4mm Banana Plug Binding Post (Red & Black Pair)

The 4mm Banana Plug Binding Post (Red & Black Pair) is a high-quality electrical connector designed for versatile use in electronic and audio applications. Commonly used in test equipment, power supplies, speaker systems, and DIY electronic projects, these binding posts offer a reliable and secure connection for 4mm banana plugs, spade terminals, or bare wires.

Each binding post is color-coded — red for positive and black for negative — ensuring correct polarity identification during installation. The core contact material is made from gold-plated brass, providing excellent conductivity and corrosion resistance. The outer body is constructed from durable ABS or nylon plastic, offering electrical insulation and mechanical strength.

These posts are designed for panel mounting and come equipped with a nut and washer for secure attachment to enclosures or equipment panels. The threaded shaft typically supports M4 or M5 size, suitable for various electrical applications. They are rated for currents ranging from 15A to 30A and can handle voltage levels between 30V to 1000V DC, depending on the insulation quality.

Whether you’re setting up a lab bench, building a custom speaker box, or creating a power distribution board, these 4mm Banana Plug Binding Posts provide a simple, efficient, and safe connectivity solution.