The Enclosure Waterproof Laboratory of CCTEG Xi'an Research Institute (Group) Co., Ltd. has drip test device, swing pipe rain test device, large-flow flushing test device and pressurized immersion test device, which can complete all enclosure waterproof tests from IP X1 to IP X8 in GB/T 4208-2017 Degrees of Protection Provided by Enclosure (IP Code). The dripping area of the device is 1000 mm×1000 mm, the radius of the swing pipe is 200 mm~1000 mm, the flushing flow rate is 100 (1±5%) L/min, and the simulated water depth range is 1 m ~ 50 m.