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Ningbo Biaoda Electric Co., Ltd.

About Us

Electrical Appliance Manufacturer

Ningbo Biaoda Electric Co., Ltd. is China Power Plug Adaptor Manufacturers and custom Power Plug Adaptor factory specializing in producing Electric Main Products, such as adaptors, power strips, plugs, sockets, extension cords, cable reels and so on.

In addition, we have set up R/D department that specially engages in developing new products. Our products, especially the AC general connector series, can be widely used in PC, electronic product, electric appliances and dynamic tools. In order to supply first-class products for our customers, we have introduced advanced equipments.

We Serve Our Clients With the Our Capacity


  • 2005


  • 20+

    Industry Experience

  • 10000

    Plant Area

  • 200


Coming From China
Marketing To The World

International system certification, effectively consolidate the competitiveness of the enterprise.

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Industry Knowledge Expansion

What is the difference between power plug adapters and voltage converters/transformers?

Power plug adapters and voltage converters/transformers are both electrical accessories used when dealing with international travel or using devices in regions with different electrical systems. However, they serve different purposes and address distinct aspects of electrical compatibility. Here's the difference between power plug adapters and voltage converters/transformers:
Purpose: Power plug adapters are used to physically adapt the shape and configuration of an electrical plug so that it can fit into a different type of power outlet. They do not change the voltage or frequency of the electricity.
Function: Power plug adapters simply provide the mechanical compatibility needed to connect a device's plug to a foreign power outlet. They ensure a secure physical connection, allowing the device to draw power from the local electrical system.
Use Case: Power plug adapters are necessary when the shape of the plug on your device does not match the shape of the power outlet in the country you're visiting.
Examples: If you have a device with a US-style plug (Type A or Type B) and you're traveling to Europe where Type C and Type F outlets are used, you would need a power plug adapter to convert the plug shape.
Voltage Converters/Transformers:
Purpose: Voltage converters (also known as voltage transformers) are used to modify the voltage of the electrical supply to match the requirements of a specific device. They are used when the voltage of the destination country's electrical system is different from the voltage your device is designed to handle.
Function: Voltage converters can step up (increase) or step down (decrease) the voltage level. They help ensure that devices designed for one voltage can safely operate in an area with a different voltage.
Use Case: Voltage converters are necessary when the voltage of the local electrical system is not compatible with the voltage specifications of your devices. For example, if you have a device designed for 110-120V and you're traveling to a region with 220-240V, you would need a voltage converter to safely power the device.
Examples: Voltage converters are commonly used for appliances like hair dryers, curling irons, and certain electronics that are sensitive to voltage variations.
In summary, power plug adapters address physical compatibility by allowing a device's plug to fit into a foreign outlet, while voltage converters/transformers address electrical compatibility by modifying the voltage level to match the device's requirements. It's important to use these accessories correctly to ensure the safe and proper operation of your devices when traveling or using them in regions with different electrical systems.

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