Best Outlet Boxes of 2025

Jennifer Fraser Avatar
Jennifer Fraser
Last Updated: 31 Jan 2025

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Outlet boxes are essential components of electrical systems that are installed in residential, commercial, and industrial buildings. These boxes are used to protect electrical outlets, switches, and other fixtures from damage and to provide a secure connection between the electrical wiring and the devices that are being powered. Outlet boxes are available in a range of sizes and configurations to suit different applications, and they are typically made from materials such as plastic, metal, or fiberglass. Whether you are an electrician or a homeowner, investing in high-quality outlet boxes is essential to ensure the safety and reliability of your electrical system.

At a Glance: Our Top Picks

Masterplug Weatherproof Electric Box with Extension Lead Cover #TOP 1
Masterplug Weatherproof Electric Box with Extension Lead
ftb score rating icon 9.9
Desiretech Weatherproof Electric Box with 10m Lead Cover #TOP 2
Desiretech Weatherproof Electric Box with 10m Lead
ftb score rating icon 9.8
SLx Weatherproof Electrical Box with 5 Outlets Cover #TOP 3
SLx Weatherproof Electrical Box with 5 Outlets
ftb score rating icon 9.6

Top 10 Outlet Boxes

#TOP 1

Masterplug Weatherproof Electric Box with Extension Lead

WBXBFG10B-MP
Dark Grey
Masterplug Weatherproof Electric Box with Extension Lead Cover
Masterplug WBXBFG10B-MP Weatherproof Electric Box for Outdoors with Four Socket 10 Metre Extension Lead, 351 x 220 x 126.5 mm, Dark Grey

The Masterplug Weatherproof Box is designed for safe outdoor use, featuring an IP54 weather and dust proof rating. This ensures you can confidently use your gardening tools or outdoor decorations, even in damp conditions. With four sockets included, it accommodates larger adapters and transformers, offering versatility for various devices. The hinged front cover and secure side catch make accessing your equipment easy while keeping it protected. This practical solution is perfect for outdoor entertaining or DIY tasks.

What We Like
Weatherproof and dustproof
Four socket extension lead
Accommodates bulky adapters
Easy access with hinged cover
Suitable for damp conditions
#TOP 2

Desiretech Weatherproof Electric Box with 10m Lead

Desiretech Weatherproof Electric Box with 10m Lead Cover
Desiretech Weatherproof Outdoor Electric Box with 4 Gang 10m Extension Lead – IP54 Rated, Heavy-Duty Power Supply for Garden Tools, Christmas Lights, and DIY Tasks

The Desiretech Outdoor Electric Box is designed for outdoor use, boasting an IP54 rated weatherproof design that keeps your power supply safe from damp and dusty conditions. With its hinged front cover, you can easily access your connections, while the secure side catch ensures protection from the elements. This heavy-duty box is perfect for gardening and DIY projects, providing reliable power for tools like lawnmowers and strimmers. Its robust construction can withstand significant pressure, making it ideal for demanding outdoor environments.

What We Like
Weatherproof design for outdoor use
Easy access to connections
Ideal for gardening and DIY tasks
Durable construction withstands pressure
#TOP 3

SLx Weatherproof Electrical Box with 5 Outlets

SLx
17004PI/14
Black
SLx Weatherproof Electrical Box with 5 Outlets Cover
Weatherproof Electrical Box, Outdoor Extension Leads, Reels, Transformers, Fuse Box Cover, 5x Cable Outlets, IP56 Water-Resistant Certified, Silicone Mould, 360 x 255 x 138mm

The SLx Weatherproof Box is designed for all-weather outdoor power needs. It offers a simple solution for using your extension lead securely outside. You can easily place your lead inside, ensuring your cables remain dry and free from debris. With an IP56 rating, this box protects against splashes, allowing you to use it even in damp conditions without worry. Its versatility makes it perfect for powering garden tools, festive lighting, or a hot tub, providing convenience and peace of mind.

