Educated Design & Development, Inc. (ED&D) is a leading manufacturer of test equipment for product safety applications. Whether you are testing to CSA, UL, VDE, IEC or other requirements, ED&D is the worlds best source.......Educated Design & Development, Inc. (ED&D) is a leading manufacturer of test equipment for product safety applications. Whether you are testing to CSA, UL, VDE, IEC or other requirements, ED&D is the worlds best source. Ed&D is the only company in the world that can provide you with everything you need for Product Safety testing applications. We offer a full line of test equipment, from Hipot testers to Accessibility Probes, to Humidity Chambers and Force Gauges, down to thermocouples and cheesecloth. Whatever the requirements your particular standard call for, we can provide the highest quality equipment available. If product quality is the perspective you are most interested in exploring, our on-staff engineers are the most highly qualified in the industry. Our product designers know safety inside and out. Most of our designers have garnered their vast knowledge from working for the regulatory agencies, such as UL and ETL, and in some instances they even helped write the Standards!