A separately derived system is a premises wiring system with no direct electrical connection to conductors originating from another system [Art. 100 definition and 250.20(D)]. All transformers, except ...
This article is the fourth in a 12-part series on the differences between grounding and bonding. Where more than one alternating-current system connects to a grounding electrode at a building, the ...
The author is national program manager for Copper Development Association Inc. Proper grounding and bonding in radio and television stations are vital to improving uptime, equipment life and ...
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