS; RAIL BONDS; SYSTEMS FOR SENSING THE PRESENCE, POSITION, SPEED AND DIMENSIONS OF MOVING ARTICLES-NAMELY, HOT METAL DETECTORS, HOT AND COLD OBJECT BACK-LIGHTED DETECTORS, OPTICAL SCANNING POSITION DETECTORS, CONSTANT SPEED NONCONTACTING LENGTH MEASURING GAUGES, VARIABLE SPEED NONCONTACTING LENGTH MEASURING GAUGES; ELECTRONIC EQUIPMENT FOR MONITORING AND/OR CONTROLLING CONDITIONS AT DIFFERENT LOCATIONS; EQUIPMENT FOR PRODUCING, TRANSMITTING, RECEIVING AND PROCESSING TELECOMMUNICATION DATA AND/OR SIGNALS-NAMELY, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, AMPLIFIERS, ANALOG-TO-DIGITAL CONVERTERS, DATA REPEATERS, ECHO SUPPRESSORS, MODEMS, FREQUENCY MULTIPLEXERS, DATA REGISTERS, STATION SELECTORS, CARRIER MONITORS FOR DETECTING CARRIER FREQUENCIES, CODE TRANSLATORS FOR SERIALIZING CODED INPUT SIGNALS; [ EQUIPMENT FOR USE IN THE TELEGRAPH INDUSTRY-NAMELY, IDLE LINE TELEPRINTER MOTOR CONTROLS, MESSAGE NUMBERING DEVICES; ] EQUIPMENT FOR USE IN THE TELEPHONE INDUSTRY-NAMELY, RING DOWN CIRCUITS, TERMINAL BUFFERS, VOICE COUPLERS, SINGLE FREQUENCY TRANSMITTERS DATA SETS; TERMINAL INTERFACE SYSTEMS-NAMELY, PROGRAMMABLE TERMINAL CONTROLLERS; [ POWER DISTRIBUTION SYSTEMS FOR USE IN THE MINING INDUSTRY; ] INSULATED WIRE AND CABLE; AND PARTS OF ALL OF THE FOREGOING GOODS