Enamel - Glass-Yarn Insulated Rectangular Wire is enamelled, covered with glass yarn, and then impregnated with epoxy. Chandra Proteco Ltd is an ISO 9001-2008, 14001-2004 and 18001-2007 awarded company that manufactures Enamel - Glass-Yarn Insulated Rectangular Wire. The other products manufactured by Chandra Proteco Ltd. Include cast rods and Copper flats. Enamel - Glass-Yarn Insulated Rectangular Wire s used mostly in dry transformers, generators, and traction motors, designed for high thermal and mechanical loads at high operation voltages.