Inline Fibre Splice Closures Price in Kenya
12 Core Fibre Closure in Kenya
KSh 3,000.00
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Continue shopping12 Core Fibre Closure in Kenya
The 12 Core Fibre Closure is a compact fibre optic enclosure designed to protect and organize up to 12 optical fibre splices where two or more fibre cables need to be joined, extended, repaired or branched. It is widely used in FTTH, FTTx, telecommunications, ISP backbone, CCTV and campus fibre networks where reliable protection of fusion-spliced fibre joints is essential.
Unlike an ODF or fibre terminal box that normally presents accessible adapter ports, a fibre closure primarily protects fibre-to-fibre splices. Individual fibres are routed into an internal splice tray, fusion-spliced and protected with splice sleeves before the enclosure is sealed against dust, moisture and mechanical damage. 12-core closures are commonly available in horizontal or inline configurations and can be used for aerial, duct and direct-buried fibre projects.
At Fiber Optics Kenya, the 12 Core Fibre Closure is suitable for ISPs, fibre contractors, telecommunications companies, residential FTTH projects, CCTV fibre infrastructure and enterprise backbone installations. Matching fusion splice sleeves, outdoor fibre cables, ADSS cables, armoured fibre cables, fusion splicers, cleavers, strippers, VFLs, power meters and OTDRs can also be supplied.
Key Product Specifications
| Specification | Details |
|---|---|
| Product Name | 12 Core Fibre Closure |
| Product Type | Fibre Optic Splice Closure |
| Also Known As | FOSC / Fibre Joint Closure / Splice Enclosure |
| Nominal Fibre Capacity | 12 Fibres |
| Typical Splice Capacity | Up to 12 Fusion Splices |
| Closure Style | Horizontal / Inline commonly |
| Typical Cable Arrangement | 2 In / 2 Out depending on model |
| Fusion Splicing | Supported |
| Mechanical Splicing | Possible on compatible trays |
| Splice Tray | Included / integrated depending on model |
| Fibre Slack Storage | Integrated |
| Cable Strength Member Fixing | Supported |
| Typical Material | ABS / PC / PP Engineering Plastic |
| Weather Resistance | Yes on outdoor models |
| Typical IP Rating | IP65 / IP67 / IP68 depending on model |
| Aerial Installation | Yes |
| Wall Installation | Available |
| Pole Installation | Available on compatible models |
| Duct Installation | Yes |
| Underground Installation | Yes on appropriately rated models |
| Fibre Types | Single Mode / Multimode |
| Electrical Power Required | No |
| Applications | FTTH, FTTx, ISP, Telecom, CCTV, CATV |
| Professional Installation | Available |
| Delivery | Available throughout Kenya |
Commercial horizontal fibre closures are available from 12 fibres upward, and modern horizontal enclosures commonly offer IP-rated weather protection, UV-resistant engineering-plastic housings and support for outside-plant environments.
What Is a 12 Core Fibre Closure?
A 12 Core Fibre Closure is used to create a secure environmental enclosure around optical fibre joints.
| Component | Function |
|---|---|
| Outer Housing | Protects fibre splices |
| Cable Entry Ports | Allows fibre cables to enter |
| Cable Clamps | Secures incoming cables |
| Strength Member Fixing | Anchors cable mechanically |
| Splice Tray | Organizes fusion joints |
| Splice Sleeves | Protects individual splices |
| Fibre Routing Area | Maintains safe fibre routing |
| Slack Storage | Stores excess fibre |
| Sealing System | Protects against moisture and dust |
| Closure Bolts / Clamp | Keeps enclosure securely closed |
A fibre optic splice closure is fundamentally a protective component used to connect two or more fibre cables while shielding their joints from the surrounding environment.
What Does 12 Core Mean?

