Telecommunications equipment in the form of boxes for splicing and terminating fiber optic cables; boxes comprised of trays specially adapted for splicing fiber optics, and also including enclosure housing and bases, latches, gaskets, gel sealing blocks, rubber sealing blocks, cable port plugs, tray towers, and cable retention hardware; fiber optic splicing accessories, namely, splice trays, multi-cable sealers, mounting hardware, slack storage baskets, splitters and multiplexers; mounting hardware for mounting telecommunication boxes; mounting kits for mounting telecommunication boxes containing mounting hardware and brackets; telecommunications apparatus and instruments, namely, mechanical splice closures, tool-less splice closures, fiber optic splice housings, fiber optic splice boxes, and modular building blocks being modular telecommunications equipment closure and housings; fiber optic connectors; fiber optic instruments in the form of apparatus and instruments for conducting, switching, transforming, accumulating optical signals, namely, fiber optic splice closures, fiber optic splice housings, fiber optic splice boxes, fiber management hardware, fiber optic connectors, fiber optic plugs, fiber optic adapters, fiber optic splices, fiber optic splice trays, fiber optic splice cassettes, fiber storage baskets, fiber optic terminals, fiber optic distribution hubs apparatus; instruments for use in organizing fiber optic cables, namely, plastic couplings for organizing and holding fiber optic cable and wiring being for use in relation to fiber optic telecommunications networks; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electrical or optical signals, namely fiber optic splice closures, fiber optic splice housings, fiber optic splice boxes, fiber management hardware, fiber optic distribution frames, fiber optic connectors, fiber optic plugs, fiber optic adapters, fiber optic splices, fiber optic splice trays, fiber optic splice cassettes, fiber optic cables, fiber storage baskets, fiber optic terminals, fiber optic distribution hubs, and fiber optic cabinets; cable seals; cable outlets; cable termination units; optical device storage; Fiber optic enclosures; fiber optic splice trays; fiber optic connectors; fiber optic terminals; fiber optic cables