Take a look for free application to learn electrical engineering, house electrical wiring diagram Free electricity courses to learn the basics of electricity and cable color code for ethernet
This application had many information about :
electrical installation
lighting wire diagram
electrical circuit
circuit diagram and symbols
electrical schematic
house wiring
step how to wire a lighting switch
cable color code chart
usa cable color coding
uk wire color code
canadian cable color code
australian cable color code
europian color code
wire color coding
rj45 color code
ethernet wiring diagram
ethernet cable color code and standard cable color code chart
Crossover cable color code wire diagram
straight cable color code circuit diagram
Basic Electrical engineering wiring diagram