| Term | Meaning |
|---|---|
| 12 Core | Capacity for up to 12 optical fibres |
| Fibre Closure | Protective fibre splice enclosure |
| FOSC | Fibre Optic Splice Closure |
| Fusion Splice | Permanent fibre-to-fibre joint |
| FTTH | Fibre to the Home |
| FTTx | Fibre to different network endpoints |
| ISP | Internet Service Provider |
The 12-core rating normally refers to the number of fibre splices the enclosure is designed to manage, although exact capacity and tray construction vary by model.
How a 12 Core Fibre Closure Works
The incoming and outgoing fibre cables are routed into the enclosure through sealed ports. The cable jackets and strength members are secured so that mechanical forces do not reach the delicate optical fibres.
| Stage | Function |
|---|---|
| Incoming Fibre Cable | Brings network fibres |
| Cable Entry Port | Provides protected entry |
| Cable Fixing | Prevents cable movement |
| Strength Member Anchor | Transfers mechanical loads |
| Fibre Preparation | Exposes individual fibres |
| Fusion Splicing | Joins matching fibres |
| Splice Sleeve | Protects fibre joint |
| Splice Tray | Stores completed splices |
| Fibre Slack Storage | Keeps maintenance loops |
| Outgoing Fibre Cable | Continues network route |
Typical 12-Fibre Splice Organization
| Fibre | Typical Assignment |
|---|---|
| 1 | Fibre 1 |
| 2 | Fibre 2 |
| 3 | Fibre 3 |
| 4 | Fibre 4 |
| 5 | Fibre 5 |
| 6 | Fibre 6 |
| 7 | Fibre 7 |
| 8 | Fibre 8 |
| 9 | Fibre 9 |
| 10 | Fibre 10 |
| 11 | Fibre 11 |
| 12 | Fibre 12 |
Keeping all twelve splices clearly arranged makes troubleshooting and future re-entry significantly easier.
Typical 12-Core Fibre Colour Sequence
| Fibre | Typical Colour |
|---|---|
| 1 | Blue |
| 2 | Orange |
| 3 | Green |
| 4 | Brown |
| 5 | Slate |
| 6 | White |
| 7 | Red |
| 8 | Black |
| 9 | Yellow |
| 10 | Violet |
| 11 | Rose |
| 12 | Aqua |
The actual cable colour arrangement should always be confirmed against the fibre cable manufacturer's specification before splicing.
Horizontal 12 Core Fibre Closure
Many 12-core closures use a compact horizontal or inline design.
| Feature | Benefit |
|---|---|
| Inline Shape | Convenient for straight cable joints |
| Cable Entry at Ends | Natural cable routing |
| Compact Size | Easy installation |
| Splice Tray Access | Convenient maintenance |
| Outdoor Housing | Protects fibre joints |
| Branch Capability | Available on multi-port models |
12-core inline horizontal fibre splice boxes are commercially available specifically for FTTH and fibre jointing applications.
Typical 2 In / 2 Out Configuration

Many compact 12-core closures use four cable entry points.
| Port | Typical Function |
|---|---|
| Input 1 | Incoming feeder fibre |
| Input 2 | Additional / branch cable |
| Output 1 | Continuing fibre route |
| Output 2 | Branch / distribution cable |
A current 12-core horizontal joint closure is available in a 2-in/2-out arrangement, demonstrating a common configuration for this capacity.
Straight-Through Fibre Joint
A 12-core closure is useful when joining two sections of the same fibre route.
| Connection | Function |
|---|---|
| Cable A Fibre 1 | Spliced to Cable B Fibre 1 |
| Cable A Fibre 2 | Spliced to Cable B Fibre 2 |
| Cable A Fibre 3 | Spliced to Cable B Fibre 3 |
| … | … |
| Cable A Fibre 12 | Spliced to Cable B Fibre 12 |
This is common when extending a fibre route or repairing damaged cable.
Fibre Branching
The closure can also be used to branch selected fibres toward another route where the port configuration allows.
| Example | Use |
|---|---|
| Fibres 1–4 | Continue straight |
| Fibres 5–8 | Branch toward Building A |
| Fibres 9–12 | Branch toward Building B |
The exact branching arrangement depends on cable count, tray capacity and closure entry ports.
