Testing Your Cable IQ

Type _____ cable is a factory assembly of insulated conductors under a nonmetallic sheath for installation in cable trays or raceways.

a) NM
b) TC
c) SE
d) UF

See answer and applicable Code reference

The correct answer is: b) TC

Do you know the allowable cable types for this type of installation? Article 336 covers the use, installation, and construction specifications for power and control tray cable (Type TC). This type of cable consists of "a factory assembly of two or more insulated conductors, with or without associated bare or covered grounding conductors, under a nonmetallic jacket."


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