1 Gang 35mm Deep Galvanised Standard Extension Box

1 Gang 35mm Deep Galvanised Standard Extension Box

The 1 Gang 35mm Deep Galvanised Extension Box offers a durable and practical solution for expanding wiring capacity in both residential and commercial installations. Manufactured from tough galvanised steel, it provides excellent corrosion resistance and long-lasting performance, making it ideal for demanding environments.

With a generous 35mm depth, this extension box gives installers additional space for wiring, connectors, and devices—perfect for deeper modules or when extra room is required for safe cable management. Pre-drilled fixing points ensure quick, secure installation, while multiple knockout entries allow flexible conduit or cable access.

Designed to meet UK electrical standards, this extension box is a reliable choice for new builds, refurbishments, and general electrical upgrades.