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Kopp Nautic IP44 socket: splash, not open rain

Updated: 23 October 2026

You are fitting a socket in a garage, a utility, or under a porch roof, and the listing says Kopp Nautic and IP44. A Kopp Nautic IP44 socket is a surface-mounted continental outlet with a hinged lid, rated 16 A at 250 V, for splash rather than for a hose or open rain. It will not take a standard UK three-pin plug. Prices below are amazon.co.uk shelf prices on 20 October 2026. The [Kopp sockets comparison](/hub/sockets-and-extension-leads/kopp-sockets) holds the other series. Wiring steps sit on the [installation guide](/hub/sockets-and-extension-leads/kopp-sockets/sub/kopp-sockets-installation). We did not spray these boxes or leave them out in weather. A qualifying purchase can earn a commission at no extra cost to you.

You are fitting a socket in a garage, a utility, or under a porch roof, and the listing says Kopp Nautic and IP44.

Our top picks

Kopp Kopp Nautic vertical double, grey

Best overall

Kopp Kopp Nautic vertical double, grey
9.3/10about £8.30
View offer
Kopp Kopp Nautic switch and socket

Alternative

Kopp Kopp Nautic switch and socket
9.2/10about £4.77
View offer
Kopp Kopp Nautic horizontal double, white

Best value

Kopp Kopp Nautic horizontal double, white
8.6/10about £2.85
View offer
On this page
  1. 1.Where a Nautic box earns its place
  2. 2.What IP44 does and does not promise
  3. 3.Choosing among the four Nautic listings
  4. 4.Lids, links, and when to stop using it

Where a Nautic box earns its place

The grey vertical double and the switch combination name cellars, washrooms, garages and workshops. A garage bench above splash from a wet car fits. An unsheltered gable does not, and an unanswered outdoor question on the amazon page does not change the rating. If the appliances use UK plugs, start with the buying guide. Paris inserts are IP20, and the standard double has no IP rating and no lid.

What IP44 does and does not promise

Where the listings spell it out, IP44 means splash protection and solids larger than 1 mm, the ordinary reading in BS EN 60529. A hosepipe or open rain is outside that claim. The hinged lid is touch protection when the plug is out, not a second IP rating. The white double’s surface-waterproof bullet is stronger than its IP44 field. We use the IP field. Washrooms appear in the bullets, and a UK bathroom is zoned under BS 7671. If you are not sure the wiring is continental, use a registered electrician.
Kopp Kopp Nautic vertical double, grey

Testsieger

Kopp Kopp Nautic vertical double, grey
9.3/10about £8.30
View offer

Choosing among the four Nautic listings

The white horizontal double, model 137002003, is about £2.85, 4.4 from 473, about 15.3 by 7.5 cm and 218 g. It is the best value clear IP44 lid double. Terminals are not described, the fixing screws sit in deep pockets, and there is no manufacturer guarantee. The grey vertical double, model 136956008, is about £8.30, 4.6 from 1,480, with plug-in terminals up to 2.5 mm². Choose it on a narrow wall and add the missing link. One locating pin broke on first removal. The printed 9.07 g is not believable. Model 138556008 is about £4.77, 4.5 from 3,391: one outlet plus a toggle. B07BKGM3Y7 is about £5.67, 4.5 from 1,750. Its title, a 10 A switch bullet and a 16 A double in the item type do not agree. Buy it only when the photo is the double you think it is.

Lids, links, and when to stop using it

Close the lid on a spare socket and do not trap a cable under it. Add link wires where reviewers say there is no factory bridge. Do not force cable above 2.5 mm² where that limit is printed. One buyer of the white double reported an RCD trip, sparking and burnt insulation after about two years under a canopy. That is a single report. If a box that has lived outside trips, smells of heat, or looks chalky at the terminals, isolate it and let a registered electrician see it.

Common questions

Is IP44 enough for a patio?
Only for a patio that is actually sheltered, and only if the rest of the circuit is suitable. IP44 covers splashes, not a socket facing open rain. If the patio is unsheltered, look at a higher IP rating and, for UK plugs, a BS 1363 outdoor outlet rather than a Nautic box with a lid.
Horizontal or vertical?
Use the horizontal white double at about £2.85 when the wall is wide and the price matters. Use the grey vertical double at about £8.30 when the space is a narrow column and you want plug-in terminals stated up to 2.5 mm² plus a higher star line. The vertical shape is why some buyers chose it, and the same shape is a tight fit if you expected a wide plate.
Do I need the switch and socket?
Only if one outlet should switch locally. Model 138556008 is a toggle plus one socket, not a double. It is about £4.77 and IP44. If you need two gangs, take a double and do the switching at the consumer unit or at a separate grid, with the circuit designed properly.
Can I use a Nautic socket in a bathroom?
The listings name washrooms, and the rating is IP44 splash protection. A UK bathroom still has zones under BS 7671. The listing does not place the box in a zone or waive the need for the right circuit protection. If you are not competent to judge that, use a registered electrician.
Does the lid make it fully waterproof?
No. The lid is part of the touch protection and the splash design. It does not upgrade IP44 to a waterproof claim. Ignore the surface-waterproof bullet on the white double when it disagrees with the IP field. Shut the lid when the socket is spare, and do not treat it as cover on a wall where rain runs down.
Why do reviews mention missing links?
On the grey vertical double and on the anthracite listing, reviewers say there is no internal bridge between the two outlets. You add link wires. The white horizontal reviews talk about wiring it singly or looped, which is a related point: do not assume the two gangs are joined until you have the insert out.
When should I buy a British outdoor socket instead?
When the plugs are UK three-pin, when the wall is open to weather, or when you need an IP rating above IP44 printed for that duty. A Nautic box is the right conversation only after the installation is already continental and the water is splash, not a jet.

Related pages

Kopp Paris flush sockets

Kopp sockets

Best Kopp socket: Paris six-pack or white Nautic

Kopp socket buying guide UK: series, IP and plugs

How to install a Kopp Nautic socket on fixed wiring

Sources

Sources taken from the research digest. Listings were scored on 20 October 2026. This page did not run a lab test.

  1. Heinrich Kopp GmbH product catalogue (retrieved 20.10.2026)
  2. BSI — BS 1363 plugs and socket-outlets (retrieved 20.10.2026)
  3. Electrical Equipment (Safety) Regulations 2016, regulation 35 (retrieved 20.10.2026)
  4. Plugs and Sockets etc. (Safety) Regulations 1994 (retrieved 20.10.2026)
  5. IET Wiring Regulations (BS 7671) (retrieved 20.10.2026)
  6. IEC 60529 degrees of protection (IP code) (retrieved 20.10.2026)
  7. Electrical Safety First — finding an electrician (retrieved 20.10.2026)