Profile: Echo Electric Supply Of Des Moines Iowa, Inc. is a wholesaler of electrical supplies. Our product line includes electric motors, generators, industrial and home automation products. Our I-BEAM™ system featuring T5HO cool Running™ technology combines high ambient operation with the reliability, energy efficiency and lighting quality of fluorescent lighting. The fluorescent lighting has long been the benchmark for delivering reliable and efficient lighting in commercial spaces. Our HoffmanType I pull box perforated panel is designed for use in a standard type 1 screw cover pull box. It provides a fast and easy means to mount electrical equipment. The Type 1 pull box perforated panel is ideal for mounting components that require infrequent access such as control transformers, terminals, and contactors.