Description
Heavy-Duty Male 4mm Banana Plug – Blue
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 blue protective sleeve, it is the perfect choice for color-coding secondary voltage lines, alternative phase routes, or specialized communication rails in complex wiring configurations.
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.
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Visual Identification: Solid blue insulated housing provides immediate visual differentiation for multi-channel test systems, specific DC rails, or auxiliary lines in your test environment.
Technical Specifications
| Parameter | Specification |
| Connector Type | Male Banana Plug (Pin / Boot) |
| Color | Blue (Auxiliary / Phase / Reference Rail) |
| 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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Multi-Output Power Benches: Connecting variable DC auxiliary outputs securely to electronic project enclosures or breadboard workstations.
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Educational Training Rigs: Facilitating swift, repeatable wiring setups and clear multi-line phase identification in engineering classrooms.
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Automotive Diagnostics: Fabricating rugged test leads for automotive electrical troubleshooting and sensory logic monitoring.
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