Glossary
Leakage current
What is Leakage current?
A small, operational current flow across insulation or filters that occurs even without a defect. It is not the same as a fault current, but is detected by the same devices.
What matters about Leakage current in practice?
Devices with mains filters — chargers, inverters, electronics — each have a small leakage current. Several of them add up, and at some point the residual current device trips although no device is defective.
Troubleshooting is then a process of elimination: switch loads on one by one and watch when it trips. The remedy is usually to split them across several residual current devices.
Related terms
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