Does the iPower have mains leakage or is it ground shunted?

Generally speaking, no. It has around 22 times less leakage than a typical SMPS using a similar platform, due to the use of shielding inside the transformer to dramatically reduce the need for the so-called “Y” capacitor.

However, some mains leakage will remain, due to a combination of regulatory requirements on electrical safety and EMC. The mains leakage may be shunted to earth using the “GroundHog” accessory with any SMPS designed as double insulated (no earth), including but not limited to, the iPower.

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