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Bench power supply with 2 pin mains plug?......output common is connected to neutral?

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treez

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If a Bench power supply is connected to the mains with a 2 pin mains plug, does that mean that the output common must be connected to the neutral?

...(because neutral and ground are connected usually at the inlet to the installation/building)
 

Safety regulations permit common neutral/earth wire (PEN) only for large wiring cross-sections >= 10 mm². PEN in wall outlet wiring has been abandoned about 50 years ago.
 
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Thanks, that means that my KERT power supply (KAT5VD) with its 2 pin plug, must have a totally isolated output?
 

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