This Wago Complete Guide explains the background of Wago, its connection technology and the main product types commonly used by electricians. Wago is well known in the electrical industry for spring clamp connection products, wiring connectors, terminal blocks and related electrical installation accessories.
Looking to buy Wago products? Browse our main Wago Shop, or view our Wago connectors category for lever connectors, push-in connectors, terminals and related wiring products.
Wago was founded in 1951 in Minden, Germany, by Friedrich Hohorst and Heinrich Nagel. The company became known for developing spring pressure connection technology, offering an alternative to traditional screw-type terminal connections.
Spring Pressure Connection Technology
One of Wago’s major developments was Cage Clamp technology, introduced in 1977. This approach helped make electrical connections quicker and more consistent by using spring pressure rather than screw tightening.
Spring pressure connection technology remains one of the key reasons electricians choose Wago products for many wiring and connection tasks.
Growth and Product Development
Over time, Wago expanded beyond terminal blocks into a wider range of electrical connection and automation products. Today, the brand is associated with connectors, terminals, interface modules, automation systems and wiring accessories used across domestic, commercial and industrial applications.
Wago Product Range
Wago products are used in a wide range of electrical installations. The most familiar products for many electricians are Wago connectors, but the range also includes terminals, inline connectors, gel connectors, mounting accessories and wiring-related products.
Wago Connectors
Wago connectors are used to join electrical conductors quickly and neatly. Popular ranges include lever connectors, push-in connectors and compact splicing connectors, depending on the conductor type, cable size and application.
For current connector options, browse our Wago connectors category.
Wago 221 Lever Connectors
Wago 221 lever connectors are compact connectors with a lever mechanism and transparent housing for visual inspection. They are commonly used for lighting circuits, junction boxes, maintenance work, testing and general wiring alterations.
Wago Push-In Connectors
Wago push-in connectors are commonly used for fast conductor terminations where the correct conductor type and size are used. They are often selected for lighting, domestic wiring and general electrical work.
Wago Inline Connectors
Wago inline connectors are used where a straight-through connection is required. They can be useful for extending wiring, joining conductors in line and working in confined installation spaces, subject to the product specification.
Wago Gel Connectors
Wago gel connectors are designed for applications where additional protection against moisture or environmental exposure may be required. Always check the product listing and manufacturer information to confirm suitability for the installation.
Wago Boxes and Connector Enclosures
Wago connectors are often used with suitable junction boxes or connector enclosures where the connection requires protection, strain relief or a maintenance-free style installation.
For suitable enclosures and connector boxes, browse our Wago Boxes and Connexbox grey enclosures category. This includes Wago-branded box products as well as Connexbox grey enclosures used for compatible Wago connector installations.
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Why Electricians Use Wago Products
Fast Installation
Wago connectors and terminals are designed to make conductor connections quicker and easier compared with some traditional screw terminal methods.
Consistent Connections
Spring clamp technology helps maintain pressure on the conductor, reducing reliance on manual screw tightening and helping create a consistent connection when installed correctly.
Compact Wiring Solutions
Many Wago products are compact, making them useful for junction boxes, lighting circuits, control panels, maintenance work and installations where space is limited.
Wide Range of Options
The Wago range includes different connector types, numbers of ways, conductor sizes and installation formats. This allows electricians to choose the correct connector or accessory for the job.
Choosing the Right Wago Product
Before ordering, check the product specification carefully. The correct Wago product depends on the cable type, conductor size, number of conductors, current rating, voltage rating, enclosure requirements and installation environment.
Check whether the connector is suitable for solid, stranded or flexible conductors
Confirm the supported conductor size range
Choose the correct number of ways or terminals
Check the current and voltage rating
Use a suitable enclosure where required
Follow the manufacturer’s instructions and current UK wiring regulations
Wago products should be selected and installed by a competent person or qualified electrician. Always confirm conductor compatibility, enclosure requirements, cable size, circuit rating and manufacturer instructions before installation.
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Conclusion
Wago products are widely used by electricians because they offer compact, practical and efficient connection solutions for many wiring applications. From lever connectors and push-in connectors to inline connectors, gel connectors and installation accessories, the correct product should always be chosen based on the circuit, conductor type and installation requirements.
Wago FAQ
Are Wago connectors legal in the UK?
Yes, Wago connectors are legal in the UK. They are widely used and comply with UK electrical standards and regulations, including the IET Wiring Regulations (BS 7671). However, it is essential to ensure that the connectors are used correctly and in accordance with the manufacturer’s guidelines.
Are Wago better than wire nuts?
Wago connectors offer several advantages over traditional wire nuts. They provide a more secure and reliable connection without the need for tools, are vibration-resistant, and generally offer a more straightforward installation process. Wire nuts can be more prone to issues with loosening over time, whereas these connectors typically provide a more consistent and maintenance-free solution.
Is a Wago a permanent connection?
Wago connectors are designed to provide a permanent connection once installed. They use spring pressure to hold wires securely, eliminating the need for re-tightening. As long as they are installed correctly, they offer a durable and reliable connection that is intended to last for the life of the installation.
Can you use Wago connectors in house wiring?
