Belden is a leading manufacturer of high-quality and cost-effective fiber optic cable systems . They've been developing these for over 50 years [3]. Their fiber optic cables are designed for a variety of applications, including data centers, premise and campus network backbone infrastructures, fiber-to-the-desk (FTTD), and horizontal and centralized cabling systems Belden offers a wide variety of indoor and outdoor fiber optic cable products, including: Tight buffer and loose tube designs . Armored, burial, and ruggedized designs for harsh industrial environments . Cables for OM1, OM3, OM4, OM5, and OS2 (Singlemode) applications Their fiber optic cable products are third-party tested by either ETL or UL and approved for use according to the National Electric Code