IP65, IP67 and IP68 Fibre Closures
Different closure models offer different levels of environmental protection.
| Rating | Typical Protection |
|---|---|
| IP65 | Dust-tight and resistant to water jets |
| IP67 | Dust-tight with temporary immersion protection |
| IP68 | Higher manufacturer-defined immersion protection |
Modern horizontal fibre splice closure ranges commonly include IP68-rated options and fibre capacities starting around 12 fibres, although the exact rating must be checked for the specific product supplied.
Why Environmental Sealing Matters
Outdoor fibre splices are vulnerable to moisture and contamination if the closure is poorly sealed.
| Threat | Closure Protection |
|---|---|
| Rainwater | Sealed housing |
| Dust | Gasket / compression seal |
| Mud | Closed enclosure |
| UV Exposure | UV-resistant housing on suitable models |
| Cable Movement | Internal clamps |
| Mechanical Impact | Protective shell |
| Insects | Sealed cable entries |
Dome-type outdoor closures are likewise designed to protect fibre joints against UV exposure, water and weather, illustrating the key environmental role of splice closures generally.
Aerial Installation
A 12-core closure can be used in overhead fibre networks where its mounting system supports aerial deployment.
| Feature | Benefit |
|---|---|
| Pole / Messenger Installation | Suitable for aerial routes |
| Weather-Resistant Housing | Protects outdoor splices |
| Compact Size | Easier mounting |
| Re-Entry | Allows network maintenance |
| Cable Anchoring | Protects fusion joints |
12-core horizontal closures are specifically available for aerial, duct and direct-buried applications.
Duct Installation
Horizontal closures are also suitable for fibre routes installed inside telecom ducts.
| Advantage | Benefit |
|---|---|
| Compact Housing | Fits suitable chambers |
| Cable Sealing | Prevents contamination |
| Inline Construction | Natural cable continuation |
| Splice Tray | Organizes fibres |
| Re-Entry | Supports future maintenance |
Underground Installation
Appropriately rated fibre closures can be installed in underground chambers and handholes.
| Requirement | Recommendation |
|---|---|
| Water Protection | Select suitable IP-rated model |
| Cable Entry Seals | Install correctly |
| Closure Position | Avoid unnecessary mechanical stress |
| Fibre Slack | Leave maintenance loop |
| Splice Protection | Use quality sleeves |
| Testing | Test before final sealing |
Do not assume every 12-core closure is suitable for direct underground use; always confirm its environmental rating first.
12 Core Fibre Closure vs Fibre Termination Box

| Feature | Fibre Closure | Fibre Termination Box |
|---|---|---|
| Main Purpose | Protect fibre-to-fibre splices | Terminate and patch fibres |
| Adapters | Usually Not Required | Common |
| Pigtails | Usually Not Required | Common |
| Fusion Splicing | Primary Function | Supported |
| Outdoor Use | Excellent | Available |
| Underground Use | Available | Less Common |
| Patch Cord Access | Normally No | Yes |
12 Core Fibre Closure vs ODF
| Feature | Fibre Closure | ODF |
|---|---|---|
| Typical Location | Outside Plant | Network Rack |
| Fusion Splicing | Excellent | Excellent |
| Patch Ports | Usually No | Yes |
| Rack Mounting | No | Yes |
| Weather Resistance | High | Low |
| Underground Use | Available | No |
| Cable Jointing | Excellent | Less Suitable |
12 Core Fibre Closure vs FAT Box
| Feature | Fibre Closure | FAT Box |
|---|---|---|
| Main Function | Cable joint protection | Subscriber distribution |
| Adapter Ports | Usually None | Common |
| PLC Splitter | Usually No | Common |
| Fibre-to-Fibre Splicing | Excellent | Supported |
| Subscriber Activation | Not Direct | Easy |
| Outdoor Deployment | Excellent | Excellent on rated models |
12 Core vs 24 Core Fibre Closure
| Feature | 12 Core | 24 Core |
|---|---|---|
| Nominal Splice Capacity | 12 | 24 |
| Physical Size | Smaller | Larger |
| Small Fibre Route | Excellent | Good |
| Medium Distribution Route | Moderate | Excellent |
| Splice Management | Simple | Higher |
| Future Expansion | Lower | Better |
12 Core vs 48 Core Fibre Closure
| Feature | 12 Core | 48 Core |
|---|---|---|
| Splice Capacity | 12 | 48 |
| Relative Capacity | 1× | 4× |
| Small FTTH Branch | Excellent | Often Oversized |
| Backbone Route | Small | Excellent |
| Physical Size | Compact | Larger |
| Network Expansion | Limited | High |
Key Benefits of 12 Core Fibre Closure
Compact Fibre Jointing
The enclosure provides enough capacity for smaller 12-fibre routes without requiring a large closure.