Yes, Wago connectors can be used in house wiring. They are suitable for a wide range of applications, including residential wiring. Their connectors are commonly used for splicing wires in junction boxes, light fittings, and other electrical connections in domestic settings.
Can I use Wago instead of a junction box?
Wago connectors can be used instead of traditional junction boxes in many applications. They are often used for splicing wires directly, which can simplify installations and reduce the need for additional junction boxes. However, for some applications, especially those involving multiple connections or requiring additional protection, a junction box may still be necessary.
What is the difference between Wago 221 and 222?
The Wago 221 and 222 are both types of lever-operated connectors, but they have some differences: 221 Series: Known for its compact design, it is suitable for use with various wire types and sizes. It allows for easy inspection of connections and is often used in residential and light commercial applications. 222 Series: These connectors are similar in functionality but typically feature a larger design and can accommodate slightly larger wire sizes. They are designed for applications where more robust connections are required.
Do Wago connectors fail?
While Wago connectors are generally reliable and well-regarded, like any electrical component, they can fail if not used correctly. Common causes of failure include incorrect installation, exceeding the rated current or voltage, or using them in inappropriate environmental conditions. Following manufacturer guidelines and using the connectors within their specified limits will help minimize the risk of failure.
How many cables can you fit in a Wago?
The number of cables you can fit in a Wago connector depends on the specific model and size of the connector. For example: 221-412: Can accommodate up to 4 conductors, each up to 2.5 mm². 221-413: Can accommodate up to 3 conductors, each up to 4 mm². Always check the connector’s datasheet for exact specifications.
Can you use Wago 221 on a ring main?
Yes, Wago 221 connectors can be used on a ring main, provided they are used within their rated current and voltage limits. They offer a secure and reliable connection suitable for various wiring configurations, including ring mains.
Should I use ferrules with Wago?
Ferrules are generally not required with Wago connectors, as the spring-clamp mechanism can securely hold stranded wires without them. However, ferrules can be used if you prefer to ensure that stranded wires are fully captured and prevent any potential fraying.
What size Wago for 2.5 mm cable?
For 2.5 mm² cable, you should use Wago connectors that are rated for this size. For example, the 221-412 connector is suitable for 2.5 mm² wires and provides a reliable connection for this cable size.
How many wires can a WAGO 221 hold?
The number of wires a Wago 221 connector can hold depends on the specific model. For instance, the 221-412 can hold up to 4 wires, while the 221-413 can accommodate up to 3 wires. Always refer to the product specifications for precise details.
Are Wago wire connectors legal?
Yes, Wago wire connectors are legal and widely accepted in many countries, including the UK, as long as they are used in accordance with local electrical regulations and standards. They are compliant with various safety and performance standards.
How many amps can a Wago 221 take?
The current rating of a Wago 221 connector depends on the specific model and wire size. For example, the 221-412 is typically rated for up to 32 amps, while other models may have different ratings. Always check the connector’s datasheet for accurate ratings.
Can you use Wago on 6mm cable?
Yes, Wago connectors can be used with 6 mm² cable, but you need to use connectors specifically designed for this wire size. The 221-413 or similar models that accommodate larger wire sizes are suitable for 6 mm² cables.
Can you use Wago connectors without a box?
Wago connectors can be used without a junction box for some applications, as long as the installation complies with safety regulations. However, in many cases, using a junction box or enclosure provides additional protection and ensures compliance with electrical codes.
How many amps can a 6mm Wago take?
The ampacity of a 6 mm² Wago connector depends on the specific model. Generally, connectors designed for 6 mm² cables can handle current ratings around 40-50 amps, but it is essential to check the manufacturer’s specifications for the exact rating.
Can you put two wires into a Wago connector?
Yes, you can put two wires into a Wago connector, provided the connector is rated for the wire sizes and the number of wires being connected. Ensure that the wires are inserted properly and fully into the connector for a secure connection.
Can you daisy chain Wago connectors?
Yes, you can daisy chain Wago connectors if needed. This involves connecting multiple Wago connectors in series to extend the wiring or to connect multiple circuits. Ensure that each connector is used within its rated capacity and that all connections are secure.
Can you plaster over Wagos?
While it is possible to plaster over Wago connectors, it is generally not recommended. Connectors should be accessible for inspection and maintenance. If you must cover them, ensure that the installation complies with local electrical codes and regulations.
Can you use Wago connectors in a plug socket?
Wago connectors are typically not used inside plug sockets. Plug sockets usually require connections to be made in accordance with specific wiring regulations and often use traditional terminal methods. Wago connectors are more commonly used in junction boxes and other wiring enclosures.
Do you have to use all the slots in a Wago connector?
No, you do not have to use all the slots in a Wago connector. Slots can be left unused if not needed for the particular application. Ensure that any unused slots are properly covered or sealed according to the manufacturer’s recommendations.
Can you reuse a Wago connector?
Wago connectors are generally designed for one-time use to ensure a secure and reliable connection. Reusing connectors can compromise their integrity and performance. If a connector needs to be removed, it is advisable to replace it with a new one to maintain safety and reliability. These FAQs cover the most common questions about Wago connectors and their applications, providing clarity on their use, benefits, and limitations.
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Wago Complete Guide