Dual Stackable Banana Plug, Shorting Test Plug AdapterOverview:Internally Shorted Plug Mates With Standard Dual Binding Posts on 3/4 Inch Centers.Used for Grounding or Shorting Input / Output Connections.Can be Stacked for Additional Current Rating.Black Molded ABS Body, Nickel Plated Beryllium Copper SpringsInline MountCurrent Rating: 15 AmpImage Shows Front and Back of PlugSold IndividuallyH H Smith1516-103