Use a couple of wraps of plumbers teflon tape over the IEC end before inserting to tighten the connection.
ozzy
ozzy
Lousy IEC Connections
Supporting the cable does NOT "obviate" anything. Unless your rig is laying around in the floor collecting dust, never touched. An actual solution would be for some genius to invent a locking plug that accepts 8-12 awg wire. https://www.amazon.com/Rewireable-IEC320-C13-Accidental-Unplugging-Disconnections/dp/B01DCFVXKK/ref=... |