Choosing the right tray cable type — TC, TC-ER, VNTC, PLTC, or ITC — depends on the voltage class, environment, and NEC® article governing your installation. This guide covers every major tray cable type, their construction, ratings, and the applications where each one. Many cable tray rated cables include a crush and impact test as part of the listing and are rated as exposure rated (ER). It is the standard wiring method for industrial plants, commercial buildings, and utility installations where cable trays provide accessible. The answer is affirmative, provided that the correct type of tray cable is selected. It is essential to recognize that not all tray cables possess the same characteristics, and their ability to withstand direct sunlight hinges on several factors, including the materials used, their ratings and the. According to the NEC (National Electric Code), tray cable is defined as “a factory assembly of two or more insulated conductors, with or without associated bare or covered grounding conductors under a nonmetallic sheath, for installation in cable trays, in raceways, or where supported by a. Not all tray cables are created equal. What's inside and outside the cable matters just as much as where it's going. To many buyers, tray cable might seem like a single product: a black-jacketed, multiconductor cable used in industrial control systems.