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HENSEL Mi Series Grey Polycarbonate Junction Box, IP66, 150 mm, 575 mm 425 mm

HENSEL FK Series Orange Sheet Steel Junction Box, IP66, 5 Terminals, 80 mm, 200 mm 200 mm

HENSEL Mi Series Grey Polycarbonate Junction Box, IP66, 150 mm, 575 mm 575 mm

HENSEL FK Series Orange Stainless Steel Junction Box, IP65, 5 Terminals, 138 mm, 515 mm 276 mm

HENSEL FK Series Orange Sheet Steel Junction Box, IP55, 160 mm, 255 mm 255 mm


Junction boxes, also known as electrical outlet boxes, terminal boxes or J boxes, act as weatherproof outdoor enclosures that provide secure housing for electrical wiring and devices. These waterproof boxes can be installed outside, protecting 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. So, it is important to choose the right size and type of junction 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 if you’re installing it as an underground, ceiling, skirting board or [wall-mount box](https://au.rs-online.com/web/c/enclosures-server-racks/enclosures/wall-boxes/). A sealed box lid or cover provides security for all the internal components.

## **What Materials Are Junction Boxes Made From?**

Junction boxes can be made from various plastics (such as PVC and fibreglass) and metals (stainless steel). Both types are suitable for most household projects, but metal boxes must be grounded and connected to the ground system of the circuit. Also, the material of the box should always match the material of the device it contains.

## **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. Some common types include surface-mounted boxes, flush-mounted boxes, recessed boxes and fire-rated boxes. 

- **Surface-mounted boxes** are installed on the external walls of buildings and are typically used for outdoor lights and other fixtures that require access to electrical wiring.
- **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** are installed between two studs in an inside wall and can be used for many types of equipment such as [light switches](https://au.rs-online.com/web/content/discovery/ideas-and-advice/guide-to-selecting-light-switches) or outlets.
- **Fire-rated** **junction boxes** are designed to withstand high temperatures and prevent the spread of fire, making them ideal for commercial buildings, industrial facilities, and areas with stringent fire safety regulations.

## **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. 

It’s worth noting that the build quality and design of junction boxes significantly contribute to their IP rating. For instance, RS PRO’s junction boxes are constructed with high-quality steel and feature an all-welded basic body, which enhances their structural integrity. They achieved a high IP index through all-round knife edges against which an expanded polyurethane (PU) seal is pressed. Plus, this robust sealing mechanism ensures that the boxes are highly resistant to water, dust and debris, allowing them to meet stringent IP66 standards.

Check out our [guide to IP ratings](https://au.rs-online.com/web/content/discovery/ideas-and-advice/ip-ratings) to get more details. 

## **Industrial Applications of Junction Boxes**

Junction boxes are essential in various industrial applications, providing secure and organised enclosures for electrical connections. They are widely used in industries such as manufacturing, construction and power distribution. For example, metal junction boxes are used in factories to protect wiring from physical damage and environmental hazards. Exterior junction boxes, on the other hand, are employed in construction sites to safeguard electrical connections exposed to the elements. In the energy sector, fire-rated junction boxes [ensure industrial safety](https://au.rs-online.com/web/content/discovery/ideas-and-advice/workplace-on-site-safety-guide) by preventing the spread of fire, making them crucial for high-risk environments.

## **Get Junction Boxes at RS**

Whether you are looking for a surface-mounted, flush-mounted, or recessed junction box, RS Australia has the right product to suit your needs. Check out our range of junction boxes below.

## **Buying Junction Boxes: Ordering & Delivery Information for Australia**

RS Australia is a trusted supplier and distributor of high-quality junction boxes from leading brands such as [RS PRO](https://au.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4291780588), [ABB](https://au.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294967279), [Clipsal Electrical](https://au.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294966907), and [HENSEL](https://au.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294966473). Our comprehensive collection of junction boxes is available in various sizes and materials. Whether you buy a junction box, [ethernet plug](https://au.rs-online.com/web/c/connectors/network-telecom-connectors/ethernet-connectors) or [heavy-duty connector](https://au.rs-online.com/web/c/connectors/power-connectors/heavy-duty-power-connectors/) from us, you can expect a high-quality product that complies with all relevant safety regulations.

**Delivery Options:**

- **Next Working Day Delivery:** Available for orders placed before 5 pm AEST on weekdays, except for large items and global stock.
- **Same Day Delivery (Local Stock Orders Only):** Finalise your order before 11:45 am AEST on weekdays and enjoy same day delivery within the Sydney Metro area.

For more details, contact Customer Service or visit our [Delivery page](https://au.rs-online.com/web/content/support/all-articles/delivery).



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HENSEL Junction Boxes | RS

HPM CD Series White Polyvinyl Chloride Junction Box 4 Terminals 70 mm 36 mm

Clipsal Electrical 56 Series Grey Polycarbonate Junction Box 101 mm, 101 mm 91 mm

Clipsal Electrical T240 Series Grey Polyvinyl Chloride Junction Box 9 cm, 20 mm 4.4 cm

Clipsal Electrical 252 Series Grey Polyvinyl Chloride Junction Box 115 cm, 155 cm 53 cm

Clipsal Electrical 265 Series Orange Polyvinyl Chloride Junction Box 163 mm, 108 mm 81 mm

Clipsal Electrical Saturn Series Black Junction Box 10.5 cm, 8.5 cm 4 cm

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