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Power and Grounding Problems and Solutions
Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.
Electrical power is rarely supplied as a smooth wave of steady energy. You can see this when lights flicker or when the TV goes haywire while running a blender. Electrical connections are polluted with surges and spikes (collectively called noise). You can think of these surges and spikes as shotgun blasts of energy to delicate electrical components. Here's how computer equipment may handle transient energy:
Improper grounding is also often a source of problems. In fact, surge suppressors are often a cause of grounding problems because many devices route surges to ground. The surges then find their way back into the electrical system, where they cause problems elsewhere.
This topic continues in "The Encyclopedia of Networking and Telecommunications" with a discussion of the following:
Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.