Test Cable - TOOGOO(R) 2 Pair Alligator Test Lead Clip to Male Banana Plug Cord Cable 1M Red+Black Banana Plug to Alligator Clip Test Lead cable can be used in electrical or laboratory electric testing work. Banana Plug to Alligator Clip Test Lead cables are frequently used in school physics laboratories to quickly and cheaply assemble circuits. They are useful for connecting components to wires. They are good useful for connecting components or others to wires. Easy for installation and safety for use with the insulation plastic boots covered. Connect the banana plug clamp to ground, then take the probe to test circuit.