These will sometimes have an earth ground. Product links at bottom of page.
Product Links:
Power Entry Connectors - Inlets, Outlets, Modules
Power, Line Cables and Extension Cords
Power Entry Connectors - Inlets, Outlets, Modules
References:
https://www.deltapsu.com/en/products/download/Datasheet/MDS-030AAC05
https://www.xppower.com/portals/0/pdfs/SF_VER18.pdf
Summary
power plug
receptacles
power cord
electrical plug
high voltage
power supply
connector
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