JUNCTION BOX
Eircom JB4
Heavy-duty precast concrete joint box for telecommunications and fibre infrastructure.
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Junction Box - Eircom JB4
Product Overview
Heavy-Duty Telecommunications Junction Box for Irish Infrastructure Projects
The Eircom JB4 concrete junction box is a robust, precast underground chamber designed for telecommunications and utility networks across Ireland. Manufactured to meet industry standards, this joint box provides long-lasting protection for fibre, copper, and telecom cabling in footpaths, roads, and commercial developments.
TECHNICAL RESOURCES
Eircom JB4 Technical Drawing
Built for strength, durability, and ease of installation, the JB4 is widely used in Eir / Open Eir networks, civil engineering projects, and private infrastructure works.
Product Specifications
- Product Name: Eircom JB4 Concrete Jointion Box
- Material: Reinforced precast concrete
- Use: Underground cable access and protection
- Cover Compatibility: Eircom / Open Eir standard covers
- Installation: Below ground
- Approximate Weight: 750Kg
Key Features
- Precast concrete construction
- Suitable for telecom, fibre, and utility cabling
- Designed for underground installation
- Compatible with standard Eircom / Open Eir covers
- High load-bearing performance for long-term use
- Low maintenance once installed
Typical Applications
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- Telecommunications networks
- Fibre-optic installations
- Residential and commercial developments
- Roadways, footpaths, and public infrastructure
- Utility and civil engineering projects
APPROVED SUPPLIER
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Frequently Asked Questions
The Eircom JB4 joint box is a precast concrete underground chamber used to house, protect, and provide access to telecommunications cables — including copper and fibre — in footpaths, carriageways, and utility networks.
This joint box is constructed from reinforced precast concrete, giving it high durability, strength, and resistance to environmental conditions often found in below-ground installations.
It’s designed for underground installation in locations such as:
- Roads and footpaths
- Residential developments
- Commercial building sites
- Utilities and civil engineering projects
Yes. The JB4 unit is compatible with standard Eircom / Open Eir covers commonly used in Irish telecom infrastructure.
Absolutely. The JB4 concrete joint box is suitable for housing and protecting fibre-optic, copper, and mixed telecom cabling.
Concrete joint boxes provide:
✔ Superior load-bearing capacity for buried installations
✔ Long-term durability and resistance to environmental stresses
✔ Low maintenance once installed
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