NEMA 4X Approved flexible coated stainless steel conduit can be used for protecting electronic and electrical wires and cable. Suitable for corrosive and wet environments, including pumps, motors, HVAC systems, machine tools, electrical housings and cabinetry. Good absorption of. eserve the right to make technical changes or modify the contents of his doc-ument without prior notice. With regard to purchase orders, the agreed particulars shall prevail. Unlike rigid conduit, which has smooth walls and requires precise bending or multiple fittings, corrugated conduit bends easily around corners, obstacles, and. MicroTechnology is a term given to smaller conduits and fiber used in Inside and Outside Plant Construction (ISP and OSP). Today, MicroCables range from 6 to 432-fiber. Get 30 days to pay with Net 30 Terms. Plenum-Gard is a low-smoke, low-flame propagation, nonmetallic flexible corrugated raceway for use in the efficient cable management of plenum cable (optical fiber or communication) in plenum areas. Plenum-Gard provides cable identification in the industry standard, datacom orange (other colors. The National Electrical Manufacturers Association (NEMA) Standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus Standards development process.