NYC MASTER ELECTRICIAN EXAM
UPDATED REVIEW COLLECTION 2026
QUESTIONS AND CORRECT ANSWERS
GRADED A+
⩥ 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
UPDATED REVIEW COLLECTION 2026
QUESTIONS AND CORRECT ANSWERS
GRADED A+
⩥ 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