The BU-PMDP-S is a solderless, stackable dual banana plug with an internal shorting bar. Banana plugs are electrically shorted. For version without shorting bar, see BU-PMDP-0.
The BU-P1825 is a solderless, stackable 4mm banana plug. Useful for applications where solder or crimp connections cannot be used or where temporary wire connection is desired.