3 Wire Usb Cable

Updated September 20, 2026

Overview

Product sourcing insights & recommendations

26 来源

The phrase "3 wire USB cable" primarily refers to a specialized wiring configuration used for Power Delivery (PD) and dedicated charging, rather than standard data transfer. While typical USB 2.0 cables use four wires (VCC, GND, D+, D-), 3-wire setups are common in high-wattage USB-C power adapters where the third wire acts as a Configuration Channel (CC) for power negotiation Leadsdirect Stackexchange.

Product Insights & Technical Logic

* Wiring Configuration: A 3-wire USB-C cable typically consists of Vbus (Power), GND (Ground), and CC1 (Configuration Channel) Stackexchange. The CC1 wire is essential for the "handshake" between a charger and a device to enable fast charging at voltages above 5V (e.g., 20V for laptops) Intelmarketresearch Bwoohk.

* Data vs. Power: These cables are strictly charging-only or power-delivery focused. Since data transfer requires a differential pair (Data+ and Data-), a 3-wire cable cannot be used for file transfers Leadsdirect Quora.

* DIY & Repair Market: There is a significant niche for 3-wire pigtail cables and breakout boards used by hobbyists for repairing laptop chargers or DIY electronics projects Stackexchange Alibaba.

Market Trends (2025–2031)

* Standardization Shift: The global USB cable market is expected to reach $69.9 billion by 2031, driven by the EU's common charging port mandate and the rapid adoption of USB-C across smartphones and laptops Alliedmarketresearch Markwideresearch.

* Power over Data: High-wattage Power Delivery (PD 3.1) is becoming a dominant market driver, with 240W-capable cables (supporting EPR) seeing increased demand for gaming laptops and portable workstations Intelmarketresearch Bwoohk.

* Sustainability & Durability: Consumer preferences are shifting toward braided, long-lasting, and eco-friendly cables (projected to be a $1.57 billion niche by 2026), moving away from disposable, low-quality bundled accessories Marketresearchfuture Bwoohk.

* Regional Dominance: The Asia-Pacific region, particularly Shenzhen, China, remains the largest production hub, manufacturing approximately 60% of the world's USB-C cables Intelmarketresearch Researchandmarkets.

Comparison Table: USB Wiring Types

Type	Composition	Main Function	Use Case
3-Wire	Vbus, GND, CC	Power Delivery (PD)	Laptop chargers, power bricks Stackexchange
4-Wire	Vbus, GND, D+, D-	Standard Data + Power	USB-A to C, legacy chargers Reddit
5-Wire	Vbus, GND, D+, D-, CC	Full USB 2.0 C-to-C	Standard mobile charging/sync Reddit

Detailed product listings for 3-wire pigtails and specialized power cables are provided in the files below.

Explore the technical specifications and market data for 3-wire USB cables. You can continue with:

Sources & References

26 sources cited · Verified industry data & reports

USB Wiring

Leads Direct

The data wires are 28 AWG, the power wires are 20 to 28 AWG. The power cores are un-twisted and the data lines twisted. Longer cables will use 20 AWG for power.

3 Wire Usb C Wiring Diagram

Find and save ideas about 3 wire usb c wiring diagram on. Usb cable wiring diagram, Basic Electronic Circuits. How to use a usb to type c cable

USB-C Connector wiring 3 wires [closed]

Electrical Engineering Stack Exchange

Closed. This question is off-topic. It is not currently accepting answers. Questions seeking recommendations for specific products or places ...

Ultimate Guide to USB Cables by StarTech.com

RS Components

The chart will show you what each USB cable connection looks like, helping you identify what male plug or female receptacle you require.

USB 3 Pinout (Type A and Type B). Signals and wire colors

AGG Software

USB 3 Pins. Pin, Name, Direction, Color, Description. 1, VBUS, red, +5 V power. 2, D-, ←→, white, USB 2.0 Data -. 3, D+, ←→, green, USB 2.0 Data +. 4, GND ...

Universal Serial Bus Type-C Cable and Connector ...

USB-IF

USB Type-C® cable. Figure B-3 Connection State Diagram: 3-10 USB Full-Featured Type-C Standard Cable Assembly Wiring. Wire USB Type-C Plug