Journeyman Ele Exam Prep 2024 (100% Correct)

Journeyman Ele Exam Prep 2024
(100% Correct)

1. What must be the middle conductor in a single - phase , three - wire electrical system :

a . Ungrounded

b Grounded

c . Hot

d . Out - of - phase . - ANSWERB



2. Three - wire , single phase electrical systems require 120 volts between the ungrounded conductor
and the neutral . Which voltage must exist between the two ungrounded conductors ?

a. 120 volts

b . 240 volts

c . 288 volts

d 600 volts - ANSWERB



3. When there are three wires in a single - phase 3 - wire electrical system , the hot conductors are
known as :

a . Neutral conductors

b Grounded conductors

c . Nominal conductors

d . Ungrounded conductors - ANSWERD



4. The local utility company supplies a 120/240 volt single phase electrical system to a one - family
dwelling with a demand load of 200 amps To be used as service entrance conductors for this
residence , what minimum aluminum THW conductor is required ?

a . 1/0 AWG

b . 4/0 AWG

c . 3/0 AWG

d . 2/0 AWG - ANSWERB