Tray and instrumentation cables are most commonly used for the transmission of signals and energy while simultaneously rejecting external interference. For hazardous environments, many. 1X Technologies Tray cable & Instrumentation Cable are multi-conductor and multi-pair control, signal and power cables as defined by the National Electrical Code (NEC) approval for installation in cable trays or raceways. Our most popular types are Equivalents to Belden Tray Cable, Equals to Belden. Sycor Technology distributes an extensive product line of versatile tray and instrumentation cables. Shielding protects the signal from electrostatic noise and cross talk. Rated for Class 1, Div 2 hazardous locations.