NYC MASTER ELECTRICIAN EXAM
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update
1. A storage battery supplying emergency lighting and power must maintain at
least what percentage of full load for a minimum of 1.5 hours?
A. 75%
B. 80%
C. 87.5%
D. 100%
Answer: C. 87.5%
2. When an internal combustion engine is used as the prime mover for an
emergency system, the on-site fuel supply must support at least how many
hours of full-demand operation?
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours
Answer: C. 6 hours
3. Unit equipment (battery packs) for emergency lighting shall be connected:
A. On a dedicated branch circuit only
B. On the same branch circuit as normal lighting ahead of local switches
C. On a GFCI-protected circuit
, D. On a separate feeder circuit only
Answer: B. On the same branch circuit as normal lighting ahead of local
switches
4. Ground-fault protection of equipment with automatic disconnecting means
is:
A. Required for all emergency systems
B. Required only in hospitals
C. Not required for alternate emergency system sources
D. Required only for generators
Answer: C. Not required for alternate emergency system sources
5. Equipment grounding terminal buses of normal and essential branch-circuit
panelboards serving the same patient care vicinity shall be connected using
a copper conductor not smaller than:
A. 14 AWG
B. 12 AWG
C. 10 AWG
D. 8 AWG
Answer: C. 10 AWG
6. Each patient bed location in critical care areas must be supplied by at least:
A. One branch circuit
B. Two branch circuits
C. Three branch circuits
D. Four branch circuits
Answer: B. Two branch circuits
,7. An individual branch circuit is not required for portable medical X-ray
equipment rated at:
A. 30 A or less
B. 40 A or less
C. 60 A or less
D. 100 A or less
Answer: C. 60 A or less
8. The ampacity of supply branch circuit conductors for X-ray equipment shall
not be less than:
A. 25% momentary rating
B. 50% momentary rating or 100% long-time rating, whichever is greater
C. 75% long-time rating
D. 125% continuous rating
Answer: B. 50% momentary rating or 100% long-time rating, whichever is
greater
9. A minimum of how many 20A branch circuits are required for laundry
outlets?
A. None required
B. One
C. Two
D. Three
Answer: B. One
10.Indoor electric vehicle charging coupling means shall be stored at a height
of at least:
A. 12 inches
B. 18 inches
C. 24 inches
, D. 36 inches
Answer: B. 18 inches
11.A Type 3 surge protective device must be installed at least how far from the
service disconnect if specified by manufacturer?
A. 10 ft
B. 20 ft
C. 30 ft
D. 50 ft
Answer: C. 30 ft
12.The minimum access opening in a manhole shall be:
A. 18 inches
B. 22 inches
C. 24 inches
D. 26 inches
Answer: D. 26 inches
13.Which appliance is permitted to have a 24-inch cord with attachment plug
in a dwelling unit?
A. Dishwasher
B. Garbage disposal
C. Combination range hood/microwave
D. Refrigerator
Answer: C. Combination range hood/microwave
14.Knife switches rated more than 1200A at 250V or less may be used only as:
A. Transfer switches
B. Disconnect switches under load
Comprehensive Resource To Help You Ace 2026-2027 Exams
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update
1. A storage battery supplying emergency lighting and power must maintain at
least what percentage of full load for a minimum of 1.5 hours?
A. 75%
B. 80%
C. 87.5%
D. 100%
Answer: C. 87.5%
2. When an internal combustion engine is used as the prime mover for an
emergency system, the on-site fuel supply must support at least how many
hours of full-demand operation?
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours
Answer: C. 6 hours
3. Unit equipment (battery packs) for emergency lighting shall be connected:
A. On a dedicated branch circuit only
B. On the same branch circuit as normal lighting ahead of local switches
C. On a GFCI-protected circuit
, D. On a separate feeder circuit only
Answer: B. On the same branch circuit as normal lighting ahead of local
switches
4. Ground-fault protection of equipment with automatic disconnecting means
is:
A. Required for all emergency systems
B. Required only in hospitals
C. Not required for alternate emergency system sources
D. Required only for generators
Answer: C. Not required for alternate emergency system sources
5. Equipment grounding terminal buses of normal and essential branch-circuit
panelboards serving the same patient care vicinity shall be connected using
a copper conductor not smaller than:
A. 14 AWG
B. 12 AWG
C. 10 AWG
D. 8 AWG
Answer: C. 10 AWG
6. Each patient bed location in critical care areas must be supplied by at least:
A. One branch circuit
B. Two branch circuits
C. Three branch circuits
D. Four branch circuits
Answer: B. Two branch circuits
,7. An individual branch circuit is not required for portable medical X-ray
equipment rated at:
A. 30 A or less
B. 40 A or less
C. 60 A or less
D. 100 A or less
Answer: C. 60 A or less
8. The ampacity of supply branch circuit conductors for X-ray equipment shall
not be less than:
A. 25% momentary rating
B. 50% momentary rating or 100% long-time rating, whichever is greater
C. 75% long-time rating
D. 125% continuous rating
Answer: B. 50% momentary rating or 100% long-time rating, whichever is
greater
9. A minimum of how many 20A branch circuits are required for laundry
outlets?
A. None required
B. One
C. Two
D. Three
Answer: B. One
10.Indoor electric vehicle charging coupling means shall be stored at a height
of at least:
A. 12 inches
B. 18 inches
C. 24 inches
, D. 36 inches
Answer: B. 18 inches
11.A Type 3 surge protective device must be installed at least how far from the
service disconnect if specified by manufacturer?
A. 10 ft
B. 20 ft
C. 30 ft
D. 50 ft
Answer: C. 30 ft
12.The minimum access opening in a manhole shall be:
A. 18 inches
B. 22 inches
C. 24 inches
D. 26 inches
Answer: D. 26 inches
13.Which appliance is permitted to have a 24-inch cord with attachment plug
in a dwelling unit?
A. Dishwasher
B. Garbage disposal
C. Combination range hood/microwave
D. Refrigerator
Answer: C. Combination range hood/microwave
14.Knife switches rated more than 1200A at 250V or less may be used only as:
A. Transfer switches
B. Disconnect switches under load
