The National Electrical Manufacturers Association (NEMA) has produced a brochure, Guidelines for Handling Water-Damaged Electrical Equipment, for use by suppliers, installers, inspectors, and users of electrical products to provide advice on the safe handling of electrical equipment that has been exposed to water. The NEMA brochure may be downloaded free of charge on the National Electrical Manufacturers Association website.
Yes—they still apply. Do not use electrical appliances that have been wet until they have been examined by a qualified service repair dealer. Water can damage the motors in electrical appliances, such as furnaces, freezers, refrigerators, washing machines, and dryers.