Protected Fusion Splices
Splice trays and sleeves keep delicate fibre joints organized and secure.
Outdoor Installation
Horizontal fibre splice enclosures are designed for outdoor applications such as aerial, duct and buried fibre routes.
Flexible Cable Routing
2-in/2-out and other multi-port configurations allow straight-through and branch fibre arrangements.
Weather Protection
IP-rated closure options protect fibres against dust, rain and other environmental exposure.
Re-Entry for Maintenance
Compatible mechanical closures can be reopened for additional splicing or fibre repair.
Fibre Slack Management
Extra fibre can be safely stored for future maintenance.
Passive Operation
No electrical supply or configuration is required.
Watch 12 Core Fibre Closure
Watch on YouTube: https://youtu.be/Ko-2cpLTYdc
The 12 Core Fibre Closure provides a compact and protected point for joining smaller fibre optic cables across FTTH, telecommunications and ISP networks. Rather than exposing fusion splices along the cable route, the closure secures them within a dedicated tray while the outer enclosure protects against environmental and mechanical damage. Fibre splice closures are specifically intended to connect multiple fibre cables while protecting the resulting optical joints.
For smaller outside-plant fibre routes, the 12-core capacity offers a practical alternative to oversized 24-, 48- or 96-core enclosures. Horizontal 12-core models are available for aerial, duct and direct-buried deployment, while 2-in/2-out designs allow installers to make either straight-through cable joints or simple branch connections.
Correct sealing and fibre management remain important regardless of the relatively small capacity. Technicians should secure cable strength members, maintain proper bend radius, protect every fusion splice with a suitable sleeve and test the optical path before closing the enclosure. Fiber Optics Kenya can supply the 12 Core Fibre Closure together with fibre cables, splice sleeves, fusion-splicing tools, cable preparation equipment, VFLs, optical power meters and OTDRs for complete fibre jointing projects.
Applications of 12 Core Fibre Closure
1. FTTH Networks
Protects fibre joints in small residential subscriber distribution routes.
2. FTTx Networks
Provides protected optical splicing throughout access networks.
3. ISP Networks
Joins distribution and access fibre cable sections.
4. Telecommunications Networks
Protects optical cable joints in outside-plant infrastructure.
5. CCTV Fibre Networks
Provides secure joints for outdoor surveillance fibre links.
6. Aerial Fibre Networks
Suitable models can be installed along overhead fibre routes.
7. Underground Fibre Networks
IP-rated models can be used in chambers and handholes.
8. Duct Fibre Networks
Provides inline fibre cable joints within telecom duct infrastructure.
9. Campus Networks
Joins fibre routes connecting buildings.
10. Fibre Cable Repair
Provides a permanent protective enclosure around repaired optical fibres.
