Which of the following is not a true statement regarding the requirement for grounding of equipment? a. When within 8ft(2.5 m) vertically or 5ft(1.5 m) horizontally of ground or grounded metal objects and subject to contact by persons b. When in a hazardous (classified) location as covered by Articles 500 through 517 c. When supplied by a metal-clad, metal-sheathed, metal-raceway, or other wiring method that provides an equipment ground d. When equipment operates with any terminal at over 50 volts to ground 2. Specific requirements for grounding luminaires are located in which of the following NEC sections? a. 250.112( J) b. 250.122 c. 410.42 d. 600.7 3. When a submersible pump is used in a metal well casing, the well casing is required to be bonded to a. the pump circuit equipment grounding conductor. b. the pump circuit equipment grounding conductor only if the water pipe is nonmetallic. c. the grounding electrode conductor. d. the metal water pipe from the pump to the building.