Read this article for an explanation of cable safety standards

Read this article on how to install electricity indoors

Read this article to learn how to
connect a thermostat cable

Read here how to make a
custom Ethernet cable yourself

Here you can read about the max number of wires in an installation tube

Read this article to learn how to install a dimmer

Here you can read when you need which network cable (UTP)

Read here about how important the
core thickness of electricity cables is

​Read this article to learn how to install and connect Perilex

Read here which IP protection you
need and... what is it anyway?