What is power and control tray cable?

Power and control tray cable is most often used in petrochemical refineries, industrial control systems, intercom systems, traffic controls relay, power extensions and other high-power functions. With this type of cable, the same tray cable can be used for both power and control.

Does tray cable need to be in conduit?

Tray cables also pass stringent impact and crush tests per UL 1569 and do not require the use of conduit.

What is a Pltc cable?

PLTC is an acronym for Power Limited Tray Cable. This cable type is approved for use in NEC Article 725 and carries UL (Underwriters Laborotories) approval for use in cable trays. Per UL Subject 13 – PLTC Cable is rated 105ºC, 300 Volts, but is not so marked.

Can tray cable be run exposed?

NEC Requirements – Summary Exposed runs are permitted only in industrial establishments where the conditions of maintenance and supervision ensure that qualified persons service the installation. The exposed run must be between a cable tray and equipment, such as a motor.

Can tray cable be directly buried?

XLP/XPTC tray cable can be installed in free air, in raceways, or direct burial. It can be used in rough environments hence approved for wet or dry locations as well as Class 1 Division 2 hazardous locations.

Can tray cable be used in residential?

In the 2017 National Electrical Code®, a new allowance for tray cable was added for one- and two-family dwellings in Section 336.10(9). Tray cable with both power and control conductors is permitted to be used (without being installed in cable tray) in these occupancies.

Where is Pltc cable used?

Applications for PLTC include burglar alarms, business machines, power-limited circuits, intercom systems and cash registers. It can also be used in petrochemical refineries, mass transit and other industrial control systems. Its most common application, however, is in utility substations.

What is ITC cable?

Type ITC instrumentation tray cable is a factory assembly of two or more 300V insulated copper conductors, Nos. 22 through 12 AWG, with or without grounding conductor(s), and enclosed in a nonmetallic sheath with or without an armor as defined by NEC Article 727.

What is TC-er tray cable?

TC-ER cable refers to exposed run or ER-rated tray cable. TC-ER cables are out in the open instead of being buried underground where they are protected from wear and tear.