Horizontal FOSC

In-line splice closures for aerial, duct and direct-buried straight-through joints

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The Range

All 8 Horizontal FOSC Products

Horizontal FOSC

ELHY001

Used for duct and hand-hole joints on buried feeder runs.

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Horizontal FOSC

ELHY002

Used for straight-through joints on aerial distribution cable.

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Horizontal FOSC

ELHY003

Used for duct and hand-hole joints on buried feeder runs.

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Horizontal FOSC

EL001

Used for restoration splicing after a cable cut.

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Horizontal FOSC

EL003

Used for staged network builds where trays are added later.

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Horizontal FOSC

EL004

Used for branch splicing to serve a street or a building cluster.

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Horizontal FOSC

EL005

Used for restoration splicing after a cable cut.

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Horizontal FOSC

EL006

Used for staged network builds where trays are added later.

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Why It Matters

Horizontal FOSC In Practice

A horizontal splice closure is the flat, cigar-shaped enclosure used where a cable passes through a joint rather than ending at one. Cables enter at both ends, the fibres are spliced in trays inside, and the closure is resealed. It is the format that suits aerial lashing, duct pulling and hand-hole mounting.

Problems This Range Solves

Joints that let water in after the first freeze and thaw cycle
Closures that cannot be reopened without destroying the seal
Tray capacity that runs out halfway through a network's life
Mounting hardware that does not suit aerial, wall and hand-hole use equally
Fiber routing inside the closure that violates the bend radius

Who It Is For

FTTH and access network construction contractors
Telecom operators maintaining outside plant
CATV network builders
Utility and campus network owners
Maintenance crews carrying out restoration splices

Where It Is Used

Straight-through joints on aerial distribution cable
Duct and hand-hole joints on buried feeder runs
Branch splicing to serve a street or a building cluster
Restoration splicing after a cable cut
Staged network builds where trays are added later

Core Advantages

What You Get From Our Horizontal FOSC

Advantages

Flat profile that lashes to aerial strand and pulls into duct
Mechanical seal that can be reopened for later splicing work
Stackable trays so capacity can grow without replacing the closure
Routing guides that hold the fiber above its minimum bend radius
Grommet-based cable entry sized for common drop and feeder cables

Technical Features

Mechanical sealing without heat shrink or gas
Multiple cable entry ports with sealing grommets
Stackable splice trays with heat-shrink sleeve holders
Integrated fiber routing and slack storage
Aerial, wall and pole mounting hardware options

Materials

High-impact engineering plastic shell
Rubber sealing gaskets and grommets
Stainless steel latches and fasteners
Thermoplastic splice trays

Customization Options

Tray count and fiber capacity
Cable entry port count and grommet sizing
Aerial, wall or pedestal mounting kits
Tray type for single-fiber or ribbon splicing
Private-label molding and packaging on volume orders

Manufacturing Process

Shell molding and dimensional inspection
Gasket and grommet fitting
Tray and routing hardware assembly
Seal integrity testing
Kit packing with mounting hardware and consumables

Quality Control

Seal integrity verified on sample closures
Repeat open-and-close cycling on samples
Impact and UV resistance testing per production lot
Tray capacity and routing radius verified against the design
Kit contents checked against the packing list before dispatch

Industries

Where This Range Is Specified

Telecom and Carrier Networks

Passive components for access, metro and transmission plant that has to stay up for decades

Use Guide

Specifying and Handling Horizontal FOSC

Before You Order

Choose capacity for the network's planned end state, not today's fiber count
Prepare and anchor the cable strength member before any splicing
Route fiber through the guides and keep slack inside the tray

On Site

Seat the sleeve fully in the tray holder before closing
Check gasket seating all the way round before latching
Record tray and position numbers so a future crew can find the splice

FAQ

Horizontal FOSC Questions

What is the difference between a horizontal and a dome closure?

A horizontal closure takes cables in at both ends and suits straight-through joints, aerial lashing and duct work. A dome closure takes cables in at one base and suits vertical mounting on poles, walls and in hand holes. Choose by cable geometry, not by preference.

Can the closure be reopened after it is sealed?

Yes. These use a mechanical seal rather than heat shrink, so a later crew can open the closure, add splices and reseal it with a new gasket where needed.

How many fibres does one closure hold?

Capacity depends on the tray count and tray type ordered. Tell us your planned end-state fiber count and we will confirm the configuration rather than leaving you to add trays later.

Is the closure suitable for direct burial?

The sealed shell is designed for outside-plant environments including hand holes and buried applications. Confirm the intended installation with us so the right gaskets and entry ports are supplied.

What comes in the box?

The closure, its trays, sealing grommets, splice sleeve holders and the mounting hardware for the ordered installation type. Consumable counts are confirmed on the packing list.

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