What We Like
Weatherproof and splashproof design
Easy to use and set up
Multiple outlets for various tools
Safe for outdoor conditions
#TOP 4

Masterplug Collapsible Weatherproof Electrical Box

WBCBBFG8B-MP
Black
Masterplug Collapsible Weatherproof Electrical Box Cover
Masterplug Collapsible Electrical Connection Box, Cable Enclosure with 4 Plug Socket 8m Extension Lead, Weatherproof, Outdoor, H154mm x W376mm x D230mm, Black, IP54, WBCBBFG8B

The Masterplug Electrical Connection Box is designed for outdoor use, providing a collapsible and adjustable depth that accommodates various electrical devices. You’ll appreciate the weatherproof IP54 rating, ensuring it withstands rain and damp conditions, making it ideal for garden parties or festive lighting. Its compact design includes a four-socket, 8-metre extension lead, allowing you to connect multiple appliances easily. Additionally, the hinged lid and secure lockable side catch offer convenient access while keeping your connections safe and organised.

What We Like
Weatherproof for outdoor use
Collapsible for easy storage
Includes 4-socket extension lead
Adjustable depth for compatibility
Secure and easy access
#TOP 5

Diivoo Large Outdoor Waterproof Electrical Box

Diivoo
DI-WCB03-GN-A105
Green
Medium 1
Diivoo Large Outdoor Waterproof Electrical Box Cover
Diivoo Outdoor Waterproof Electrical Box (11.97 x 7.34 x 5 inch), Large Size 6 Cable Seal Entry,Weather Proof Plug Box,Outside Connection Socket Enclosure for Extension Leads,Holiday Garden Lights

The Diivoo Waterproof Box is designed to keep your electrical connections safe and dry. Its waterproof feature ensures that all inlets and outlets are securely sealed, protecting your equipment from water and moisture. With ample space, it accommodates various devices, including power strips and timers, while the six cable entries are compatible with different cord types. Mounting the box is easy, allowing you to hang it on walls without hassle, making it a practical solution for outdoor use.

What We Like
Waterproof and weatherproof design
Large capacity for multiple devices
Easy wall mounting options
Portable and user-friendly
Durable and sturdy construction
#TOP 6

Legrand OnQ In-Wall Cable Management Box

On-Q
ENP0900NA
white
Legrand OnQ In-Wall Cable Management Box Cover
Legrand - OnQ Cable Management, Structured Media Enclosure, in-Wall Enclosure, TV Home Theater Box, Recessed Storage Box, Dual Purpose, 9 Inches, White (ENP0900-NA)

The Legrand OnQ Cable Box is specifically designed for optimised in-wall storage of structured wiring and AV components, helping you maintain a tidy entertainment area. Its versatile mounting compatibility allows you to use it with various TV wall mounts, enhancing placement flexibility. You can easily connect devices like Apple TV and Roku, making it a great fit for your existing setup. Additionally, the sleek trim ring conceals drywall cutouts, providing a professional finish that enhances your home's interior.

What We Like
Clutter-free organisation
Flexible mounting options
Supports multiple devices
Professional finish
#TOP 7

DRiBOX Weatherproof Outdoor Electrical Connection Box

DRiBOX
Green
Small
DRiBOX Weatherproof Outdoor Electrical Connection Box Cover
DRiBOX Small IP55 Weatherproof Outdoor Electrical Connection Box 25.5 x 14.1 x 10.2cm – Power Cord Enclosure for Christmas Lights, Timers, Extension Cables, Leads, Reels, Transformers (Small, Green)

The DRiBOX Connection Box is designed to keep your electrical connections safe from dust and water, making it ideal for outdoor use. Its patented weatherproof design includes locking lugs and silicone moulds that secure around cables, ensuring that everything remains dry. You will appreciate the portable and easy-to-use watertight interlocking lid, which allows for a quick setup. Plus, its heavy-duty construction means it can withstand various weather conditions, providing you with peace of mind during Christmas and beyond.

