Inquiry (采购产品): Buildings and Construction Hi, I am interested in knowing what are the "design differences" between IP54 and amp; IP55 motors? What are the additional protections provided in IP55 motor and how they are achieved? Your response will help us better understand while purchasing motors. Thank You Manoj. mcthakka@bechtel.com **** Hidden Message ***** Manoj Thakkar, Bechtel Corporation, 5275 Westview Dr., Frederick, MD-21703, 301-228-8603, 240-379-2396, Country:United States **** Hidden Message ***** mcthakka@bechtel.com