Generac 30 Amp Power Inlet Box, 125/250V, Aluminum, Nema L14-30 With Spring-Loaded Flip Lid On FrontProduct Description The Generac 6346 30 Amp 125 250 Volt Rain tight Power Inlet Box installs on the exterior of your house or building and is hard wired to your transfer switch. Use a power inlet box when you need to plug in your generator outdoors to connect to a transfer switch indoors. This power inlet box is made of NEMA 3R rated corrosion resistant aluminum which provides long life, can be painted and has a spring loaded flip lid cover. During a