What does Type TC-ER mean?
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.
What does ER mean on tray cable?
exposed run
ER stands for “exposed run.” It is a rating that sometimes follows the UL Type TC (Tray Cable), ITC (Instrumentation Tray Cable), or PLTC (Power-Limited Tray Cable) classifications.

Is tray cable direct burial?
XPTC tray cable is used as power and control cables in dry and wet locations and can be installed in cable trays, raceways, and open air. It is weather and exposure resistant and is suitable for use in direct burial, and for class 1, Division 2 hazardous locations.
Where Type TC-ER cable is used to connect a generator and associated equipment having terminals rated?
Type TC-ER cable used as interior wiring shall be installed per the requirements of Part II of Article 334. Exception: Where used to connect a generator and associated equipment having terminals rated 75°C (140°F) or higher, the cable shall not be limited in ampacity by 334.80 or 340.80. Informational Note No.
What is difference between TC and TC er cable?
TC-ER reads as an exposed run tray cable. It is the subtype of the TC cable that is allowed to run free between the cable trays for an average distance of six feet. TC-ER rating means that the cable is subjected to the most rigorous crash and impact requirements than the standard TC cable.

What is TC cable used for?
TC cables are rated for 600 volts and can be used in industrial power or control circuits, where flame retardant cables are desired. Allowed installations include cable trays, raceways, and outdoor locations where supported by a messenger wire.
What are the six 6 main types of cable tray?
Cable trays are made of either steel, aluminium or fibber reinforced plastic (FRP) and are available in six basic types,
- Ladder Type Cable Tray.
- Solid Bottom Cable Tray.
- Trough Cable Tray.
- Channel Cable Tray.
- Wire Mesh Cable Tray.
- Single Rail Cable Tray.
What is CT rated cable?
CT Rated-THHN-THWN. APPLICATION: Used as power lighting and control wiring. Primarily used Cable Tray System because of their superior flame retardant characteristics.