Removes grease, dirt, oil, printing ink, tar, grime, adhesive, and resins from Energized Electrical Equipment. Will not harm most metals and painted surfaces. Electric motors and generators may be cleaned while in use, when used in properly ventilated areas. Energized Equipment use only. Not to be used for motorized vehicle maintenance, or their parts. Air compressors – alternators – generators– electric motors – power tools and other electrical equipment. NOTE: Do not use this spray on plastics