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The distance between sockets on an extension cord is fixed, but with plugs on your appliances all come in different shapes and forms, some larger plugs may take up two socket spaces, and that limits the extension cords use.
Turn sockets uses hexagon as the primary shape design, and it allows users to turn the plugs to resolve the problem of interfere between different socket spec.
Ming Chi University of Technology
Taipei City, Taoyuan County, Taiwan
Bade City, Taoyuan County, Taiwan