Features Provide Backup Power: Our power input box supports up to 10AWG cables. The perfect companion to the generator storage power cord, providing and maintaining continuous backup power to the generator, especially in the event of power shortages. Power On Indicator: Green power on indicator on the lid that illuminates when plugged in and power connection is initiated. This power input box is conspicuous when working, especially at night or in dark areas. Water and Dust Resistant: Aluminum body resists UV degradation, impact, abrasion, and chemical damage in all scenarios. Foam sealed structure to prevent power failure caused by storms, bringing convenience to your life. 4 Ways to Connect: 1.2in drill holes positioned in 4 areas, left, right, bottom and back, allowing direct connection in multiple directions to transfer switches and electrical panels. Wide Range of Applications: Generator power input box can be used for RV, trailer power, any 50A 125 or 250V outdoor power outlet, safe and universal. Specification: Item Type: Power Input Box Material: Aluminum alloy Voltage: AC125V, AC250V Maximum Current: 50A Maximum Power: 12,500W Plug Type: For NEMA SS2 50P or for CS6375 Cabinet Type: For NEMA 3R Maximum Wire Diameter: 10AWG 1.2 Inch Drilling Position: Left, Right, Bottom, Rear Package List: 1 x Power Inlet Box Package List 1 x Power Inlet Box