Banana Connectors

Banana Connectors are a type of connector used in creating and testing electrical connections. They are used for joining wire to electrical test equipment or electrical circuit boards. Banana connectors are sometimes referred to as 4 mm connectors as these are a common size. Banana connectors are a popular type of connector as they are used universally and provide an easy way to create high-quality connections.

Banana connectors feature a metal contact, such as gold-plated brass. The connector comes with a plastic housing available in a wide range of colours, such as red, black, green and yellow. We offer a variety of banana connectors such as banana plugs, banana sockets and banana couplers.

Types of Banana Connector:

  • Banana plugs are small cylindrical plugs that have a very distinctive bulged prong. This bulge houses a spring that, when inserted into a socket, presses outwards to ensure a solid and secure connection. The plug takes its name from the shape of this prong, which reminds many people of a straightened out banana.
    Banana plugs are the alternative to using bare wire when connecting your speakers to your surround receiver, you can connect them with no screwdriver Banana plugs give you a permanent and high-quality connection. The term banana plug or banana jack refers to the 4mm version. The 3mm and 2mm variations are both called “mini-bananas”, but they cannot be used interchangeably. Banana plugs and jacks also come in different safety variations. You can find out more in our complete guide to banana plugs
  • Banana sockets are the female connector. A banana connector (commonly banana plug for the male, banana socket or banana jack for the female) is a single-wire (one conductor) electrical connector used for joining wires to equipment.
  • Banana couplers allow you to extend an existing wire or when you’re running a new installation, they help to join two pieces of wire. Work by connecting two banana plugs into a sleeve that connects both ends to provide a secure and high performance connection.

Shrouded vs. Unshrouded Banana Plugs

Banana test plugs may be shrouded, unshrounded or with a retractable. Unshrouded banana plugs are a common type. Using a shrouded banana plug is essential when working with high-voltage circuits. The shrouding provides a protective cover to prevent accidental contact.


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Description Price Colour Gender Termination Method Voltage Rating Current Rating Contact Plating Spring Contact Length Contact Material Type Connector Size Insulation Material Priced to Clear For Use With
RS Stock No. 714-8225
Mfr. Part No.BU-31603-2
£2.27
Each (In a Pack of 5)
Units
Red Female Press Fit 1000V 15A Nickel - - Brass Banana Socket - Dupont 101L - -
RS Stock No. 888-4632
Mfr. Part No.BU-P3690-0
£1.889
Each (In a Pack of 10)
Units
Black Male - - 5A - - - Beryllium Copper Banana Plug - Nylon - -
RS Stock No. 714-8168
Mfr. Part No.BU-00246-2
£1.61
Each
Units
Red Male - - 15A Nickel Yes 26mm Brass, Phosphor Bronze Banana Plug - ABS - -
RS Stock No. 714-8159
Mfr. Part No.BU-00243-2
£2.67
Each
Units
Red Male - - 15A Nickel - 40.4mm Brass, Phosphor Bronze Banana Plug - ABS - -
RS Stock No. 714-8140
Mfr. Part No.BU-00243-0
£2.21
Each
Units
Black Male - - 15A Nickel Yes 28mm Brass, Phosphor Bronze Banana Plug - ABS - -
RS Stock No. 888-3715
Mfr. Part No.BU-00226-2
£2.276
Each (In a Pack of 10)
Units
Red Male 8-32 Thread 1000V 15A Nickel Yes 42.13mm Phosphor Copper (Spring) Banana Plug - ABS - -
RS Stock No. 888-4770
Mfr. Part No.BU-P72918
£1.344
Each (In a Pack of 10)
Units
- Male M3 Stud 5000V 36A Nickel - 15mm Brass Banana Plug 4 mm - - -
RS Stock No. 714-8165
Mfr. Part No.BU-00246-0
£1.61
Each
Units
Black Male - - 15A Nickel Yes 26mm Brass, Phosphor Bronze Banana Plug - ABS - -
RS Stock No. 888-4137
Mfr. Part No.BU-32614-2
£5.31
Each
Units
Red Male Solder 1000V 20A - - - Beryllium Copper, Brass Banana Plug - Nylon - -
RS Stock No. 888-4594
Mfr. Part No.BU-P2854-2
£3.095
Each (In a Pack of 10)
Units
Red Female Solder 2000V dc 15A Gold - 30.99mm Brass Banana Socket 4 mm Nylon - -
RS Stock No. 888-3730
Mfr. Part No.BU-00249-0
£1.77
Each (In a Pack of 10)
Units
Black Male Screw - 15A Nickel Yes 43mm Phosphor Bronze (Spring) Banana Plug - ABS - -
RS Stock No. 888-4083
Mfr. Part No.BU-31607-2
£6.14
Each
Units
Red Female Stud 1000 V, 600V 35A Nickel - 39mm Brass Banana Socket 4 mm ABS, Nylon - -
RS Stock No. 888-4635
Mfr. Part No.BU-P3690-2
£1.889
Each (In a Pack of 10)
Units
Red Male - - 5A - - - Beryllium Copper Banana Plug - Nylon - -
RS Stock No. 888-4089
Mfr. Part No.BU-31607-0
£5.96
Each
Units
Black Female Stud 1000 V, 600V 35A Nickel - 39mm Brass Banana Socket 4 mm ABS, Nylon - -
RS Stock No. 888-4755
Mfr. Part No.BU-P5169-2
£2.47
Each
Units
Red Male Crimp, Solder 5000V dc 15A Nickel - 38.1mm Brass Banana Plug - PVC - -
RS Stock No. 714-8156
Mfr. Part No.BU-00244-2
£2.12
Each
Units
Red Male - - 15A Nickel Yes 29mm Brass, Phosphor Bronze Banana Plug - ABS - -
RS Stock No. 888-4531
Mfr. Part No.BU-P2142-0
£9.03
Each (In a Pack of 10)
Units
Black Female - - 5A - - - Brass Banana Socket - Nylon - -
RS Stock No. 888-3733
Mfr. Part No.BU-00249-2
£1.864
Each (In a Pack of 10)
Units
Red Male Screw - 15A Nickel Yes 43mm Phosphor Bronze (Spring) Banana Plug - ABS - -
RS Stock No. 888-4522
Mfr. Part No.BU-P1825-2
£2.092
Each (In a Pack of 10)
Units
Red Male - 5000V 15A Nickel - 39.36mm Beryllium Copper Banana Plug - PP - -
RS Stock No. 888-4676
Mfr. Part No.BU-P4115
£22.086
Each (In a Pack of 10)
Units
- - - - - - - - Brass Test Connector 2mm - - -