White Paper: Isolation - Your Best Investment for Reliability

Feb. 17, 2009
What is isolation? What causes voltage surges and how can you protect your equipment? Find the answers to these questions and more.

In 1999 the Science department at NASA conducted a study on lightning, ground voltage, and structural impact. A building in North Carolina, located within 45 meters of a 42-meter water tower was used in the study. Within a 5-month period, five separate lightning discharges occurred in the area.

While the building itself was never directly struck, it did absorb a high degree of the ground voltage that was discharged from the near-by strikes. The result was “deaths of two trees, a fire in electrical equipment, complete destruction of all phone wiring, and severe damage to electrical fixtures.” (NASA, Science Dept, “Human Voltage”, June 18, 1999)

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