Skip to main content
S Jones Containers Menu

Call free on: 0808 303 1101

A Faraday Cage is often associated with conspiracy theories or doomsday scenarios. In reality, Faraday Cages are practical, effective solutions used every day to protect sensitive equipment from lightning strikes, electromagnetic interference (EMI), and radio frequency interference (RFI).

At S Jones Containers, we specialise in container conversions, including adapting shipping containers into Faraday Cages. With decades of experience in the industry, our team can design, modify, and deliver bespoke container-based solutions that provide protection, reliability, and peace of mind.

What Is a Faraday Cage?

A Faraday Cage is an enclosure that blocks external electrical fields. The principle was first demonstrated in 1836 by scientist Michael Faraday, who discovered that electricity could be safely directed around a conductive enclosure.

In practical terms, this means that a Faraday Cage can:

  • Protect sensitive electrical equipment from lightning damage
  • Shield technology from EMI and RFI
  • Prevent electrical surges from causing sparks, fires, or data loss

For businesses and organisations that rely on uninterrupted operations — from laboratories and telecoms to energy providers — a Faraday Cage can be the difference between continuity and costly downtime.

Why Use a Shipping Container as a Faraday Cage?

Shipping containers are durable, secure, and highly adaptable, making them an excellent base structure for Faraday Cage conversions. By applying specialist modifications, a container can be transformed into a protective enclosure for electronic equipment and critical infrastructure.

However, building an effective Faraday Cage is not as simple as repurposing a standard container. Without proper testing, grounding, and design expertise, you cannot guarantee reliable performance. That’s why partnering with a UK container conversion specialist is essential.

Key Considerations When Converting a Container into a Faraday Cage

When designing and building a Faraday Cage shipping container, several technical factors must be addressed:

  • Lightning Protection – To safely redirect electricity, lightning rods must be installed on the container corners and properly grounded. This ensures energy is dispersed into the earth, away from sensitive equipment.
  • Doors and Seals – A standard container door interrupts the continuous conductive surface. Special seals and conductive materials are required to maintain the integrity of the Faraday Cage.
  • Earthing – Effective grounding is critical. The earthing method depends on soil conditions, materials, and moisture levels. A poorly earthed cage can cause dangerous arcing and equipment failure.
  • Internal Layout – Items inside should be isolated from the container shell to reduce risk. Insulation, spacing, and internal fit-out all play a role in ensuring protection.

By addressing these elements, a shipping container Faraday Cage can deliver reliable performance under demanding conditions.

DIY vs Professional Faraday Cage Conversions

While the concept of a Faraday Cage seems straightforward, building one that actually works requires advanced knowledge of electrical engineering and container modifications. DIY approaches carry significant risks:

  • Incorrect earthing could increase the risk of fire or equipment failure.
  • Poor seals may allow interference or lightning energy to penetrate.
  • Without testing facilities, you won’t know if your cage will perform as intended.

At S Jones Containers, we provide professional engineering expertise and decades of experience in delivering custom container conversions across the UK. Whether you need a secure enclosure for sensitive electrical equipment, a laboratory shielded from external interference, or lightning protection for critical assets, we can deliver a robust, tested solution.

Applications of Faraday Cage Containers

Faraday Cages are used across a wide range of industries. A converted shipping container can provide secure and reliable protection for:

  • Telecommunications – shielding mobile networks and broadcasting equipment from interference.
  • Energy & Utilities – protecting transformers, switchgear, and critical infrastructure from lightning strikes.
  • Research & Development – providing interference-free laboratory environments.
  • Defence & Security – ensuring communications and sensitive data remain protected.
  • Secure Storage – safeguarding electronics, servers, and backup systems.

If your organisation depends on technology that must be shielded from electrical forces, a containerised Faraday Cage offers a flexible, relocatable, and cost-effective solution.

Local & National Coverage

Based in the UK, we deliver container conversions nationwide, including Birmingham, Manchester, London, Leeds, and the Midlands. Wherever your site or project is located, our logistics network ensures reliable delivery and installation.

Get in Touch with Our Faraday Cage Specialists

If you’re exploring the idea of a shipping container Faraday Cage conversion, speak to our expert team today. We can advise on feasibility, design options, and engineering requirements, ensuring you find the right solution for your needs.

  • Call us to discuss your project requirements
  • Request a free quotation tailored to your specifications
  • Get expert technical advice from our conversion specialists

Contact S Jones Containers today and discover how we can help you design and build a Faraday Cage shipping container that protects your critical equipment and delivers long-term reliability. 


S Jones Containers Ltd

Anglian Road,
Aldridge, Walsall,
West Midlands,
WS9 8ET

Company Reg Number: 3747019
VAT Number: 729700231

Close Search