One of the most fundamental concepts to understand before attempting any DIY home electrical work is the difference between a live wire and a neutral wire.
Electircal Wire Colors: The Basics
What happens if the live wire is not connected to the neutral wire? - Quora
Household Electric Circuits
electrical - 2 White Neutral Wires But Need Only One - Home Improvement Stack Exchange
What is a short Circuit? - Richmond Home Inspector
Live, neutral, earth, plugs, fuses and circuit breakers, mains electricity explained: fizzics.org
Types Of Electricity Connections - Single Phase, Three Phase Connection.
Live Wire: Long-Winded Short Stories by Kelly Ripa, live wire
Alternating Current, live and neutral wires
Be Safe by Knowing the Wiring Color Codes - USESI