Looking to make your own test leads, then RS PRO has the perfect addition in the 4 mm banana plug. This socket is the ideal solution for making test leads to your specification. Upon inspection, the connector offers high-grade ABS plastic insulation with a centre contact made from nickel-plated brass with a screw termination method. It interconnects test lead cables with a 4 mm diameter and is suitable for any standard 4 mm insulated or non-insulated plug.

There are many types of banana plug connectors so it’s important to have a variety of cable leads of various lengths especially if you frequently use multi-meters, voltage meters, or oscilloscopes. The most cost-effective way is to make your own, that way you can set up your workstation or benchtop to be more productive. Banana sockets are electrical connectors used to join wires to equipment and can be found in a variety of applications such as
Electrical and Electronic servicing
Automotive
Maintenance
Test equipment
Audio Leads

Terminating the plug connector is very straight forward, the centre contact has an aperture for the cable wire to be soldered. Once soldered assemble all the plug elements back together now your test lead is ready for use.

RS Pro is our family brand to go-to and brings you a wide range of high-quality and high-value products to support your project. Trusted by engineers all over the world, every part of every RS PRO product is always rigorously tested against demanding industry standards. We are only giving the RS PRO seal of approval if we're confident of their exceptional quality, which means you can be convinced too.