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Bartec GB Series Black Junction Box, IP66, ATEX, 122 x122 x 82mm

Bartec GB Series Black Junction Box, IP66, 20 Terminals, ATEX, 255 x 250 x 120mm

Bartec GB Series Junction Box, IP66, 9 Terminals, ATEX, 122 x 120 x 90mm

Bartec GB Series Black Junction Box, IP66, 5 + E Terminals, ATEX, 80 x 75 x 55mm

Bartec GB Series Black Junction Box, IP66, 15 Terminals, ATEX, 160 x 160 x 90mm

Bartec GB Series Junction Box, IP66, 15 Terminals, ATEX, 160 x 160 x 90mm

Bartec GB Series Black Junction Box, IP66, 10 Terminals, ATEX, 122 x 120 x 90mm


Junction boxes, also known as electrical outlet boxes or J boxes, act as weatherproof outdoor enclosures that provide [secure housing for electrical wiring and devices](https://hken.rs-online.com/web/content/discovery/ideas-and-advice/securing-electronics-a-look-into-electrical-enclosure-choices). These outdoor waterproof boxes protect electrical components from external forces such as weather, neighbouring materials, and vandalism. Junction boxes also serve as a connector to a pattress and are often found installed behind a downlighter. Despite their similar appearance, junction boxes contain wire connections inside, unlike pull boxes which do not.

## **How Do Junction Boxes Work?**

Junction boxes provide points of entry for electrical [cables and wires](https://hken.rs-online.com/web/c/cables-wires/). It is important to choose the right size and type of outlet box for your project's needs to ensure safety and compliance with the relevant rules and regulations. These boxes may have a knockout, integrated thread, or self-sealing membrane for cable entry. Internally, there are mounting points for screws in each corner, so it is important to use the correct masonry plugs, anchors, and fixings for the surface you are mounting the box to (such as a wall, skirting board, or ceiling). A sealed box lid or cover provides security for all the internal components.

## **Different Junction Box Materials**

Junction boxes are typically made from durable materials that can withstand the environmental conditions they are exposed to.

### **Metal Junction Box**

Metal junction boxes, often made from steel or aluminium, offer excellent durability and protection against impacts. They are commonly used in industrial settings and outdoor applications where robust protection is required.

### **Plastics Junction Box**

Plastic junction boxes, typically made from PVC or polycarbonate, are lightweight, corrosion-resistant, and offer good electrical insulation. They are suitable for a wide range of applications, including residential and commercial settings.

## **Different Types of Junction Boxes**

Junction boxes are typically adaptable and can be used for multiple purposes, with their prices varying based on their size and application:

### **Surface-mounted Boxes**

Surface-mounted boxes are installed on the surface of a wall or ceiling, making them easily accessible for [cable maintenance](https://hken.rs-online.com/web/content/discovery/ideas-and-advice/industrial-cable-maintenance-a-guide-for-smart-investors) and modifications. They are typically used for outdoor lights and other fixtures that require access to electrical wiring. 

### **Flush-mounted Boxes**

Flush-mounted boxes are designed to fit almost flush with a finished wall or ceiling and are used when you need a neat, clean finish.

### **Recessed Boxes**

Recessed boxes are installed between two studs in an inside wall and can be used for many types of equipment, such as light switches or outlets.

## **What Junction Box Size Do I Need**

Choosing the correct junction box size is crucial to ensure adequate space for wiring and connections. The size is determined by the number and size of wires entering the box, as well as the type and number of devices installed within the box. A 4-inch junction box or a 6-inch junction box are common sizes for many applications.

## **IP Ratings for Junction Boxes**

Junction boxes are available in various IP ratings, such as IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67, and IP68. The IP rating of the junction box determines what type of protection it provides in terms of environmental conditions and dust penetration. The higher the number, the more secure the junction box is against external elements such as rain and dirt. 

## **Junction Box Applications**

Junction boxes are used in various settings, including:

- **Residential Buildings**: Protecting electrical connections in homes for lighting, power outlets, and appliances.
- **Commercial Buildings**: Providing safe and organised wiring solutions in offices, shops, and other commercial spaces.
- **Industrial Facilities**: Housing electrical connections for machinery, control panels, and other industrial equipment.
- **Outdoor Installations**: Protecting electrical connections for outdoor lighting, security systems, and other outdoor applications.

## **How to Choose the Right Junction Box**

Selecting the appropriate junction box involves considering factors such as the intended application, environmental conditions, material, size, and IP rating. [RS Hong Kong](https://hken.rs-online.com/web/) offers a wide range of junction boxes to meet diverse needs, ensuring you find the perfect solution for your electrical installation.

## **How to Order a Junction Box from RS Hong Kong?**

RS Hong Kong is a trusted supplier of junction boxes, offering a comprehensive selection from reputable brands like [HENSEL](https://hken.rs-online.com/web/b/hensel/), [ABB](https://hken.rs-online.com/web/b/abb/), and [Hammond](https://hken.rs-online.com/web/b/hammond/). We have a wide range of junction boxes available in various sizes and water-resistant materials, as well as price points. All our products are manufactured to the highest standards and are compliant with all relevant safety regulations. Our online platform provides a seamless ordering experience, allowing you to easily browse our product range, compare specifications, and place your order with just a few clicks.

Besides junction boxes, we offer other essential components like [terminal blocks](https://hken.rs-online.com/web/c/connectors/terminal-blocks/) and [standard enclosures](https://hken.rs-online.com/web/c/enclosures-server-racks/enclosures/) for your electrical needs.

## **How Delivery Works at RS Hong Kong**

RS Hong Kong offers reliable and efficient delivery services to ensure your orders reach you promptly. We provide various delivery options, including standard delivery and express delivery, allowing you to choose the service that best suits your requirements. Our online platform provides real-time tracking information, enabling you to monitor your order's progress from dispatch to delivery. Learn more by visiting our [delivery information page](https://hken.rs-online.com/web/content/services/delivery).



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