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
RS Stock No. 103-7637
BrandRS PRO
MYR13.753
Each (In a Pack of 10)
units
Red Male Solder 50V 10A Nickel Yes - Stainless Steel Banana Plug 4 mm -
RS Stock No. 423-223
BrandRS PRO
MYR12.996
Each (In a Pack of 5)
units
Green Female Solder 50V dc 16A Nickel - 52.9mm Brass Test Connector 4 mm POM
RS Stock No. 423-201
BrandRS PRO
MYR13.67
Each (In a Pack of 5)
units
Black Female Solder 50V dc 16A Nickel - 52.9mm Brass Test Connector 4 mm POM
RS Stock No. 423-239
BrandRS PRO
MYR13.728
Each (In a Pack of 5)
units
Red Female Solder 50V dc 16A Nickel - 52.9mm Brass Test Connector 4 mm POM
RS Stock No. 465-621
BrandRS PRO
MYR16.828
Each (In a Pack of 5)
units
Red Male Solder 1000V 10A Nickel Yes - Brass Banana Plug 4 mm Polyamide
RS Stock No. 465-615
BrandRS PRO
MYR16.828
Each (In a Pack of 5)
units
Black Male Solder 1000V 10A Nickel Yes - Brass Banana Plug 4 mm Polyamide
RS Stock No. 261-5064
BrandRS PRO
MYR2.044
Each (In a Bag of 10)
units
Red/Black - - - - - - 4mm - Banana Plug - -
RS Stock No. 454-277
BrandRS PRO
MYR17.686
Each (In a Pack of 5)
units
Red Male Solder 1000V 10A Tin - - Brass Banana Plug 4 mm PP
RS Stock No. 423-245
BrandRS PRO
MYR15.542
Each (In a Pack of 5)
units
Yellow Female Solder 50V dc 16A Nickel - 52.9mm Brass Test Connector 4 mm POM
RS Stock No. 423-251
BrandRS PRO
MYR9.22
Each (In a Pack of 5)
units
White Female Solder 50V dc 16A Nickel - 52.9mm Brass Test Connector 4 mm POM
RS Stock No. 454-283
BrandRS PRO
MYR21.724
Each (In a Pack of 5)
units
Black Male Solder 1000V 10A Tin - - Brass Banana Plug 4 mm PP
RS Stock No. 454-306
BrandRS PRO
MYR17.938
Each (In a Pack of 5)
units
Green Male Solder 1000V 10A Tin - - Brass Banana Plug 4 mm PP
RS Stock No. 454-328
BrandRS PRO
MYR21.324
Each (In a Pack of 5)
units
Yellow Male Solder 1000V 10A Tin - - Brass Banana Plug 4 mm PP
RS Stock No. 180-6644
BrandRS PRO
MYR13.43
Each
units
Red Female Solder 50V 10A Silver Plated - 28.5mm Brass Banana Plug - Polypropylene
RS Stock No. 103-7621
BrandRS PRO
MYR17.462
Each (In a Pack of 10)
units
Black Male Solder 50V 10A Nickel Yes - Stainless Steel Banana Plug 4 mm -
RS Stock No. 180-6648
BrandRS PRO
MYR15.37
Each
units
Red Male Screw 50V 16A Bright Nickel Over Copper - 60mm Brass Banana Plug - PVC
RS Stock No. 180-6641
BrandRS PRO
MYR6.20
Each
units
Black Male Solder 50V 10A Silver Plated - 43.8mm Brass Banana Plug - Acetal
RS Stock No. 102-9210
BrandRS PRO
MYR38.778
Each (In a Pack of 10)
units
Black Female Solder - 5A Silver - 10.46mm Copper Aluminium Alloy Test Connector 2mm Nylon
New
RS Stock No. 212-1229
BrandRS PRO
MYR5.202
Each (In a Pack of 10)
units
White Female Solder 50V 10A Silver - - Brass Banana Socket - Polypropylene
New
RS Stock No. 212-1244
BrandRS PRO
MYR4.947
Each (In a Pack of 10)
units
Blue Female Solder 50V 10A Silver - - Brass Banana Socket - Polypropylene