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CPSC has secured the removal of hazardous male-to-male extension cord listings from major e-commerce platforms, including Walmart, eBay and AliExpress, and is warning consumers to stop using these products immediately. cpsc.gov/Newsroom/New...

cpsc.govCPSC Warns Consumers to Stop Using Male-to-Male Extension Cords, Secures Delisting Commitments from e-Commerce PlatformsCPSC Warns Consumers to Stop Using Male-to-Male Extension Cords, Secures Delisting Commitments from e-Commerce Platforms

Most likely an electrician. At the lab where I work, there are test machines that use the mini twist-lock NEMA plugs for Auxiliary Outputs, but the output is a "dry contact" (no power supplied by the machine, in essence just an on/off switch that relies on the Auxiliary device for r power)...

And the connection on the test machine is a female socket. So the Auxiliary machine has power coming out of a male plug, easily shouted against another pin, to damage equipment if it's plugged into the wrong place, or shock a hapless worker who touches it.