OutletBox

This is an adapter for computer power cord to outlet. Personally, I use it in my classroom when we have desk computer but no outlet. Can be used for doing extension.

To do thids thing, you need :

Outlet and plate :
https://www.amazon.ca/Bestten-In-Wall-chargeur/dp/B07BNB4ZNV/ref=sr_1_43?__mk_fr_CA=%C3%85M%C3%85%C5%BD%C3%95%C3%91&keywords=outlet&qid=1564333518&s=gateway&sr=8-43

IEC320 plug :
https://www.amazon.ca/gp/product/B01C8CRIKM/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1

Wire AWG 18 or bigger.

Enjoy ;)

Note :
I am not responsible for any problem related to this concept. Take care to do good wellding. A bad wellding can cause fire or damage.