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
RS Stock No. 454-334
Mfr. Part No.1701122-04/RS
£1.824
Each (In a Pack of 5)
Units
Red Male - 50V 16A Nickel Yes - Brass Banana Plug - PE -
RS Stock No. 424-3201
Mfr. Part No.FK15S RED
£2.71
Each
Units
Red Male Screw 30 V ac, 60V dc 16A Nickel Yes 44mm Brass Banana Plug - PE -
RS Stock No. 424-3217
Mfr. Part No.FK15S BLK
£2.71
Each
Units
Black Male Screw 30 V ac, 60V dc 16A Nickel Yes 44mm Brass Banana Plug - PE -
RS Stock No. 753-1643
Mfr. Part No.ESD 6554 / SW
£4.64
Each
Units
Black Female Tab - 5A Nickel Yes 38.9mm Brass Test Connector 4 mm Polyamide -
RS Stock No. 454-340
Mfr. Part No.1701122-01/RS
£1.824
Each (In a Pack of 5)
Units
Black Male - 50V 16A Nickel Yes - Brass Banana Plug - PE -
RS Stock No. 753-1652
Mfr. Part No.ESD 6554 / RT
£4.64
Each
Units
Red Female Tab - 5A Nickel Yes 38.9mm Brass Test Connector 4 mm Polyamide -
RS Stock No. 753-1633
Mfr. Part No.SEB 6445 NI / RT
£2.70
Each
Units
Red Female Screw 1000V 32A Nickel Yes 31.8mm - Banana Socket 4 mm Polyamide -
RS Stock No. 424-3245
Mfr. Part No.FK15S GREEN
£2.71
Each
Units
Green Male Screw 30 V ac, 60V dc 16A Nickel Yes 44mm Brass Banana Plug - PE -
RS Stock No. 424-3223
Mfr. Part No.FK15S BLUE
£2.66
Each
Units
Blue Male Screw 30 V ac, 60V dc 16A Nickel Yes 44mm Brass Banana Plug - PE -
RS Stock No. 424-3239
Mfr. Part No.FK15S YELLOW
£2.66
Each
Units
Yellow Male Screw 30 V ac, 60V dc 16A Nickel Yes 44mm Brass Banana Plug - PE -
RS Stock No. 753-1655
Mfr. Part No.ESD 6554 / BL
£4.64
Each
Units
Blue Female Tab - 5A Nickel Yes 38.9mm Brass Test Connector 4 mm Polyamide -
RS Stock No. 226-3023
Mfr. Part No.DK799 RED
£10.48
Each
Units
Red Male Tab 30 V ac, 60V dc 16A Nickel Yes - Brass Banana Plug - - -
RS Stock No. 424-3318
Mfr. Part No.IBU401 RED
£2.37
Each
Units
Red Female Screw 30 V ac, 60V dc 32A Nickel Yes 23mm Brass Banana Socket 4 mm Nylon -
RS Stock No. 753-1630
Mfr. Part No.SEB 6445 NI / SW
£2.94
Each
Units
Black Female Screw 1000V 32A Nickel Yes 31.8mm - Banana Socket 4 mm Polyamide -
RS Stock No. 424-3324
Mfr. Part No.IBU401 BLK
£2.37
Each
Units
Black Female Solder 30 V ac, 60V dc 32A Nickel Yes 23mm Brass Banana Socket 4 mm Nylon -
RS Stock No. 454-362
Mfr. Part No.1701122-05/RS
£1.874
Each (In a Pack of 5)
Units
Green Male - 50V 16A Nickel Yes - Brass Banana Plug - PE -
RS Stock No. 454-378
Mfr. Part No.1701122-02/RS
£1.672
Each (In a Pack of 5)
Units
White Male - 50V 16A Nickel Yes - Brass Banana Plug - PE -
RS Stock No. 122-2784
Mfr. Part No.BU 403 Ni / RT
£1.138
Each (In a Bag of 5)
Units
Red Female - 33 V ac, 70V dc 32A Nickel - 23mm - Banana Socket 4 mm Nylon -
RS Stock No. 753-1665
Mfr. Part No.SDK 502 / RT
£7.72
Each
Units
Red Male - 30 V ac, 60V dc 16A Nickel - 47mm - Banana Plug - Nylon -
RS Stock No. 454-384
Mfr. Part No.1701122-06/RS
£1.824
Each (In a Pack of 5)
Units
Yellow Male - 50V 16A Nickel Yes - Brass Banana Plug - PE -