The 1894 is a BNC Female to single banana Plug Adapter. Banana plug spring is nickel-plated beryllium copper and BNC spring is gold-plated beryllium copper for low contact resistance and long insertion life, brass body, black ABS insulation.
Adapts banana jack test instruments for BNC cable assemblies
30VAC/60VDC Maximum handheld testing voltage
500VRMS Maximum hands free testing in controlled voltage environments