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Nichifu TMEV Insulated Crimp Spade Connector, 0.3mm² to 1.6mm², 22AWG to 16AWG, #6 Stud Size Vinyl, Red

Nichifu 1.25Y Uninsulated Crimp Spade Connector, 0.25mm² to 1.65mm², 22AWG to 16AWG, #6 Stud Size

Nichifu 1.25Y Uninsulated Crimp Spade Connector, 0.25mm² to 1.65mm², 22AWG to 16AWG, #8 Stud Size

Nichifu 2Y Uninsulated Crimp Spade Connector, 1mm² to 2.6mm², 16AWG to 14AWG, #8 Stud Size

Nichifu 1.25Y Uninsulated Crimp Spade Connector, 0.25mm² to 1.65mm², 22AWG to 16AWG, #4 Stud Size


A fork terminal, also known as a crimp spade terminal or split ring, is a short metal tube with a flat forked attachment. The tube, or barrel end, is a hollow cylinder into which a stranded wire is inserted and crimped to create a secure, solderless electrical connection.

Conversely, the contact or connection end is a flat fork with a central hole, designed to connect securely to a stud or bolt. These forked terminal connectors can be either insulated or non-insulated, offering versatile connectivity options.

At RS Australia, you’ll find a wide range of forked spade terminals from various manufacturers to meet diverse electrical wiring needs.

## **Uses of Fork Terminals**

The primary use of a fork terminal is to establish secure electrical connections, particularly to screws and studs. The forked spade offers a distinct advantage over other terminal types, especially in applications demanding straightforward attachment, removal, and maintenance. Here’s what they do:

- **Connect wires to studs or bus bars**: Forked spade terminals are commonly used to efficiently attach electrical wires to studs, bus bars, or other integral parts of an electrical system.
- **Facilitate easy disconnection**: The open-ended design of a cable fork allows for swift removal by simply loosening the binding screw, making them ideal for applications requiring frequent maintenance or modifications, such as in control panels or home electrical projects.
- **Provide secure connections**: A fork lug ensures a secure and safe connection method. These crimp connectors are built for long-term applications, providing reliability in various operational environments.

## **Types of Fork Terminals**

Fork terminals are available in a broad assortment of ring sizes and wire gauges, catering to diverse electrical applications. The critical factor for selection is ensuring that the CSA (cross sectional area) or AWG (American wire gauge) of the stranded wire matches the terminal's amperage rating.

Similarly, the size of the fork itself must correspond to the bolt or stud size, typically measured metrically.

### **Insulated Fork Terminals**

An insulated fork terminal features a protective sleeve over the crimp barrel, preventing accidental short circuits and enhancing safety. This makes an insulated fork ideal for applications where protection against electrical contact or environmental factors is crucial, such as in control panels or automotive wiring.

### **Colour-Coded Fork Terminals**

These are specific types of insulated terminals that come in various colours to denote compatible wire sizes and overall compatibility. This colour-coding system aids in quick and easy identification, facilitating organised and efficient wiring.

#### **Red Fork Terminals**

Red fork terminals are designed to accommodate conductors ranging from 0.25 to 1.5mm² or 22 to 16 AWG. They require a [wire crimper](http://au.rs-online.com/web/content/discovery/ideas-and-advice/crimp-tools-guide) of similar size or colour coding cavity.

These are commonly used for lighter-duty applications, ensuring a secure and reliable connection in various low-power electrical circuits.

#### **Blue Fork Terminals**

Blue fork terminals are engineered to fit conductors of sizes 1.5 to 2.5mm² or 16 to 14 AWG. Correspondingly, the crimping jaw should have a cavity with a similar gauge marking to establish a tight and secure wire connection.

These terminals offer a reliable connection for medium-duty electrical applications, providing enhanced current carrying capacity.

#### **Yellow Fork Terminals**

Yellow fork terminals are specified for larger conductors, typically from 4 to 6mm² or 12 to 10 AWG. These are generally used for heavier-duty electrical connections, providing robust and secure termination in higher-current applications.

### **Non-Insulated Fork Terminals**

Non-insulated fork terminals are larger in size and lack the protective sleeve found on their insulated counterparts. They are designed to connect larger stranded wires to bigger studs and bolts, making them suitable for heavy-duty applications where maximum conductivity is paramount. Their installation often requires more specialised tooling for proper crimping.

