Rainproof enclosure is great for RVs, motor homes and campers Design allows cord to be used even when outlet door is closed Safe and easy DIY installation Model#: CESMPS13HR Sku#: 1000500355 Internet#: 100669968 Perfect for the RV Owner that stores a motor home, camper, travel trailer or pop-up trailer and wants electricity close by, especially for a heater that will help prevent moisture and mildew from forming. Safe and easy to install for the do-it-yourselfer because it is factory wired and completely assembled. The unique cover design allows the cord to be used when the door is closed. TT-30R NEMA receptacle is 3 wire, rated at 30-Amp 125-Volt Hub provision is provided for use with Siemens HR-style hubs NEMA 3R rainproof enclosure has a lockable latch and the unique design allows the cord to be used with the door closed Lugs are suitable for either aluminum or copper wire