NYC MASTER ELECTRICIAN FINAL EXAM ACTUAL
QUESTIONS AND ANSWERS SURE A+
✔✔Where an internal combustion engine is used as the prime mover for the emergency
system and on-site fuel supply shall be provided for not less than 6 hours of full-demand
operation of the system - ✔✔
✔✔Unit equipment (battery packs) shall be on the same branch circuit as that serving
the normal lighting in the area and connected ahead of any local switches - ✔✔
✔✔The alternate source for emergency systems shall not be required to have ground-
fault protection of equipment with automatic disconnecting means - ✔✔
✔✔They equipment grounding terminal buses of the normal and essential branch-circuit
panelboards serving the same individual patient care vicinity shall be connected
together with an insulated continuous copper conductor not smaller than 10 AWG - ✔✔
✔✔Each patient bed location in critical care areas shall be supplied by at least 2 branch
circuits. - ✔✔
✔✔Individual branch circuit shall not be required for portable mobile and transportable
medical x-ray equipment requiring a capacity of not over 60 amperes - ✔✔
✔✔The ampacity of supply branch circuit conductors and the current rating of all the
current protective devices for x-ray equipment shall not be less than 50 of the
momentary rating or 100 percent of the longtime rating, whichever is greater - ✔✔
✔✔There shall be a minimum of one 20A branch circuit for laundry outlets required by
210.52(f) - ✔✔
,✔✔Indoor electrical vehicle charging sites, unless specifically listed for the purpose and
location,the coupling means of the electric vehicle supply equipment shall be stored or
located at a height of not less than 18"Inches and not more than 4'FT - ✔✔
✔✔Type 3 surge protective devices can be installed on the load side of a branch circuit
overcurrent device up to the equipment served. If included in the manufacture's
instructions, the type 3 SPD connection must be a minimum 30ft. Of conductor distance
from the service or separately derived system disconnect - ✔✔
✔✔Access opening in a manhole shall be not less than 26" - ✔✔
✔✔In a dwelling unit which appliance is allowed to have a 24" cord with attachment
ground plug? Combination range hood/Microwave - ✔✔
✔✔Knife switches rated for more than 1200 amps at 250v or less, can be used only as
isolating switch, shall not be opened under load. - ✔✔
✔✔Two or more 20A small appliance branch circuits shall be provided to supply power
for receptacles outlets in the dwelling unit kitchen,dining room,breakfast room, pantry, or
similar dining areas - ✔✔
✔✔At least one 125v, single phase, 15A or 20A, duplex receptacle shall be provided in
the elevator hoistway pit. - ✔✔
✔✔The feeder and branch circuit overcurrent devices shall be accessible by ?
Authorized persons only - ✔✔
✔✔Receptacle outlet in floor shall not be counted as part of the required number of
receptacle outlets unless located within 18" of the wall - ✔✔
✔✔A door used by personnel to exit the work space that is less than 25' feet from the
working space shall, swing outward with simple pressure. - ✔✔
✔✔Cables with entirely nonmetallic sheath (ROMEX) shall be permitted to enter the top
of a surface mounted enclosure through one or more non flexible raceways not less
than 18" - ✔✔
✔✔In straight pull, the length of the box shall not be less than 8 times the trade size of
the largest raceway. - ✔✔
✔✔A separate branch circuit shall supply the elevator hoistway pit lighting and
receptacle. The required lighting shall not be connected to the load side of a ground-
fault circuit interrupter. - ✔✔
, ✔✔What is true about installation of a Type 1 TVSS Can be connected to line side of
service disconnect. - ✔✔
✔✔A load demand factor of 75% is permitted for four or more appliances fastened in
place such as waste disposal, dishwashers, trash compactors, water heater, etc, - ✔✔
✔✔Which of the following statements best describes the grounding requirements for
central vacuum outlet assemblies? Accessible non-current-carrying metal parts are
required to be connected to an equipment grounding conductor. - ✔✔
✔✔Service drops installed over roofs shall have a vertical clearance of 8ft above the
roof surface,unless a lesser distance is permitted by an exception - ✔✔
✔✔The maximum total voltage drop on branch-circuit conductors is 3% percent. - ✔✔
✔✔Which of the following shall not be connected to the life safety branch in a hospital?
General illumination - ✔✔
✔✔How many receptacles are required within the perimeter of a balcony, deck or porch
with a useable area of less than 20 square FT. 1 - ✔✔
✔✔Branch circuit conductors within 3in. Of a ballast shall have an insulation
temperature rating not lower than 90 degrees celsius (194 degrees Fahrenheit) - ✔✔
✔✔A multi family building has 12 units. The system voltage is 120/240V, single-phase.