What We Like
Highly weatherproof and durable
Easy to set up and use
Keeps cables tidy and organised
Suitable for various outdoor applications
#TOP 8

RESTMO Extra Large Waterproof Electrical Box

O-ECC-3
Black
RESTMO Extra Large Waterproof Electrical Box Cover
RESTMO Extra Large Waterproof Electrical Box, IP54 Weatherproof Outdoor Outlet Cover, Protect Outlet, Plug, Timer, Power Strip (Not Included), Holiday Light Decoration, 32 x 22 x 13 cm, Black

The RESTMO Waterproof Electrical Box is designed to keep your outdoor electrical connections safe and secure. Its large size and six cable entry ports allow you to easily protect various devices like power strips and extension leads. With an IP54 waterproof rating and robust construction, it safeguards against rain, snow, and dust. The easy-to-use design lets you quickly seal your connections, providing peace of mind whether you're using it for holiday lights or garden tools.

What We Like
Large capacity for multiple connections
IP54 waterproof for all weather
Easy installation with mounting holes
Durable against harsh conditions
#TOP 9

Hrensaw Large Waterproof Outdoor Electrical Box

Hrensaw
HC001
Black
Hrensaw Large Waterproof Outdoor Electrical Box Cover
Hrensaw Large Outdoor Electrical Box Waterproof(12.6x8.7x5.1inch),IP54 Waterproof Outdoor Outlet Covers,Weatherproof Extension Cord Covers Protect Outlet,Plug,Timer,Power Strip,Holiday Light,Black

The Hrensaw Waterproof Electrical Box is designed to keep your outdoor power connections safe and dry. With robust external dimensions of 12.6”x8.7”x5.1”, it features eight cable ports for various outdoor devices, ensuring everything from timers to extension cords is well protected. Its luminous safety warning label glows at night, helping prevent accidental contact. The box is IP54 waterproof, made from heavy-duty material that withstands extreme weather, ensuring reliable protection against rain, snow, and dirt.

What We Like
IP54 waterproof rating
Luminous safety warning label
Multiple cable ports
Heavy-duty construction
Easy to install and use
#TOP 10

Hrensaw Medium Weatherproof Electrical Box

Hrensaw
HM002
Grey
Hrensaw Medium Weatherproof Electrical Box Cover
Hrensaw Medium Outdoor Electrical Box(10.6x5.5x4.5in), Weatherproof Connection Box w/6 Cable Entry, IP54 Waterproof Extension Cord Cover Protect Power Strip,Timer,Socket,Plug,Holiday Lights,Grey

The Hrensaw Electrical Box is designed for optimal safety and durability. Its large capacity accommodates various plugs, making it ideal for your outdoor needs. The luminous safety warning label ensures visibility at night, protecting pets and children from accidental contact. With an IP54 waterproof rating, this robust box can withstand extreme weather conditions, safeguarding your electrical connections from rain and snow. The strong sealing features enhance waterproofing, offering you peace of mind during outdoor use.

What We Like
Large capacity for multiple plugs
Luminous safety warning label
IP54 waterproof rating
Strong sealing for enhanced protection
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is an outlet box called?

Electrical boxes, also known as junction boxes, enclose wire connections. They help protect against short circuits, which can cause fires.

2. What is a knockout box?

Knockout boxes for electrical applications provide the flexibility of onsite setup of cables, wiring, or conduit. Made from durable polycarbonate plastic, the enclosures are molded with metric knockouts that can simply be removed with a screwdriver.

3. What is a box outlet?

Definition of outlet box : a terminal box for electric wiring or fittings at which the wires terminate for connection to electric fixtures or appliances.

Editor's Notes

During our outlet boxes research, we found 306 outlet boxes products and shortlisted 10 quality products. We collected and analyzed 140,436 customer reviews through our big data system to write the outlet boxes list. We found that most customers choose outlet boxes with an average price of £20.77.

The outlet boxes are available for purchase. We have researched hundreds of brands and picked the top brands of outlet boxes, including Masterplug, Desiretech, SLx, Diivoo, On-Q. The seller of top 1 product has received honest feedback from 524 consumers with an average rating of 4.8.

Written by
Jennifer Fraser Avatar

Jennifer Fraser is a licensed contractor specializing in sales, maintenance, and kitchen, bathroom, and home appliances, tools, and utilities. She owns a store in Leeds where you can get any home and tool appliance. Jenny has a degree in literature, but she combines her knowledge and experience with her degree to publish DIY articles on solving home appliances issues to keep up the family enterprise.