Understanding of Installation, Inspection, Terminating, Testing and Troubleshooting of ISP/OSP Telecommunications Systems (Fiber Optics, Category 5, 6, 6A & Associated Equipment), including Backbone & Riser Cable (Copper & Fiber), various Pathways & Cable Tray (TC, MDF & IDF), Plywood, Cabinets & Racks, various Telecommunications Devices, Prefabricated Components and Assemblies, and Telecommunications Grounding Systems.