How to Wire a 30-amp RV Plug | It Still Runs The 30-amp RV plug is a three-pronged male cable end. The plug is American National Standards Institute (ANSI) stock, designated TT-30P. It is manufactured and used specifically for all types of recreational vehicles (RVs). The 30-amp RV plug is colloquially known as an RV-30. It has two angled flat blades, and one Related searches for 50 amp male plug wire diagram 50 amp plug male wiring30 amp plug wiring diagram50 amp male generator plug50 amp plugs and connectors50 amp male plug end50 amp female plug50 amp camper plug wiring50 amp plug types