NEC Prep Master Exam

the same in either service - Answer- Given: Two separate services are identical in voltage and amps, except one serves only motor loads, and one serves only lighting loads. In the event of a short circuit, in those services, the available shot circuit current will be: the grounded and ungrounded conductors - Answer- The ground fault circuit protection for personnel works on the principle of measuring unbalanced current between: to provide a high resistance to ground in the event of a ground fault - Answer- For what reason are the equipment grounding conductors provided? size and impedance of the service transformer - Answer- The amount of available fault current at the service depends upon the: nominal voltage (110.4) - Answer- Throughout the Code, the voltage considered shall be that at which the circuit operates and the voltage rating of the electrical equipment shall not be less than the___________ of a circuit to which it is connected. environment (300.6) - Answer- To prevent corrosion, raceways, cable trays, cablebus, auxiliary gutters, cable armor, boxes, cable sheathing, cabinets, elbows, couplings, fittings, supports, and support hardware shall be of materials suitable for the _________ in which they are to be installed. 6 AWG, 8AWG (230.202) - Answer- Service-entrance conductors tp buildings or enclosure shall be installed shall not be smaller than ________ AWG unless in multiconductor cable. Multiconductor cable shall not be smaller than _______ AWG. angle (348.42) - Answer- __________ connectors may not be concealed. 1) no dwelling unit is supplied by more than one feeder 2) each dwelling unit is equipped with electric cooking equipment (220.84(A)) - Answer- It shall be permissible to calculate the load of a feeder or services that supplies three or more dwelling units of a multifamily dwelling in accordance with Table 220.94 instead of Part III of this article if all ___________ is (are) met. Chapter 3, 310.120 (B) Marking, Method of Marking, Surface marking - Answer- What chapter and article would you find? :"The following conductors shall be durably marked on the surface. The AWG size and circular mils shall be repeated at intervals not exceeding 24in. All other markings shall be repeated at intervals not exceeding 40in." Ch. 2, Art. 250, Part VI Equipment Grounding and Equipment grounding conductor Specific equipment fastened in place - Answer- Cite the chapter, and part.