Stray voltage

Name(s): 
Stray voltage in animal housing
Nature

Stray voltage is the occurrence of electrical potential between two objects that ideally should not have any voltage difference between them. Small voltages often exist between two grounded objects in separate locations, due to normal current flow in the power system. Contact voltage is a better defined term when large voltage appear as a result of a fault. Contact voltage on the enclosure of electrical equipment can appear due to a fault in the electrical power system, such as a failure of insulation.

Source: Wikipedia

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Type 
(E) Emanations of other problems