Static Earthing Interlock System

Static Earthing Interlock System

Isolated conductive metal objects like railcars, LACT units, skids and IBCs that come into contact with electrostatically charged liquids can accumulate high levels of electrostatic charge.

If an ungrounded object is allowed to accumulate electrostatic charges, the voltage present on the object rises dramatically in a very short space of time. Because the object is at a high voltage, it is seeking to find ways of discharging this excess energy and the most efficient way of doing this is to discharge the excess charge in the form of a spark.

Grounded objects that are in close proximity to charged objects are potential targets for electrostatic discharges.

If the transfer system is not grounded, the electrostatic voltage of objects like railcars can build up to hazardous levels in a short time period.

 

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