Electrical apparatus box and air conditioner thereof

The utility model discloses an electrical apparatus box and air conditioner thereof, it includes the box body, the sealing washer, the sealing washer supporting part is in with the setting the lid ofbox body top, the sealing washer supporting part circularizes the setting and is in the periphery of box body, sealed snare is established on the box body and the centre gripping be in the sealing washer supporting part with between the lid, be provided with the first mounting screw hole of a plurality of on the lid, be provided with a plurality of erection column on the sealing washer supportingpart, be provided with on the erection column with first mounting screw hole matched with second mounting screw hole. The lid with the box body uses the screw connection, the sealing washer will the lid with seal in gap between the box body, avoids the lid with unfinishedly totally enclosed between the box body lead to entering such as refrigerant or water in the box body, both guaranteed the leakproofness of electrical ap