A surge or spike is a sharp increase in voltage of short duration. These power-quality phenomena are among the most likely to cause physical damage.
Elevators--Photocopiers--Air conditioners--Motors of just about any sort. When they cycle on and off, they create momentary dips and surges in power. Other sources include lightning and utility switching operations. No matter how it's generated, a voltage spike can wreak havoc on sensitive electronic equipment.
The common solution is the use of surge suppressors. When a surge comes in, they harmlessly divert the surge current to ground. Well, almost.
The solution can be part of the problem. It has been found that spot placement of surge suppressors can actually increase the incidence of electrical problems.
If the equipment is not properly grounded when a surge suppressor shunts a surge to ground, it elevates the ground potential. The differences in ground voltages can create electrical currents to flow in the ground circuit, which can damage non-protected devices.
Therefore, if one device on a circuit is protected by a surge suppressor, they all should be protected.
PHONE: (678) 546-6780 FAX: (678) 546-6782
5044 B U Bowman Drive #102
Buford, Georgia 30518
PHONE: (678) 546-6780
Last Updated: 07 Jun 2004
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