Custom-Built HV & LV Link Boxes for Every Application
At NKD Group, we design and manufacture bespoke High Voltage (HV) and Low Voltage (LV) Link Boxes tailored to your project needs. From initial consultation to full design and build, we offer a complete in-house solution that ensures quality, reliability, and performance.
Whether you’re looking for 100A indoor link boxes or 6000A outdoor cabinets, we have the engineering expertise and capacity to deliver.
Designed for Easy Access and Safe Terminations
All our link boxes are engineered to allow for easy access and extended space for cable terminations, inspections, and future maintenance. Each unit is custom designed to suit site-specific layouts and connection requirements, minimising downtime and simplifying installation.
✔ Indoor and outdoor-rated enclosures
✔ IP-rated weatherproofing available
✔ Wall-mounted or floor-standing designs
✔ Single-core and multi-core compatibility

Stock
Over 650 LV Breakers
Over 500 spare parts
Empty cabinets
In house designer
Why Us?
One of the largest stock in the country
Fast Lead time
Innovative ideas
Reactive to problem solving
Our QA
Bespoke quality system
Refurbished and new
All given 1 year warranty
Solutions
New Cabinets
New busbars
New Controls and metering
Choice of new or refurbished breakers
Parts
Coils and motors
Rear connections
Breaker Relays
Interlocks
Much More

End-to-End Project Support
From early-stage design discussions to final delivery, our team works closely with you to ensure the solution meets all technical and operational needs. We provide:
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Consultation and design layout
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CAD drawings for approval
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Build to BS and DNO specifications
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Fast lead times and scheduled delivery
Built to Last – Quality Materials and Proven Performance
Every HV and LV link box is constructed using durable materials and quality components, ensuring long service life in demanding environments. We supply to energy providers, utility contractors, industrial clients, and infrastructure specialists across the UK.