System Specifications
Grounding
Chapter 1
14
Grounding
The site building shall provide a safety ground or protective earth for each AC service entrance to all cabinets.
Install a PE (protective earthing) conductor that is identical in size, insulation material, and thickness to the
branch-circuit supply conductors. The PE conductor must be green with yellow stripes. The earthing
conductor is to be connected from the unit to the building installation earth or, if supplied by a separately
derived system, at the supply transformer or motor-generator set grounding point.
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