Typical Fibre Network Architecture
| Network Stage | Component |
|---|---|
| Network / POP | ODF / Active Equipment |
| Feeder Fibre | Outdoor Fibre Cable |
| Cable Joint | 12 Core Fibre Closure |
| Fusion Splices | Up to 12 |
| Distribution Cable | Outdoor Fibre Cable |
| FAT / FDB | Subscriber Distribution |
| FTTH Drop Cable | Customer Fibre |
| ATB | Final Fibre Termination |
| ONT | Subscriber Equipment |
Typical Installation Process
| Step | Procedure |
|---|---|
| 1 | Choose suitable closure location |
| 2 | Open the enclosure |
| 3 | Route fibre cables through ports |
| 4 | Strip outer cable jackets |
| 5 | Secure strength members |
| 6 | Route buffer tubes |
| 7 | Identify matching fibres |
| 8 | Strip and clean fibres |
| 9 | Precision cleave |
| 10 | Fusion-splice fibres |
| 11 | Fit splice sleeves |
| 12 | Store splices in tray |
| 13 | Arrange fibre slack |
| 14 | Seal unused cable ports |
| 15 | Close enclosure securely |
| 16 | Test optical link |
Installation Considerations
| Installation Factor | Recommendation |
|---|---|
| Fibre Capacity | Confirm 12 cores are sufficient |
| Cable Diameter | Match closure ports |
| Cable Port Quantity | Confirm straight/branch requirement |
| IP Rating | Match installation environment |
| Cable Strength Member | Anchor securely |
| Fibre Bend Radius | Avoid tight loops |
| Splice Sleeves | Protect all joints |
| Cable Seals | Install correctly |
| Fibre Identification | Follow colour coding |
| Unused Ports | Seal properly |
| Optical Testing | Test after splicing |
| Documentation | Record fibre mappings |
Recommended Accessories
| Accessory | Purpose |
|---|---|
| Fusion Splice Sleeves | Protect optical joints |
| Fibre Splice Tray | Organizes splices |
| Outdoor Fibre Cable | Fibre route connection |
| Armoured Fibre Cable | Rugged outside-plant installation |
| ADSS Fibre Cable | Aerial installation |
| Cable Sealing Material | Helps protect closure entry |
| Cable Ties | Internal cable organization |
| Fibre Labels | Identifies fibres |
| Fusion Splicer | Creates fibre joints |
| Fibre Cleaver | Precision fibre cutting |
| Fibre Stripper | Removes fibre coating |
| Cable Slitter | Prepares fibre cable |
| Optical Power Meter | Measures optical power |
| Visual Fault Locator | Checks continuity |
| OTDR | Tests fibre links and splice events |
Why Buy 12 Core Fibre Closure from Fiber Optics Kenya?

| Why Choose Fiber Optics Kenya? | Customer Benefit |
|---|---|
| 12 Core Fibre Closures | Compact fibre splice protection |
| Outdoor Fibre Cables | Complete network infrastructure |
| ADSS Fibre Cables | Aerial deployment options |
| Armoured Fibre Cables | Rugged outdoor installations |
| Fusion Splice Sleeves | Professional splice protection |
| Fusion-Splicing Tools | Complete installation capability |
| Cable Preparation Tools | Easier fibre cable jointing |
| Optical Testing Equipment | Verify completed fibre links |
| Technical Guidance | Better closure selection |
| Bulk Supply | Suitable for ISP and contractor projects |
| Professional Services | Fibre splicing and installation support |
| Nationwide Delivery | Supply throughout Kenya |
Frequently Asked Questions
What is a 12 Core Fibre Closure?
It is a protective fibre optic splice enclosure designed to organize and protect up to 12 fibre joints.
What is another name for a fibre closure?
It may also be called a Fibre Optic Splice Closure, FOSC, fibre joint closure or optical joint box.
How many fibres can it splice?
A 12-core closure is typically intended for up to 12 fibre splices.
Does it have fibre adapters?
A conventional splice closure normally does not require adapter ports because it is intended mainly for fibre-to-fibre splicing.
Does it require pigtails?
Not for straightforward cable-to-cable fusion splicing.
Does it support fusion splicing?
Yes. Fusion splicing is its primary application.
Can it support mechanical splicing?
Some splice trays can accommodate mechanical splices, depending on their construction.
