HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8536904000 | Doc | 55.0% | CN | US | 2025-05-12 |
8548000000 | Doc | 55.0% | CN | US | 2025-05-12 |
3926908500 | Doc | 44.0% | CN | US | 2025-05-12 |
3926904000 | Doc | 32.8% | CN | US | 2025-05-12 |
Wiring Terminals
Wiring terminals are components used to connect electrical wires to a device, creating a secure and reliable electrical connection. They facilitate the termination of wires without requiring direct soldering or complex connection methods.
Materials
Wiring terminals are commonly manufactured from the following materials:
- Brass: Offers good conductivity and corrosion resistance, frequently used in screw terminals.
- Phosphor Bronze: Provides excellent spring properties and conductivity, often found in quick-connect terminals.
- Steel (with plating): Used for cost-effective options; typically plated with tin, nickel, or zinc for corrosion protection.
- Copper: Offers superior conductivity but is more expensive; used in high-current applications.
- Plastic/Nylon (for insulation): Used as the body of the terminal to provide electrical isolation and mechanical support.
Purpose
The primary purpose of wiring terminals is to:
- Establish Electrical Connections: Securely connect wires to devices like circuit boards, switches, sensors, and power supplies.
- Simplify Wiring: Provide a faster and more convenient method of connecting and disconnecting wires compared to direct soldering.
- Improve Reliability: Offer a stable and long-lasting connection, reducing the risk of loose connections and electrical failures.
- Facilitate Maintenance: Allow for easy disconnection and reconnection of wires for troubleshooting, repairs, or modifications.
- Provide Strain Relief: Some terminal types offer mechanical support to prevent stress on the wire connections.
Function
Wiring terminals function by:
- Mechanical Clamping: Most terminals use a clamping mechanism (screw, spring, or insulation displacement) to firmly hold the wire in place.
- Electrical Conductivity: The terminal material provides a low-resistance path for electrical current to flow between the wire and the device.
- Insulation: The terminal body provides electrical isolation between the connected wire and other components.
- Polarity Indication (sometimes): Some terminals include markings to indicate polarity (positive or negative) to ensure correct connections.
Usage Scenarios
Wiring terminals are used in a wide range of applications, including:
- Electronics: Connecting wires to printed circuit boards (PCBs), sensors, and components.
- Automotive: Connecting wires in vehicle electrical systems.
- Industrial Control: Connecting wires in control panels, machinery, and equipment.
- Power Distribution: Connecting wires in electrical panels, junction boxes, and power supplies.
- Home Appliances: Connecting wires in appliances, lighting fixtures, and electrical devices.
- Telecommunications: Connecting wires in communication equipment and networking devices.
Common Types
- Screw Terminals: Utilize screws to clamp the wire in place. Common for field wiring and connecting larger gauge wires. Available in various configurations (e.g., PCB mount, barrier strip, pluggable).
- Quick Connect Terminals (also known as Faston Terminals): Feature a spring-loaded contact that grips the wire when inserted. Used for repetitive connections and disconnections.
- Insulation Displacement Connectors (IDCs): Cut through the wire insulation and make contact with the conductor. Commonly used for ribbon cables and flat wire connections.
- Crimp Terminals: Deformed around the wire using a crimping tool to create a secure connection. Often used with quick connect terminals.
- Push-In Terminals: Accept stripped wires by simply pushing them into a hole. Offer fast and tool-less connections.
- Pluggable Terminals (also known as Eurostyle Terminals): Feature a modular design that allows for easy connection and disconnection of pre-wired circuits.
- Solder Terminals: Designed to be soldered onto a PCB or other conductive surface. Offer a permanent connection.
- Ring Terminals/Fork Terminals: Used to connect wires to studs or screws. Commonly used in automotive and power applications.
Wiring terminals fall under the category of electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits.
Here are the relevant HS codes based on the provided reference material:
-
8536904000: This HS code covers electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, relays, fuses, surge suppressors, plugs, sockets, lamp-holders and other connectors, junction boxes), for a voltage not exceeding 1,000 V; connectors for optical fibers, optical fiber bundles or cables: Other apparatus: Terminals, electrical splices and electrical couplings; wafer probers.
- 85: Electrical machinery and equipment.
- 36: Switchgear, relays, fuses, circuit breakers and other electrical switchgear apparatus.
- 90: Other electrical switchgear apparatus.
- 40: Terminals, electrical splices and electrical couplings; wafer probers.
- The current tax rate is a base tariff of 0.0%, an additional tariff of 25.0%, and a 30% additional tariff after April 2, 2025, resulting in a total tariff of 55.0%.
-
8548000000: This HS code covers electrical parts of machinery or apparatus, not specified or included elsewhere in this chapter.
- 85: Electrical machinery and equipment.
- 48: Electrical parts of machinery or apparatus.
- 00: Not specified or included elsewhere in this chapter.
- The current tax rate is a base tariff of 0.0%, an additional tariff of 25.0%, and a 30% additional tariff after April 2, 2025, resulting in a total tariff of 55.0%.
Please note that the applicable tariff for both HS codes is currently 55.0%, comprised of a 0.0% base tariff and a 25.0% additional tariff, increasing to 30% after April 2, 2025. It is important to determine the precise function and application of the wiring terminals to ensure correct classification.