1. The only exception to the need for all information technology equipment to be satisfactorily grounded is where the equipment is A. DC powered. B. backup generator powered. C. double-insulated. D. isolated equipment.
1. The only exception to the need for all information technology equipment to be satisfactorily grounded is where the equipment is
A. DC powered.
B. backup generator powered. C. double-insulated.
D. isolated equipment.
2. Which section of the National Electrical Code lists sizing requirements for wire-type equipment grounding conductors?
A. 250.66 B. 250.118 C. 250.4 D. 250.122
3. Which of the following statements about grounding electrical equipment is true?
A. If no wire-type equipment grounding conductors are present with the branch circuits, the equipment grounding terminal bar
isn't required.
B. Grounding electrical equipment increases the possibility of metal parts remaining energized.
C. The nonmetal parts of some electrical equipment are required to be connected to an equipment grounding conductor. D. Equipment grounding conductors can be spliced together outside of a grounded metal box.
4. Which of the following is a condition that must be met in order to qualify for the exemption from grounding requirements?
A. The installation is in contact with ground and other conductive material. B. The runs are in lengths more than 25 feet long.
C. The circuits contain an equipment grounding conductor.
D. The installation is guarded from contact by people.
5. When isolated/insulated equipment grounding conductors (EGCs) are installed with the branch circuit, how many EGC paths are there?
A. Three B. Four C. Two
D. One
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