installation of fiber optic cable networks comprising cables, connectors, splices and cable assemblies, and repair and maintenance of fiber optic cable networks, namely termination, testing and restoration

OPTICAL COUPLERS, OPTICAL SWITCHES, OPTICAL NOISE DETECTORS, OPTICAL TRANCEIVERS WITH BUILT-IN COLLISION JAM SIGNAL CIRCUITRY, OPTICAL WIRING CENTER IN THE NATURE OF TERMINATING BOXES, OPTICAL COLLISION DETECTION APPARATUS, OPTICAL LOCAL AREA NETWORK TESTER

[ ELEVATOR LIGHTING, CONTROL, SIGNAL, HOISTWAY AND COMPENSATING CABLE; ] CABLE FOR TRANSMISSION OF DATA SIGNALS AND CONNECTING ELEMENTS THEREFOR; [ TELEPHONE CORDS, HOOK-UP WIRE, INSIDE-OUTSIDE WIRE, AIRCRAFT WIRE, PLENUM CABLE, HIGH TEMPERATURE WIRE, FIRE ALARM CABLE, CONTROL AND INSTRUMENTATION CABLE; FIBER OPTIC TOOL UNITS USEFUL IN THE OPERATION OF FUCION AND MECHANICAL SPLICING OF OPTICAL FIBERS, STRIPPING OPTICAL FIBERS OF AN OPTICAL CABLE, EMERGENCY RESTORATION OF OPTICAL FIBER CABLE, ...

TELEPHONE LOAD COILS AND CROSS-CONNECTION TERMINALS, TELEPHONE STATION APPARATUS AND OUTSIDE PLANT PRODUCTS, NAMELY: MODULAR JACKS AND PLUGS AND WALL PHONE HARDWARE, NON-MODULAR CONNECTING BLOCKS, PORTABLE PLUG S AND JACKS, SUPPORT CLAMPS, GROUNDING HARNESSES AND TOOLS THEREFORE,CABLE STUBS, WIRE TERMINALS AND SPLICE CASES

CABLE FOR TRANSMITTING AUDIO AND VIDEO SIGNALS AND CONNECTING ELEMENTS THEREFOR

CABLE FOR USE IN TRANSMITTAL OF AUDIO AND VIDEO SIGNALS AND CONNECTING ELEMENTS THEREFOR

Installation of Optical Communication Systems for Others

CABLE FOR TRANSMITTING AUDIO AND VIDEO SIGNALS AND CONNECTORS THEREFOR