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Also known as an Electrical Outlet Box or Outlet Box, Junction boxes act as an [enclosure](https://uk.rs-online.com/web/c/enclosures-server-racks/enclosures/) that provides secure housing for electrical wiring and devices to protect them from external forces such as weather, neighbouring materials and vandalism. They act as a connector to a pattress and in a lot of cases can be found installed behind a downlighter.

### How do junction boxes work?

A junction box provides points on entry for [lighting & electrical cables](https://uk.rs-online.com/web/c/cables-wires/electrical-power-industrial-cable/lighting-electrical-cable/). It is important to note that they come in various shapes and sizes, so choosing the right one is vital to stay safe and legally compliant. They also have different points of entry, consisting of knockout, integrated thread or self-sealing membranes.

Internally, there are mounting points for screws in each corner, so you should use the correct [masonry plugs, anchors and fixings](https://uk.rs-online.com/web/c/fasteners-fixings/wall-plugs-anchors-fixings-kits/masonry-plugs-anchors-fixings/) for the surface you are mounting to such as a wall, skirting board or ceiling.

Once the junction box has been mounted and all the cables have been prepared, wiring connections can be made using the correct connectors such as cable [terminals and splices](https://uk.rs-online.com/web/c/connectors/terminals-splices/). A sealed box lid or box cover then provides security for all the internal components.

### What materials are they made from?

A weatherproof junction box can be made from various plastics and metals. Both are suitable for most household projects but metal boxes require grounding and must be connected to the ground system of the circuit.

### Types of Junction boxes

They are typically an adaptable box, which means some are cross-functional. Although, you should never use a standard box for a specialty job. For example, a round box is only used for lightweight fixtures and shouldn't be used for a ceiling fan.

### What IP ratings are available?

IP ratings such as; IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67 and IP68 are available

For more information on IP ratings [click here](https://uk.rs-online.com/web/generalDisplay.html?id=ideas-and-advice/ip-ratings)



Shop our range of Junction Boxes supplies & accessories. Free Next Day Delivery. Browse our latest Junction Boxes offers.

Junction Boxes | RS

Junction Boxes

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IP68 Junction Boxes | RS

Plastic Junction Boxes | RS

IP67 Junction Boxes | RS

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Hammond Junction Boxes | RS

<p>Hammond junction boxes can also be identified as electrical outlet boxes. These boxes serve as an enclosure protecting and securing electrical equipment from external influences. These external factors include high temperatures, water, dirt, dust, oil, and corrosive environments. Hammond junction boxes provide high quality insulation and protection suitable for a variety of applications. These junction boxes are intended for use as general purpose enclosures, electrical enclosures, and hydraulic and pneumatic control housings.</p><p>Junction boxes provide points of entry for lighting and electrical cables. Available in an array of different forms and sizes. It is imperative to make the right selection ensuring safety and legal compliance. It is also important to consider other aspects such as mounting type, IP rating and material. Stainless steel hinges, doors and gaskets can also be used for support and sealing.</p><h4>Types of Hammond Junction Boxes</h4><p>A variety of Hammond Junction Boxes are available at RS ready for free next day delivery. Junction boxes are available in a range of different dimensions and materials. Complaint with IP54 and IP66. These adaptable multipurpose boxes are formulated in different materials to suit the need of the type of application or environment in which the box will be situated within. All internal components are then secured by a sealed lid. Hammond junction boxes are manufactured in die cast aluminium, polycarbonate, polyester, and stainless steel. Suitable for a range of commercial and industrial needs.</p>

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<p>Rittal Junction Boxes are a vital component of electrical and industrial installations, serving as reliable enclosures for your connections and wiring. Crafted with precision, these junction boxes offer exceptional protection against environmental factors and ensure the safety of your electrical connections. Whether for indoor or outdoor applications, Rittal Junction Boxes provide the durability and performance you can trust. With a range of sizes and configurations available, they are designed to meet your specific requirements, making them a top choice for professionals in the field. Count on Rittal for robust and dependable junction boxes that guarantee the security of your electrical connections.</p>

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<p>Please look at our range of IP44 rated junction boxes, bought to you in partnership with ABB, the globally renowned technology giant. ABB's IP44 rated junction boxes, or enclosures, protect their contents against water splashes, as well as solid objects that are bigger than 1mm.</p><h2>What is an Ingress Protection (IP) rating?</h2><p>An IP rating is usually a two-digit grading system that is given to an enclosure that houses mechanical, or electrical wiring and devices. An IP rating allows customers to have a clear idea of an enclosure's resistance to various intrusions. An IP rating highlights an enclosures resistance to the following:</p><ul><li>Moisture ingress</li><li>Ingress from dust, dirt, and other foreign bodies</li><li>Ingress from a user's fingers and hands etc.</li></ul><p>The first digit in an IP rating refers to the enclosure's protection from foreign bodies and particulate ingress, whilst the second digit refers to the enclosure's level of protection from moisture ingress.</p><h3>What does the Ingress Protection rating IP44 stand for?</h3><p>An IP44 rated junction box from ABB's range offers level 4 protection from foreign body and particulate ingress, meaning it protects its contents fromsolid objects larger than 1mm, such as nails, screws, fine tools and wires, larger insects, and other invasive objects. An IP44 rated box also offers level 4 ingress protection rating, meaning it protects against splashing water from any direction and has been tested for a minimum of 10 minutes with an oscillating spray.</p>

