Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

P.I.O / Plug and socket


Traditional plug and socket are aligned multi-point use, which makes us encounter many obstacles when used in everyday life.
With traditional plug and socket aligned compared to PIO only one hole can work, we can be more convenient and efficient use of energy, and the PIO with higher security, avoid contact harm children. It may also encourage people to save energy, just gently twist it, you can reduce standby power waste.


Zhongyuan University of Technology

Zhongyuan University of Technology
Zhengzhou Xinzheng City, Henan Province, China

Zhiwei Qin,
Zhongyuan University of Technology