Why Choosing the Right Desk Top Power Socket Matters

If you've ever crawled under a desk to plug in a laptop charger, or watched cables trail across a meeting table, you'll know why a dedicated desk top power socket is one of the most useful upgrades you can make to a workspace. These units bring UK mains power — and often USB charging, HDMI or network connections — up to where you actually work, instead of leaving you hunting for a wall socket.

The trick is choosing the right type for your desk. Some fit into an existing 60mm cable grommet hole, some pop up flush with the desktop when not in use, and some mount underneath the desk entirely. This guide covers all six desk top power socket options stocked by Kenable, so you can match the right unit to your desk cut-out, power needs and budget.

Factors to Consider When Buying a Desk Top Power Socket

1. Measure your existing cable hole first

Most modern office desks already have a round cable management hole, typically 60mm in diameter. Before ordering anything, measure your cut-out with a tape measure or ruler:

  • 60mm hole: Fits all the grommet and pop-up units in this guide — the desk grommets, both 60mm pop-up sockets, and the smart grommet with HDMI/RJ45.
  • Larger or non-standard cut-out: If your desk has a bigger or oddly-shaped hole, you may need a wider grommet, or consider an under-desk mounted unit instead, which doesn't rely on a cut-out at all.
  • No hole at all: If your desk is solid with no cable hole, an under-desk fixed power unit is the simplest solution, as it screws or sticks to the underside of the desk and needs no cutting.

2. Grommet vs pop-up vs under-desk

There are three basic formats to choose from, each suited to different working habits:

  • Fixed grommet sockets sit permanently in the desk hole with the UK socket (and USB port, if fitted) always visible and accessible. These are the simplest and cheapest option, ideal if you don't mind the socket being visible at all times.
  • Pop-up sockets retract flush into the desk when not in use and lift up with a light push, hiding the sockets and cables when the desk is tidy. These suit shared desks, boardrooms or minimalist office design where a clean desktop matters.
  • Under-desk PDUs mount to the underside of the desk, keeping every socket and cable completely out of sight and off the desktop entirely — useful where desk space is at a premium or a cut-out isn't practical.

3. Total load — respect the 13A limit

All UK mains sockets on a standard circuit are rated to a maximum of 13A (roughly 3,000W). Desk top power units are fused for safety, but it's still up to you not to overload them. Kettles, heaters and other high-draw appliances have no place on a desk PDU — these units are designed for laptops, monitors, desk lamps, phone chargers and similar low-draw electronics. If you're plugging in multiple items, add up their wattage and keep well under the 13A/3,000W ceiling.

4. USB-C wattage — check it suits your laptop

Not all USB-C charging ports are equal. A basic USB-A port is fine for phones and tablets, but modern laptops need higher wattage:

  • Up to 18W USB-A: Fast enough for phones and tablets, but won't properly charge most laptops.
  • 45W USB-C PD: This is enough to charge many ultrabooks and thin-and-light laptops (e.g. many 13–14" business notebooks) directly from the desk, without needing the laptop's own power brick.

If you want to charge a laptop straight from your desk socket, look for a unit with USB-C Power Delivery rated at 45W or higher.

Pro tip: If your desk is used for video meetings, a grommet that also includes HDMI and RJ45 network pass-through saves you running a separate cable bundle across the table every time a laptop is connected to a screen.

Top Picks for Desk Top Power Sockets

Desk Grommet Power Smart USB A & USB-C 45W PD HDMI 2.0 RJ45 2.5m White

Desk Grommet Power Smart USB A & USB-C 45W PD HDMI 2.0 RJ45 2.5m White

£44.71

Our best-selling desk top power option, and the most complete. Fits a standard 60mm hole and combines a UK mains socket, USB-A port, 45W USB-C Power Delivery, HDMI 2.0 and an RJ45 network pass-through in one unit with a 2.5m lead. The 45W PD is enough to charge many ultrabooks directly. Ideal for meeting room and conference tables where laptops need power, a screen connection and network access in one go.

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Office Desk Mount 60mm Grommet with UK Mains Power and USB-A Fast Charge White

Office Desk Mount 60mm Grommet with UK Mains Power and USB-A Fast Charge White

£16.81

A simple, affordable fixed grommet for a standard 60mm cable hole, pairing a UK mains socket with a USB-A fast charge port. Great value for a single desk that just needs mains power and a phone/tablet charging point within reach. One of our most popular desk power products thanks to the low price and easy fit.

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Office Desk Mains Power Pop-Up 2 Fused UK Sockets USB-A/C Silver 60mm Hole

Office Desk Mains Power Pop-Up 2 Fused UK Sockets USB-A/C Silver 60mm Hole

£26.93

A pop-up unit for the same 60mm hole, giving two fused UK sockets plus USB-A and USB-C charging that disappear flush into the desk when pushed down. A neat choice for hot desks or client-facing offices where you want sockets available but not always on show.

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Office Desk Mains Power Pop-Up Unit 3 Fused UK Socket Outlets Silver 60mm Hole

Office Desk Mains Power Pop-Up Unit 3 Fused UK Socket Outlets Silver 60mm Hole

£16.07

Also fits a 60mm hole, but skips the USB ports in favour of three fused UK sockets — useful where you need to power several mains devices (monitor, lamp, dock) rather than charge phones. Retracts flush when not needed, same as the 2-socket pop-up above.

