Senin, 12 Januari 2009

Grounding


Why Ground?
Proper grounding provides a safe path for electricity to safely move from a defective outlet, fixture, appliance or tool back into the earth, which happens to be a very good electrical conductor. Homes are grounded by either the use of ground electrodes (ground rods) or by ground plates. Another grounding option sometimes used is the home's cold water supply pipe, providing that it is copper and is continuous to the water main. (Check local authority and code rules.).more...

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