There are circumstances when a plug and receptacle configuration can be used above the normal limit of 80% of their rating. We received some manufacturer's literature on commercial cooking equipment ...

A NEMA hospital grade plug is available in the following configurations: NEMA 5-15P rated at 15A at 125V; NEMA 6-15P rated at 15A at 250V; NEMA 5-20P rated at 20A at 125V; and ...