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Excel Under Desk 4 Gang UK Sockets PDU Power Unit

Excel Under Desk 4 Gang UK Sockets PDU Power Unit

£19.31

The only unit here that doesn't need a desk cut-out at all — it fixes to the underside of the desk and provides four UK sockets, keeping every plug and cable out of sight below the worktop. Ideal for solid desks with no grommet hole, or where you'd rather not have any socket visible on the desktop. Excel PDUs are also available in other lengths and gang sizes if you need more or fewer outlets.

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Office Desk Mount 60mm Grommet with UK Mains Power and Cable Feed White

Office Desk Mount 60mm Grommet with UK Mains Power and Cable Feed White

£9.85

The most budget-friendly option in the range, fitting the standard 60mm hole with a UK mains socket plus an open cable feed channel for routing extra cables (HDMI, network, extra chargers) down through the desk. A good choice if you just need mains power and tidy cable routing without built-in USB.

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Comparison Table: Desk Top Power Sockets

Product Type Fits UK Sockets USB / Extras Price
Grommet + Cable Feed Fixed grommet 60mm hole 1 Cable feed channel only £5.92
Grommet + USB-A Fast Charge Fixed grommet 60mm hole 1 USB-A fast charge £10.09
Pop-Up 3 Fused Sockets Pop-up 60mm hole 3 None £16.07
Excel Under Desk 4 Gang PDU Under-desk mounted No cut-out needed 4 None (other sizes available) £19.31
Pop-Up 2 Fused Sockets + USB-A/C Pop-up 60mm hole 2 USB-A + USB-C £26.93
Smart Grommet USB-C 45W PD, HDMI, RJ45 Fixed grommet 60mm hole 1 USB-A, USB-C 45W PD, HDMI 2.0, RJ45 £44.71

Installation and Setup Tips

  • Measure before you buy: Use a tape measure across the widest part of your existing desk hole. Anything close to 60mm will fit the grommet and pop-up units above; if there's no hole, go for the Excel under-desk PDU instead.
  • Check desk thickness: Most 60mm grommets and pop-ups are designed for typical office desktop thicknesses (roughly 18–30mm). If your desk is unusually thick, check the product listing for the fitting depth before ordering.
  • Route the lead before fixing: Feed the mains lead down through the hole and along the underside of the desk to the nearest wall socket before you clip the grommet or pop-up unit into place — it's far easier than trying to thread it afterwards.
  • Under-desk units need clear underside access: The Excel 4 Gang PDU is designed to be fixed to the underside of the desk, so make sure there's enough clearance from drawers, cable trays or desk legs before mounting.
  • Test before loading up: Once fitted, plug in one device first and check the socket and fuse are working correctly before connecting multiple items.
Safety note: Always isolate the mains supply before wiring a desk power unit into a fixed spur, and if you're not confident working with mains electrics, use a qualified electrician for the connection. These units are designed to be plugged into an existing wall socket via their supplied lead unless otherwise stated.

Common Mistakes to Avoid

  • Not measuring the hole first. Ordering a 60mm grommet or pop-up for a desk with a smaller or larger cut-out is the most common return reason — always measure first.
  • Overloading a single unit. Remember the 13A/3,000W limit applies to the whole unit, not per socket. Don't daisy-chain heaters, kettles or multiple monitors' worth of kit into one desk PDU.
  • Choosing USB-A when you need laptop charging. A basic USB-A port will charge a phone fine but won't properly power most laptops — check for 45W USB-C PD if that's what you need.
  • Forgetting cable routing. A pop-up or grommet socket looks tidy on the desktop but the cables still need somewhere to go underneath — plan your cable management before fitting.
  • Assuming all pop-ups are the same height. If your desk has limited clearance underneath (e.g. drawer units), check the retracted depth of a pop-up unit before buying.

Frequently Asked Questions

What size cable hole do I need for a desk top power socket?

Most desk grommets and pop-up sockets, including all the 60mm models in this guide, are designed to fit a standard 60mm diameter desk cable hole. Measure your existing cut-out before ordering — if there's no hole, or it's a different size, an under-desk mounted PDU like the Excel 4 Gang unit avoids the need for a cut-out entirely.

Can a desk top USB-C port charge my laptop?

It depends on the wattage. A basic USB-A port is fine for phones and tablets but generally can't fast-charge a laptop. The Desk Grommet Power Smart unit includes 45W USB-C Power Delivery, which is enough to charge many ultrabooks and thin business laptops directly from the desk.

How many devices can I safely plug into one desk power unit?

UK mains circuits are rated to a maximum of 13A (around 3,000W) in total. As long as your combined load — laptops, monitors, lamps, chargers — stays well under that figure, you can use all the sockets on a unit. Avoid plugging in high-draw appliances like heaters or kettles.

What's the difference between a fixed grommet and a pop-up socket?

A fixed grommet sits permanently in the desk hole with the socket always visible, while a pop-up unit retracts flush into the desktop and lifts up when needed, hiding the sockets and cables when not in use. Pop-ups suit shared or client-facing desks; fixed grommets are simpler and cheaper.

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