Recommended · for beginners
Ground Neutral and Hot wires explained - electrical engineering grounding ground fault
Why people recommend it
Suggested for explaining what ground means from first principles, including how an earth conductor protects people when a live wire touches an appliance's metal case.
Watch for: suits those new to grounding concepts
In their words
For this definition as well as #5 and #6, watch this video, this video and this video.
alejnavab on electronics.stackexchange.com, Sept 2021. CC BY-SA.