NYC ELECTRICIAN FINAL PAPER 2026
EXAM Q AND A STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
●● Z- Impedance
Answer: The total opposition to an AC circuit, combining all resitances
Z= square root of R^2 + (XL- XC)^2
●● True Power
Answer: Total power of circuit in Watts
P(true)= P(App.) x PF
●● Oil is used in many large transformers to?
Answer: To insulate the coils
●● Apparent Power
Answer: Starting power
P(App) = E x I (Volt Amperes)
●● Power Factor
Answer: P(True) / P(App) OR PF=R/Z
,●● Xc= Capacitive Reactance
Answer: Xc= 1/ (2)(π)(F)(C) OR 159,000/ (f x μfd)
●● Xl= inductive reactance
Answer: Xl= (2)(π)(F)(L)
●● Circuit breakers used for switching shall be marked:
Answer: SWD or HID
●● An insulated wire shall have its AWG marking every _______ feet
Answer: Two
●● The cold resistance is ________ than the hot resistance.
Answer: Less than
●● Celsius to Fahrenheit
Answer: F = 9/5C + 32
●● Wire Temp. Abbreviations
Answer: No H = 60° C
1 H = 75°C
, 2 H= 90°
●● Voltage is _________ to the # of turns
Answer: Proportional
●● To select the proper fuse, it is necessary to know the...
Answer: voltage and amperage
●● When under ordinary conditions, device boxes for concealed work
shall have a depth of not less than...
Answer: 1/2"
●● The largest size conductor that may be used in under floor raceway
is...
Answer: that for which it is designed for
●● A 277V light circuit may not be used to supply...
Answer: A standard medium base
●● To determine the insulation resistance of a newly installed wiring
system, best procedure is t megger test...
Answer: between the wires and from each wire to the conduit
EXAM Q AND A STUDY GUIDE COMPLETE
QUESTIONS AND ANSWERS
●● Z- Impedance
Answer: The total opposition to an AC circuit, combining all resitances
Z= square root of R^2 + (XL- XC)^2
●● True Power
Answer: Total power of circuit in Watts
P(true)= P(App.) x PF
●● Oil is used in many large transformers to?
Answer: To insulate the coils
●● Apparent Power
Answer: Starting power
P(App) = E x I (Volt Amperes)
●● Power Factor
Answer: P(True) / P(App) OR PF=R/Z
,●● Xc= Capacitive Reactance
Answer: Xc= 1/ (2)(π)(F)(C) OR 159,000/ (f x μfd)
●● Xl= inductive reactance
Answer: Xl= (2)(π)(F)(L)
●● Circuit breakers used for switching shall be marked:
Answer: SWD or HID
●● An insulated wire shall have its AWG marking every _______ feet
Answer: Two
●● The cold resistance is ________ than the hot resistance.
Answer: Less than
●● Celsius to Fahrenheit
Answer: F = 9/5C + 32
●● Wire Temp. Abbreviations
Answer: No H = 60° C
1 H = 75°C
, 2 H= 90°
●● Voltage is _________ to the # of turns
Answer: Proportional
●● To select the proper fuse, it is necessary to know the...
Answer: voltage and amperage
●● When under ordinary conditions, device boxes for concealed work
shall have a depth of not less than...
Answer: 1/2"
●● The largest size conductor that may be used in under floor raceway
is...
Answer: that for which it is designed for
●● A 277V light circuit may not be used to supply...
Answer: A standard medium base
●● To determine the insulation resistance of a newly installed wiring
system, best procedure is t megger test...
Answer: between the wires and from each wire to the conduit
