Sample Course

Question 3 of 9

NEC 300- Underground Raceways

Revised for the the 2008 NEC, 300.5(B) now contains  language defining the inside of all raceways and enclosures installed underground as a wet location.

This change also requires all insulated conductors within those underground raceways and enclosures to comply with the wet location requirements of 310.8(C).