Description
Heavy-Duty Male 4mm Banana Plug – Red
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 red protective sleeve, it is the globally recognized standard for assembling positive (+) power lines, VCC inputs, or hot signal lines 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 positive reference lines.
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Visual Line Identification: Solid red insulated housing provides immediate, unambiguous visual organization for positive (+), power rail inputs, or hot signal lines.
Technical Specifications
| Parameter | Specification |
| Connector Type | Male Banana Plug (Pin / Boot) |
| Color | Red (Positive / VCC / Live) |
| 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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Custom Patch Cables: Assembling tailor-made multimeter test probes, laboratory jumper wires, and multi-rail diagnostic testing harnesses.
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Benchtop Power Supplies: Connecting variable DC positive outputs securely to electronic project enclosures or breadboard workstations.
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Educational Training Rigs: Facilitating swift, repeatable wiring setups and clear power rail tracking in electrical engineering classrooms.
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High-Power Links: Fabricating rugged distribution links for high-wattage battery chargers, linear power systems, and custom battery packs.
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