Description
Heavy-Duty Male 4mm Banana Plug – Green
Product Overview
The Male 4mm Banana Plug is a premium-grade solderless cable termination connector designed to establish rapid, high-integrity connections with standard 4mm female bench jacks and binding posts. Featuring a heavy-duty, multi-slotted spring contact basket, this male plug expands slightly upon insertion to deliver uniform contact pressure and ultra-low electrical resistance.
Housed within a rigid, fully insulated green protective sleeve, it is the globally recognized standard for assembling dedicated earth grounds, protective grounding leads, or frame-bonding connections in technical workshops and laboratories.
Key Features
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Multi-Contact Spring Basket: Equipped with a high-flexibility lantern-style spring that ensures maximum surface contact area and prevents accidental slip-outs.
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Easy Solderless Assembly: Features a robust side-screw or rear-screw clamping mechanism, allowing quick, secure wire termination using only a small screwdriver—no soldering iron required.
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Stackable Design Option: Built with a hollow rear pass-through socket, enabling other 4mm banana plugs to stack directly into the back for simple parallel circuit expansion or shared ground references.
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Visual Earth/Ground Identification: Solid green insulated housing provides immediate, unambiguous visual organization for protective earth (PE), chassis ground, or reference shield lines.
Technical Specifications
| Parameter | Specification |
| Connector Type | Male Banana Plug (Pin / Boot) |
| Color | Green (Earth Ground / Protective Ground) |
| Plug Diameter | 4.0 mm Standard |
| Termination Style | Screw-Clamp (Solderless) or Solder-Well |
| Wiring Capacity | Accepts up to 10 AWG to 18 AWG standard wire |
| Material (Conductor) | Nickel-Plated Brass or Beryllium Copper Spring |
| Material (Insulation) | High-Insulation ABS / PVC Outer Boot |
| Current Rating | 15A – 20A Max (Dependent on wire gauge) |
| Contact Resistance | $\le 3\text{ m}\Omega$ |
Applications
The go-to connection standard for quick-releasing high-current or test-signal lines:
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Dedicated Earth Grounding: Assembling safe chassis-to-earth bonding leads for laboratory power supplies, testing benches, and sensitive measurement rigs.
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Custom Patch Cables: Creating safety grounding jumpers, shielded instrumentation lines, and diagnostic test harnesses.
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Educational Training Rigs: Facilitating swift, repeatable wiring setups and clear protective ground tracking in electrical engineering classrooms.
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Acoustic & Shielding Systems: Terminating dedicated drain and grounding wires for sensitive high-fidelity audio gear to eliminate mains hum and noise loops.
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