The term "101" signifies an introductory course. In the context of electrical wiring, a 101 PDF is not intended to cover the wiring of a nuclear submarine. Instead, it focuses on the :
Disclaimer: This article is for informational purposes only. Electrical work is dangerous and governed by local codes (NEC, CEC, etc.). Always consult a licensed electrician and obtain permits before performing electrical installations. 101 electrical wiring diagram pdf
The wires (typically copper) that carry the current. These are color-coded: Black/Red (Hot), White (Neutral), and Green/Bare (Ground). The term "101" signifies an introductory course