Open Screw Banana Plugs
Design Features:
- Side entry hole for wire insertion
- Visible screw mechanism
- Partially exposed wire connection point
Advantages:
- Superior versatility: Accommodates thicker gauge speaker wire (12-16 AWG)
- Multiple wire capability: Can accept multiple strands or wire bundles
- Piggybacking function: Allows additional connections while terminating bare wire
- Easier inspection: Connection quality can be visually verified
- Simpler modification: Connections can be adjusted without complete disassembly
Closed Screw Banana Plugs
Design Features:
- End-only wire entry
- Concealed internal connection
- Seamless exterior housing
Advantages:
- Cleaner aesthetics: No visible wire strands or connection points
- Enhanced safety: Reduced risk of short circuits between adjacent terminals
- Better protection: Wire strands fully contained within the housing
- Dust resistance: Internal components shielded from environmental elements
- Professional appearance: More polished look for visible installations
Selection Considerations
When choosing between these connector types, consider:
- Wire gauge requirements (thicker wire favors open design)
- Installation environment (exposed installations benefit from closed design)
- Need for multiple connections (piggybacking capability of open design)
- Safety requirements (closed design offers better protection against shorts)
- Visual preferences (closed design provides a cleaner appearance)
Both types provide reliable connections when properly installed. The choice primarily depends on specific application requirements and personal preference.