HellermannTyton EL Series Grey Polystyrene Junction Box, IP67, 328x129x239mm

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HellermannTyton EL Series Grey Polystyrene Junction Box, IP67, 155 x 179 x 100mm

HellermannTyton EL Series Grey Polystyrene Junction Box, IP67, 241x95x180mm

HellermannTyton EL Series Grey Polystyrene Junction Box, IP67, 108x64x108mm

HellermannTyton RAL 7035 Light Grey Plastic Junction Box, IP54, 89x52x89mm

HellermannTyton EL Series Grey Polystyrene Junction Box, IP67, 162x78x116mm


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. What these outdoor waterproof boxes do is 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. Additionally, they come in different designs and sizes, including small and large enclosures. So, it is important to choose the right junction box for your project's needs to ensure safety and compliance with the relevant rules and regulations. These boxes may have knockouts, integrated thread, or self-sealing membranes 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, floor or ceiling). A sealed box lid or cover provides security for all the internal components.

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

The choice of material for a junction box impacts its performance, durability, and suitability for specific applications. Let's explore the typical materials junction boxes are made of and their characteristics:

**Plastic Junction Boxes**

Plastic junction boxes are favoured due to their affordability, lightweight design, and easy installation. They are perfect for indoor residential and light commercial applications, particularly in environments where corrosion resistance is needed. Additionally, their non-conductive properties make them inherently safer to handle.

Common plastic materials include:

- **PVC (Polyvinyl Chloride):** Used due to its affordability and resistance to moisture and chemicals.
- **Polycarbonate:** Known for its strength, transparency, and UV resistance, making it suitable for an outdoor junction box or outlet box.
- **ABS (Acrylonitrile Butadiene Styrene):** Offers excellent impact resistance and can withstand extreme temperatures.

**Metal Junction Boxes**

Metal junction boxes provide exceptional durability and are preferred for industrial settings or locations demanding high mechanical strength. For safety, metal junction boxes must be properly grounded and connected to the circuit's grounding system.

Common metal materials include:

- **Steel:** Provides robust protection against impacts and offers excellent heat dissipation properties.
- **Aluminium:** Lightweight yet sturdy, with excellent corrosion resistance, making it suitable for outdoor junction boxes.
- **Stainless Steel:** Offers exceptional durability and corrosion resistance for harsh environments.

**Fiberglass Junction Boxes**

Fiberglass Reinforced Polyester (FRP) junction boxes offer the advantages of both plastic and metal alternatives. They are commonly utilised as outdoor junction boxes or in industrial settings where durability and chemical resistance are crucial.

Key features of fiberglass junction boxes:

- Excellent resistance to corrosion and harsh chemicals
- High strength-to-weight ratio
- Non-conductive properties
- Suitable for extreme weather conditions

## **Types of Junction Boxes**

Junction boxes play a crucial role in safeguarding electrical connections and organising wiring systems. They come in various types, each designed for specific applications and environments. 

Some of the common types of junction boxes are as follows:

### **Surface-Mounted Junction Boxes**
- Ideal for outdoor applications.
- Typically used for outdoor lights and fixtures.
- Provide easy access to electrical wiring.
- Often weatherproof or waterproof for protection against the elements.

### **Flush-Mounted Junction Boxes**
- Designed for a clean, seamless appearance.
- Installed almost flush with finished walls or ceilings.
- Commonly used in indoor residential and commercial settings.
- Perfect for light switches, outlets, and indoor lighting fixtures.

### **Recessed Junction Boxes**
- Installed before walls or ceilings are finished.
- Offer a concealed solution for electrical connections.
- Suitable for various equipment, including switches and outlets.
- Provide additional space for wiring in tight areas.

### **Waterproof Junction Boxes**
- Specifically designed for outdoor use or wet environments.
- Feature gaskets and seals to prevent water ingress.
- Ideal for outdoor electrical installations, pool areas, and bathrooms.
- Available in both plastic and metal options.

### **Weatherproof Outdoor Junction Boxes**
- Designed to withstand harsh outdoor conditions.
- Feature robust seals and protective coatings.
- Suitable for exposed outdoor installations.
- Often made of UV-resistant materials like polycarbonate plastic or fiberglass.

## **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. 

## **Industrial Applications of Junction Boxes**

RS Malaysia offers a diverse range of junction boxes designed to meet the specific needs of various industries. These are the sectors where our junction boxes commonly ensure the safe and reliable operation of electrical systems:

### **Retail and Office**

In retail and office environments, junction boxes play a crucial role in powering lighting, security systems and point-of-sale terminals. Our selection includes junction boxes that seamlessly blend with your interior aesthetics.

### **Storage Facilities**

Warehouse and storage facilities require robust junction boxes that can withstand harsh conditions and heavy usage. Our weatherproof and durable junction boxes protect electrical connections from dust, moisture, and accidental damage, ensuring uninterrupted operations.

### **Distribution Hubs**

Efficient distribution hubs rely on a network of electrical connections to power conveyors, sorting systems and other critical equipment. RS Malaysia offers a variety of junction boxes with ample space for [cable ducting](https://my.rs-online.com/web/c/cables-wires/cable-management/cable-trunking/), facilitating easy installation and maintenance.

### **Production Facilities**

Industrial manufacturing environments demand junction boxes that can handle high voltages and complex wiring configurations. Our range includes junction boxes that meet stringent [industrial safety standards](https://my.rs-online.com/web/content/discovery/ideas-and-advice/workplace-on-site-safety-guide), protecting your workforce and equipment.

## **Get Junction Boxes at RS**

Whether you are looking for a surface-mounted, flush-mounted, or recessed junction box, [RS](https://my.rs-online.com/web/) has the right product to suit your needs. We have a wide range of junction boxes available in various sizes and materials. Plus, our extensive selection includes items from trusted brands such as [HENSEL](https://my.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294966473), [ABB](https://my.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294967279) and [Hammond](https://my.rs-online.com/web/c/enclosures-server-racks/enclosures/junction-boxes/?applied-dimensions=4294966455).

All our products are manufactured to the highest standards and are compliant with all relevant safety regulations. Check out our range of junction boxes below.

## **Frequently Asked Questions About Junction Boxes**

### **When should you use a junction box?**

A junction box is necessary whenever you need to connect or branch electrical wires. They are also used to house electrical switches, outlets, and other devices, ensuring safe and organised electrical systems.

### **What is the difference between a junction box and a joint box?**

The terms "junction box" and "joint box" are often used interchangeably. Both refer to enclosures designed to house electrical connections and protect wires from external elements. However, "joint box" may sometimes refer to a specific type of junction box used for underground cable connections.

### **Is it OK to put a junction box inside of a wall?**

Yes, junction boxes can be installed as [wall-mounted enclosures](https://my.rs-online.com/web/c/enclosures-server-racks/enclosures/wall-boxes/), either with a recessed or flush-mounted design. It's essential to ensure proper installation and secure closure to maintain safety and prevent electrical hazards.

## **Delivery Information**

RS Malaysia prioritises fast and efficient delivery of your junction box orders. We offer next-day delivery on eligible items when you order before 4:00 pm, Monday through Friday. Our delivery lead times range from 2 to 6 working days, depending on the origin of your order.

For a comprehensive overview of our delivery options, including specific lead times, exclusions, and consolidated delivery details, please visit our [Delivery Page](https://my.rs-online.com/web/content/support/all-articles/delivery).



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HellermannTyton Junction Boxes

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