I'd be surprised if they don't do it properly. The output side should be a female connection and the wall port should be male. It should really be a locking con

I'd be surprised if they don't do it properly. The output side should be a female connection and the wall port should be male. It should really be a locking connector as well. That's the main safety mistake here. The risk to linemen is also significant, but its a separate issue.