Latest / Deep End Era. Engineering with Sankalp
The Path Home: IEC 60364, Earthing Systems, Shock Protection and Cable Sizing
A contractor at the Al Sahil Gas Complex feels a tingle from a steel handrail near a temporary site cabin. Nobody is hurt, but Hana Qureshi, the plant's new graduate electrical engineer, is given the job of finding out why, guided by Khalid Mansoori. The trail leads from the handrail to a missing connection, to the letters TN and TT, and to the most important equation in low-voltage engineering.
Chapters
00:00:00 A tingle on the handrail
00:02:59 What current does to a body
00:05:50 Basic protection and fault protection
00:07:51 TN, TT and IT
00:10:57 TN: the fast loop
00:13:48 TT: the slow…
The skinny
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