I hate to step in this one,,,
unforetally yes i did see few conductors got damaged by male termal adpator espcally after hard pull i did nick few of them [ugh !! ]
but the code required the bushing on the male adpator it been like that way for pretty long time i was not sure when it was enforeced.
I think it was debated before related with mobile home service hook up and kinda pretty common to get red flagged from this one if not carefull with bushing
Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)