Exam (elaborations)
NEC Article 220 Branch-Circuit, Feeder, And Service Load: Q’s And A’s (100% Correct)
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NEC Article 220 Branch-Circuit, Feeder, And Service Load: Q’s And A’s (100% Correct)
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NEC Article 220 Branch-Circuit, Feeder, And ServiceLoad: Q’s And A’s (100% Correct)
Article 220 provides requirements for Right Ans - calculating branch-
circuit, feeder, and service loads.
Unless other voltages are specified, for purposes of calculating branch-circuit
and feeder loads, what voltages should be used? Right Ans - nominal
system voltages of 120, 120/240, 208Y/120, 240, 347, 480Y/277, 480,
600Y/347, and 600 volts shall be used.
Calculations shall be permitted to be rounded to the nearest BLANK ampere
Right Ans - Whole
The floor area for each floor for purpose of lighting load shall be calculated
from BLANK and it shall not include BLANK Right Ans - the outside
dimensions; open porches, garages, or unused or unfinished spaces not
adaptable for future use.
What is Table 220.12 used for Right Ans - General Lighting Loads by
Occupancy
(B) Electric Dryers and Electric Cooking Appliances in Dwell ‐ ings and
Household Cooking Appliances Used in Instructional Programs. Load
calculations shall be permitted as specified in BLANK for electric dryers and in
BLANK for electric ranges and other cooking appliances. Right Ans - Table
220.54; Table 220.55
Loads for motor outlets shall be calculated in accordance with the
requirements in BLANK, BLANK, and BLANK Right Ans - Tables 430.22,
430.24, and
440.6.
An outlet supplying luminaire(s) shall be
calculated based on the BLANK rating of the
equipment and lamps for which the luminaire(s) is rated. Right Ans -
maximum volt-ampere
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