NEC Journeyman Test Prep questions with correct answers

For electrically operated in - sink waste disposers, what is the minimum and maximum length allowed for electrical cable? - Answer 18 inches- 36 inches. 422.16 (B)(1)(2) Rigid metal conduit must be securely fastened within how many feet of junction box? - Answer 3 feet. 344.30 (A) *See exceptions In a health care location where flammable anesthetics are employed, the entire area shall be considered to be a Class 1 Division 1 location that extends upward to a level of how many feet above the floor? - Answer 5 feet. 517.60 (A)(1) Surge arrestors are grounded at the arrestor grounding terminal and the arrestor grounding conductor is ran in a metal enclosure. The grounding conductor must be bonded on which end of the enclosure? - Answer Both ends of enclosure. 280.25 Single throw knife switches shall be mounted so gravity will not do what to the circuit? - Answer Close. 404.6 (A) Where direct buried conductors or cables emerge from the ground, they shall be protected by enclosures or raceways. In no case shall protection be required how many inches below finished grade? - Answer 18 inc