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What are binding posts? The working principle and purpose of terminal posts.

Binding posts are threaded electrical terminals, often found on test equipment, speakers, and amplifiers, that allow for secure and versatile connections of wires or test leads. They can accept various connectors like banana plugs, alligator clips, or bare wires.

Dual Binding Post Terminal – Amplifier, Speaker, Power Cable Connector – Banana Jack Socket – Length 2.3 inch

6 Emparelhamento do alto-falante Post Post Banana Pluck Socket Connector de 4 mm de soquete de banana.

Red Black Blue Green Yellow 4mm Test Terminal Binding Post Socket Connector

Here’s a more detailed explanation:
Purpose:
Binding posts provide a convenient and reliable way to make temporary or semi-permanent connections between electronic devices or circuits.
Common Applications:
Test Equipment: Used for connecting test leads to instruments.
Audio Equipment: Found on speakers, receivers, and amplifiers for connecting speaker wires.
High-Voltage Equipment: Used for making connections in high-voltage test setups.
Types:
“5-way” or “Universal” Posts: Allow for multiple types of connections, including banana plugs, pin connectors, and bare wire.
Single and Dual Posts: Single posts offer a single connection point, while dual posts provide two connection points.
Insulated Binding Posts: Feature insulation to prevent accidental short circuits.
Construction:
A typical binding post consists of a threaded stem with a hole for accepting a conductor, one or more molded nuts, and an insulated cap.
Caps are often color-coded (red for positive, black for negative, green for ground).
How to Connect:
Unscrew the cap to expose the threaded stem.
Insert the wire or connector into the hole or around the stem.
Tighten the cap to secure the connection.
Binding posts can be regarded as a typical wiring tool, their main function is to connect wires of different uses, specifications and materials. Because wires need to be split, continued, and transferred, binding posts are indispensable.
A binding post is a type of terminal used to connect electrical wires. Usually made of insulating materials such as plastic and ceramic, it contains metal screws or springs inside to clamp the wires. It connects different wires to each other and provides convenient wiring.

In addition to being used in household circuits, binding posts are also widely used in electrical equipment in various fields, such as mechanical equipment, electronic equipment, lighting equipment, etc..

4mm Banana Socket Binding Post Nut Banana Plug Jack Connector Red And Black

50A 6mm Screw Type Brass Speaker Binding Post Adapter Connector – Binding Post, Speaker Binding Post

Loudspeaker Components Speaker Cabinet Accessories Binding Posts & Plates

Working principle of terminal posts
The terminal clamps the wires through metal screws or spring pieces, allowing the current to be transmitted from one wire to another through the terminal, and in the process solves the problems of shunting, continuation, and transfer of the circuit.When installing and using binding posts, first make sure the power is turned off, then insert the wires to be connected into the corresponding binding post holes, and finally tighten the screws to clamp the wires.

3. terminal posts application
As a widely used electrical component, terminals have different applications in different fields:
3.1 Home circuit
In household circuit installation and maintenance, terminal posts are often used for shunting, grounding, connecting wires of different specifications, etc.. Por exemplo, connect multiple lamps and sockets to the main line with binding posts.

3.2 Mechanical equipment
In mechanical equipment, binding posts are often used to connect motors to switches or sensors to controllers.

3.3 Electronic equipment
In electronic equipment, binding posts are used to connect wires between circuit boards, or to connect external signal lines and power lines, etc..

3.4 Lighting equipment
In lighting equipment, binding posts are used to connect wires between the inside and outside of the lamp to achieve power distribution, installation and debugging.

Terminal Posts type specifications:
Or it refers to the posts on ammeters, voltmeters, resistance meters, batteries, etc.. used to connect wires.
The DC ammeter has three binding posts.
Por exemplo: there are two types of terminals: “+” and “-“, (+,-0.6UM,-3UM) or (-,0.6UM,3UM)
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