Considering installing an RV outlet for EV charging? There are important points to consider. 1) Avoid "residential-grade" models, as shown here, based on the distance between the housing and faceplate mounting screws. These have a 2-1/8" diameter housing. "Industrial-grade" receptacles have a 2-1/2" housing, so clearance between housing and screws is less. 2) Hubbell makes an industrial-grade receptacle suitable for EV charging. The model number is 9450A. The same receptacle is sold at a lower price under another Hubbell brand, Bryant, as model 9450FR. Both 9450A and 9450FR are made in the same US factory with the same high-quality materials. The only difference is branding. There is no reason to buy the more expensive 9450A over the 9450FR. 3) Hubbell and Bryant also sell a residential-grade NEMA 14-50 receptacle. The model number is RR450F. I've heard people brag about having a Hubbell receptacle, only to find out it was a residential-grade model that's not suitable for EV charging. 4) I recommend purchasing supplies like this from reputable sellers such as Grainger. The risk of receiving counterfeit receptacles from sellers like Amazon or eBay is too high. 5) There are no regulations for "EV-rated" receptacles. The green EV logo is a recent addition that some manufacturers print on receptacles they market as suitable for EV charging. Sometimes they are right, sometimes wrong, but nothing prevents anyone from including this logo on any receptacle. It is strictly voluntary and unregulated. For best results, wall-mount a dedicated EV charger with proper wiring and breakers.