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A fused spur might be a practical necessity, but it doesn’t have to interrupt the look of your home. Whether you’re installing a boiler, heated towel rail, extractor fan or under-cabinet lighting, our 13A fused spurs are designed to coordinate with the switches and sockets around them, helping every detail feel considered.
Available in switched and unswitched versions, each fused connection unit (FCU) is offered in the same premium finishes found throughout the Dowsing & Reynolds switches and sockets collection, making it easy to create a consistent look throughout your project.
At a glance
A fused spur, also known as a fused connection unit (FCU), provides a safe way to connect permanently wired electrical appliances. Unlike a standard socket, a fused spur is designed for equipment that remains permanently connected, such as boilers, heated towel rails, extractor fans and under-cabinet lighting.
Each unit contains a replaceable fuse that protects the connected appliance, helping to prevent damage caused by electrical faults while providing a convenient point of isolation when maintenance is required.
The right option depends on where the fused spur is being installed and how you intend to use it.
A switched fused spur includes an integrated switch on the faceplate, allowing you to isolate power directly at the unit. This is often preferred for boilers, extractor fans and appliances that may require occasional servicing.
An unswitched fused spur offers a cleaner appearance and is often chosen where regular access isn’t required or where a more discreet installation is preferred.
Both options provide the same level of protection and are available in matching finishes across the Dowsing & Reynolds range.
When you’ve invested in beautiful lighting, carefully chosen hardware and coordinated finishes, a standard white fused spur can feel out of place.
Our fused spur collection is designed to work alongside the switches and sockets you already love, allowing you to maintain a consistent finish throughout your home. Whether you prefer the timeless warmth of Antique Brass, the bold contrast of Black, or the artisanal character of Oxide Copper and Blackened Steel, you can carry the same finish across every visible electrical accessory.
It’s a small detail, but one that makes a surprisingly big difference to the finished space.
Fused spurs are commonly used to connect permanently wired appliances, including:
If you’re already selecting switches and sockets for a room renovation or new project, choosing matching fused spurs helps ensure every visible electrical detail feels intentional.
Most fused spurs are designed with functionality in mind. Ours are designed to deliver both functionality and aesthetic consistency.
By offering the same premium finishes found across our switches and sockets collection, our fused spurs allow you to create a cohesive look throughout your home without compromising on practicality. The result is a space where even the most functional electrical accessories contribute to the overall design.
Whether you’re updating a single room or renovating an entire property, matching electrical details help create a more polished and considered finish.
James Dowsing-Reynolds, Co-Founder, says:
"The details people notice most are often the ones they don't consciously see. A coordinated fused spur might seem like a small thing, but when every finish works together, the whole room feels more resolved and intentional."
What is a fused spur used for? A fused spur is used to safely connect permanently wired appliances such as boilers, heated towel rails, extractor fans, electric radiators and under-cabinet lighting.
What does FCU stand for? FCU stands for Fused Connection Unit. It’s another name for a fused spur.
What is the difference between a switched and unswitched fused spur? A switched fused spur includes an on/off switch on the faceplate, while an unswitched fused spur does not. Both provide the same fuse protection for the connected appliance.
Are all fused spurs 13 amp? Most domestic fused spurs are rated at 13A, including all Dowsing & Reynolds fused spur units.
Can I use a fused spur for a boiler? Yes. Fused spurs are commonly used to provide a safe, isolated power supply for boilers and other permanently connected appliances.
Should my fused spur match my switches and sockets? Matching finishes help create a more cohesive and considered interior, particularly in kitchens, bathrooms and utility spaces where multiple electrical accessories are visible.
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