He starts out right away with a falsehood: "the grounding or earthing system creates a safe path for the current to flow into the ground if the phase or neutral wire touches the casing of electrical equipment." The author of this video clearly doesn't understand electrical theory.Please point out some errors for me to forward on. Its an international aid agency not a electrical company so I wasnt surprised. Please keep it respectful.
I didnt produce the video.
Most systems Ive seen in the field are TNC-S or TNS.