## **How to Choose the Right Fork Terminals for Your Needs**

To ensure you select the forked terminal that precisely fits your project requirements, consider the following factors:

- **Wire gauge compatibility**: Match the terminal size with your wire gauge to achieve an optimal and secure electrical connection.
- **Insulation type**: Consider whether your application demands an insulated fork terminal for enhanced safety, or if a non-insulated version suffices based on specific safety regulations.
- **Current rating**: Always ensure the chosen forked terminal can safely handle the necessary current rating required by your particular application. This helps to prevent overheating or failure.
- **Mounting**: When selecting your fork cable lug, confirm its compatibility with the screw or connector type you intend to use for effective installation.
- **Environmental resistance**: For harsh or outdoor environments, opt for fork terminals featuring appropriate insulation or corrosion resistance to guarantee long-term performance and reliability.

## **Mistakes to Avoid when Buying Fork Terminals**

When procuring fork terminals, it is important to avoid several common pitfalls that could compromise the integrity and safety of your electrical connections:

- **Incorrect size matching**: Loose or unreliable connections may arise if the wire size does not match with the terminal's barrel size. In turn, poor conductivity or disconnections may occur.
- **Wrong insulation**: Deploying non-insulated terminals in environments where robust protection is necessary can create significant safety hazards, including the risk of short circuits or electrical shock.
- **Overlooking material quality**: A fork lug made from low-quality materials can result in compromised conductivity or accelerated corrosion, shortening the lifespan of the entire terminal connection.
- **Mismatched current ratings**: Neglecting to align the terminal's current rating with your application's requirements can cause the fork terminal connector to overheat, potentially leading to its failure and damage to connected components.

## **Industrial Applications of Fork Terminals**

Fork terminals are versatile components with widespread industrial applications across Australia, providing reliable electrical connections in diverse settings:

- [**Industrial manufacturing and automation**](https://au.rs-online.com/web/c/automation-control-gear/): Widely used in automated machinery and electrical control panels, fork cable lugs ensure secure connections for wiring and circuit boards. They also help to withstand high mechanical stress.
- **Automotive**: Essential in wiring harnesses and vehicle electrical systems, forked spade connectors provide secure, durable, and vibration-resistant connections in lighting, ignition, and power distribution systems.
- [**HVAC systems**](https://au.rs-online.com/web/c/hvac-fans-thermal-management/): In heating, ventilation, and air conditioning units, insulated fork terminal solutions offer safe and reliable electrical connections, crucial for maintaining climate control efficiency.
- **Renewable energy installations**: Solar panel arrays and wind turbine control systems in Australia often utilise robust fork lug components for secure and long-lasting electrical terminations in outdoor conditions.
- **Telecommunications infrastructure**: For networking equipment and communication cabinets, red, blue, and yellow fork terminals aid in organised and reliable wiring, simplifying maintenance and troubleshooting.

## **Your Trusted Supplier and Manufacturer for Fork Terminals**

RS Australia stands as a trusted supplier and distributor of high-quality fork terminals in Australia. We source our extensive range from reputable manufacturers like [TE Connectivity](https://au.rs-online.com/web/b/te-connectivity/), [JST](https://au.rs-online.com/web/b/jst/), [Hirschmann Test & Measurement](https://au.rs-online.com/web/b/hirschmann-test---measurement/), and [MECATRACTION](https://au.rs-online.com/web/b/mecatraction/), assuring product quality and compliance.

Beyond our wide selection of forked terminal connectors, we also offer a comprehensive array of other electronic components and supplies, such as [bullet connectors](https://au.rs-online.com/web/c/connectors/wire-terminals-splices/bullet-connectors/) and [Ethernet accessories](https://au.rs-online.com/web/c/connectors/network-telecom-connectors/ethernet-connector-accessories/), making us your one-stop shop for all your project needs.

Explore our user-friendly online platform to find the products you need and get them shipped to your doorstep with our prompt delivery services. Moreover, with flexible options designed to meet your scheduling requirements, we ensure that you receive your supplies when you need them. Learn more about our delivery fees and timeslots at our [delivery information page](https://au.rs-online.com/web/content/support/all-articles/delivery).



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