Looking to make your own test leads, then consider the RS PRO 4 mm male banana plug. This plug is the ideal solution for making test leads to your specification. Upon inspection, the plug connector offers high-grade plastic insulation with a centre contact made from nickel-plated brass with a beryllium copper lantern-style spring contact. It accepts test lead cables with a 4 mm dia. and is suitable for any standard 4 mm insulated or non-insulated socket.
Why would you need the banana plugs?
There are many variations 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.
How do you make a banana plug test lead?
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.
