Yes, hospital grade receptacles are allowed to be installed in cut-in gem boxes secured to drywall.According to the National Electrical Code (NEC), hospital-grade receptacles must be installed in patient care areas of healthcare facilities. Cut-in gem boxes are an acceptable mounting method for hospital-grade receptacles, provided that the gem box is securely fastened to the drywall. The NEC requires that the receptacle be mounted with a listed faceplate and that the mounting screws be tightened to the manufacturer's specifications. Flag for review