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ABB IP55 Junction Boxes | RS

<p>Please browse our range of IP55 rated junction boxes, bought to you by our partner brand ABB. ABB's IP55 rated junction boxes offer protection from water jets from any direction (from a 6.3mm nozzle), as well as protection from the intrusion of solid objects.</p><h2>What is an IP rating?</h2><p>An Ingress Protection (IP) rating is a two-digit grading system that is applied to enclosures that house electrical, or mechanical wiring and devices. An enclosures IP rating gives customers a clear idea of the item's resistance to various external elements. An IP rating indicates the following three criteria:</p><ul><li>An enclosures resistance to moisture ingress</li><li>An enclosures resistance to ingress from dust, dirt, and other foreign bodies</li><li>An enclosures resistance to Ingress from a user's fingers and hands etc.</li></ul><p>The first digit in an enclosures IP rating refers to the level of protection from foreign bodies and particulate ingress, whilst the second digit denotes the enclosure's level of protection from moisture ingress.</p><h3>What does the Ingress Protection rating IP55 stand for?</h3><p>An IP55 rated junction box from ABB's range offers level 5 partial protection against dust and other particulates. A IP44 rating also indicates the enclosure offers level 5 protection from moisture ingress, keeping its contents safe from low-pressure jets (6.3mm), directed from any angle.</p>

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ABB IP65 Junction Boxes | RS

<p>Please browse ABB's high-quality range of IP65 rated junction boxes. A junction box, or outlet box, is a secure enclosure that is used for connecting wires, such as electrical wires and devices. A junction box acts as housing to protect wiring and electrical devices from any external elements that could damage them, such as vandalism and weathering. ABB's IP65 rated junction boxes offer complete protection against low pressure water jets and the ingress of dust.</p><h2>What is an Ingress Protection (IP) rating?</h2><p>An IP rating, or Ingress Protection mark is normally a two-digit grading system that is applied to an enclosure that houses mechanical or electrical items. An IP rating gives customers a clear indication of the enclosure's resistance to various external elements and intrusions. An IP rating denotes three key metrics:</p><ul><li>An enclosures resistance to ingress from dust, dirt, and other foreign bodies</li><li>An enclosures resistance to moisture ingress</li><li>An enclosures resistance to ingress from a user's hands, fingers etc.</li></ul><p>The first digit in an IP rating refers to the enclosure's protection from particulate ingress and foreign bodies and the second digit refers to the enclosure's protection from moisture ingress.</p><h3>What does the Ingress Protection rating IP65 mean?</h3><p>An IP65 rated junction box from ABB's range offers the highest rated protection &quot;level 6&quot; from foreign body and particulate ingress. An IP65 rated enclosure offers its contents full protection against dust and particulates and has a vacuum seal, which is tested against continuous airflow. In terms of protection from moisture ingress, the enclosure is rated a median level 5, meaning it offers its contents protection against low-pressure jets (6.3mm), or directed water from any angle.</p>

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ABB Junction Boxes | RS

<p>Take a look at our extensive range of junction boxes, brought to you in partnership with the global technology giant ABB. A junction box is used for connecting wires and the box required is selected depending on the application for which it is being used. Junction boxes may also be referred to as outlet boxes or electrical outlet boxes because they provide a secure enclosure for electrical wiring and devices. They act as housing to protect electrical devices and wiring from external elements, such as weathering and vandalism. ABB junction boxes can be supplemented by a wide variety of optional accessories and equipment, making installation quick and easy</p><h2>Are ABB's junction boxes waterproof?</h2><p>ABB's versatile range includes junction boxes that include membrane cable entries and have been manufactured using two-component technology, making them suitable for wet areas. The knock-out membranes on these devices act as gaskets.</p><h3>What IP ratings do ABB's junction boxes meet?</h3><p>ABB's junction boxes meet a range of ingress protection (IP) ratings, depending on the application they will be used for. The most common IP ratings within the range include:</p><ul><li>IP44 rated junction boxes are protected against water splashes as well as solid objects that are bigger than 1mm</li><li>IP55 rated boxes are protected from solid objects and water jets from any directions (from a 6.3mm nozzle)</li><li>IP65 rated junction boxes are completely protected against low pressure water jets and the ingress of dust</li></ul>

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