When it comes to using benchtop electronics equipment, there are several connectors that are used.
BNC Connector
Male BNC plug
Female BNC jack
BNC jacks are found on the benchtop function generators and oscilloscopes
Banana Connector
Male BNC plug
Female BNC jack
Banana jacks can be found on the benchtop multimeters and DC power supplies
Some plugs have a shroud which can only be inserted into jacks that have a cutout for it
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