Second Year Iec Final Study Guide Graded A+

For the purpose of determining the number of current-carrying conductors in a cable or conduit, the neutral _____ counted when the branch circuit is 120/240-volt, 1 phase, 3 wire connected to a 120/240-volt, 3 phase delta, 4 wire panelboard. Each of the two circuits carries 16 amps and serves resistive (linear) loads. {Ans: is not}You need to change from 240 volts to 480 volts to operate a piece of equipment that will require 25 KVA at 480 volts. You must use a transformer that is built specifically for step-up applications. T/F {Ans: false}The "J" designation in any of the "S-type" flexible cords designates _____. {Ans: a junior size}Anex _____ in the NEC contains examples of load calculations for dwellings. {Ans: D}Transformers power ratings can be in ______. -i. VA -ii. MVA -iii. KVA {Ans: any of these}At a recreational vehicle park, electrical service feeders shall be calculated on basis of not less than 600 volt-amperes per site when equipped with _________. {Ans: 20a supply facilties with only one dedicated tent site}