Is it suitable for single-mode fibre?
Yes. It is commonly used with single-mode outdoor fibre cables.
Can it be used with multimode fibre?
Yes, provided the installed cables and splicing procedures are compatible.
Is it suitable for FTTH?
Yes. 12-core splice closures are widely used in fibre access and FTTH networks.
Can it be used for CCTV fibre?
Yes. It is suitable for protecting outdoor CCTV fibre joints.
Can it be used by ISPs?
Yes. It can protect access and distribution fibre splices throughout an ISP network.
Can it be installed aerially?
Yes. Suitable 12-core horizontal closures support aerial deployment.
Can it be installed in a duct?
Yes. Horizontal fibre closures are suitable for duct installations.
Can it be installed underground?
Yes, where the specific enclosure is rated for underground or direct-buried deployment.
Is it waterproof?
Outdoor splice closures are designed for environmental protection, but the exact IP rating depends on the particular model.
Are IP68 models available?
Yes. Horizontal fibre closures are available with IP68 protection across various capacities including low-core-count applications.
How many cable ports can it have?
A common 12-core horizontal model uses two inputs and two outputs.
Can it be used for straight-through fibre joints?
Yes. This is one of its main applications.
Can it be used for branching fibre?
Yes, if the closure has sufficient cable entry ports and internal routing capacity.
Can it be reopened?
Many mechanically sealed closures can be reopened for maintenance, provided the sealing system is correctly restored.
What is the difference between a fibre closure and a FAT box?
A fibre closure mainly protects fibre-to-fibre splices, while a FAT box generally provides subscriber distribution using adapters and often PLC splitters.
What is the difference between a fibre closure and an ODF?
A closure is normally used outdoors to protect fibre joints, while an ODF is generally installed in a rack for termination and patching.
What is the difference between 12 Core and 24 Core fibre closures?
The 24-core model provides approximately twice the nominal splice capacity.
What is the difference between 12 Core and 48 Core closures?
A 48-core closure provides four times the nominal fibre capacity and is more appropriate for larger backbone or distribution routes.
Can it be used with armoured fibre?
Yes, provided the cable diameter and anchoring arrangement are compatible with the closure.
Can it be used with ADSS fibre?
Yes, where cable preparation and strength-member anchoring are properly handled.
Why are splice sleeves required?
They protect the fragile fusion-spliced area from bending and mechanical damage.
Why is fibre slack stored inside the closure?
It provides additional fibre length for future repairs or re-splicing.
Does it require electricity?
No. The closure is completely passive.
Do you supply fusion splice sleeves?
Yes. Fiber Optics Kenya can supply splice protection sleeves.
Do you supply outdoor fibre optic cable?
Yes. Outdoor, armoured, ADSS and other fibre cables can be supplied.
Do you supply fusion splicers?
Yes. Fusion splicers and related installation tools can be supplied.
Do you supply fibre cleavers and strippers?
Yes. Professional fibre preparation equipment is available.
Do you supply OTDRs?
Yes. OTDRs can be supplied for fibre length, event, loss and splice analysis.
Do you provide fibre splicing and installation?
Yes. Professional fibre jointing, fusion splicing, closure installation and optical testing support is available.
Do you deliver outside Nairobi?
Yes. Fiber Optics Kenya supplies fibre optic products and accessories throughout Kenya.
Contact Fiber Optics Kenya
Fiber Optics Kenya
Lyric House
7th Floor Room S9
Kimathi Street
Nairobi
Phone: +254 704 991 492
Email: info@fibreopticskenya.co.ke
The 12 Core Fibre Closure provides a compact, durable and organized solution for protecting up to twelve optical fibre splices in FTTH, FTTx, ISP, telecommunications, CCTV and outside-plant networks.
Contact Fiber Optics Kenya for 12 Core Fibre Closures, outdoor fibre cables, splice sleeves, fusion-splicing equipment, fibre testing tools, professional installation, bulk orders and nationwide delivery across Kenya.