Each 1,500 sq ft unit contains the following:
Dishwasher 1.50 kva
Water Heater 4kw
Dryer 4.50 kW
Washing Machine 1.20 KVA
Range 14.45 kw
A/C (230V) 3hp
A/C fan motor 1/8 hp (334)
Heat 5kw - ✔✔
✔✔Which of the following are not permitted for the protection of equipment in electrical
vaults? Stud walls covered with wallboard having a 3 hr rating - ✔✔
✔✔What is the maximum run length of a 18AWG fixture wire that is tapped on to a 20A
branch circuit? - ✔✔50' ft.
QUESTIONS AND ANSWERS SURE A+
✔✔Where an internal combustion engine is used as the prime mover for the emergency
system and on-site fuel supply shall be provided for not less than 6 hours of full-demand
operation of the system - ✔✔
✔✔Unit equipment (battery packs) shall be on the same branch circuit as that serving
the normal lighting in the area and connected ahead of any local switches - ✔✔
✔✔The alternate source for emergency systems shall not be required to have ground-
fault protection of equipment with automatic disconnecting means - ✔✔
✔✔They equipment grounding terminal buses of the normal and essential branch-circuit
panelboards serving the same individual patient care vicinity shall be connected
together with an insulated continuous copper conductor not smaller than 10 AWG - ✔✔
✔✔Each patient bed location in critical care areas shall be supplied by at least 2 branch
circuits. - ✔✔
✔✔Individual branch circuit shall not be required for portable mobile and transportable
medical x-ray equipment requiring a capacity of not over 60 amperes - ✔✔
✔✔The ampacity of supply branch circuit conductors and the current rating of all the
current protective devices for x-ray equipment shall not be less than 50 of the
momentary rating or 100 percent of the longtime rating, whichever is greater - ✔✔
✔✔There shall be a minimum of one 20A branch circuit for laundry outlets required by
210.52(f) - ✔✔
,✔✔Indoor electrical vehicle charging sites, unless specifically listed for the purpose and
location,the coupling means of the electric vehicle supply equipment shall be stored or
located at a height of not less than 18"Inches and not more than 4'FT - ✔✔
✔✔Type 3 surge protective devices can be installed on the load side of a branch circuit
overcurrent device up to the equipment served. If included in the manufacture's
instructions, the type 3 SPD connection must be a minimum 30ft. Of conductor distance
from the service or separately derived system disconnect - ✔✔
✔✔Access opening in a manhole shall be not less than 26" - ✔✔
✔✔In a dwelling unit which appliance is allowed to have a 24" cord with attachment
ground plug? Combination range hood/Microwave - ✔✔
✔✔Knife switches rated for more than 1200 amps at 250v or less, can be used only as
isolating switch, shall not be opened under load. - ✔✔
✔✔Two or more 20A small appliance branch circuits shall be provided to supply power
for receptacles outlets in the dwelling unit kitchen,dining room,breakfast room, pantry, or
similar dining areas - ✔✔
✔✔At least one 125v, single phase, 15A or 20A, duplex receptacle shall be provided in
the elevator hoistway pit. - ✔✔
✔✔The feeder and branch circuit overcurrent devices shall be accessible by ?
Authorized persons only - ✔✔
✔✔Receptacle outlet in floor shall not be counted as part of the required number of
receptacle outlets unless located within 18" of the wall - ✔✔
✔✔A door used by personnel to exit the work space that is less than 25' feet from the
working space shall, swing outward with simple pressure. - ✔✔
✔✔Cables with entirely nonmetallic sheath (ROMEX) shall be permitted to enter the top
of a surface mounted enclosure through one or more non flexible raceways not less
than 18" - ✔✔
✔✔In straight pull, the length of the box shall not be less than 8 times the trade size of
the largest raceway. - ✔✔
✔✔A separate branch circuit shall supply the elevator hoistway pit lighting and
receptacle. The required lighting shall not be connected to the load side of a ground-
fault circuit interrupter. - ✔✔
, ✔✔What is true about installation of a Type 1 TVSS Can be connected to line side of
service disconnect. - ✔✔
✔✔A load demand factor of 75% is permitted for four or more appliances fastened in
place such as waste disposal, dishwashers, trash compactors, water heater, etc, - ✔✔
✔✔Which of the following statements best describes the grounding requirements for
central vacuum outlet assemblies? Accessible non-current-carrying metal parts are
required to be connected to an equipment grounding conductor. - ✔✔
✔✔Service drops installed over roofs shall have a vertical clearance of 8ft above the
roof surface,unless a lesser distance is permitted by an exception - ✔✔
✔✔The maximum total voltage drop on branch-circuit conductors is 3% percent. - ✔✔
✔✔Which of the following shall not be connected to the life safety branch in a hospital?
General illumination - ✔✔
✔✔How many receptacles are required within the perimeter of a balcony, deck or porch
with a useable area of less than 20 square FT. 1 - ✔✔
✔✔Branch circuit conductors within 3in. Of a ballast shall have an insulation
temperature rating not lower than 90 degrees celsius (194 degrees Fahrenheit) - ✔✔
✔✔A multi family building has 12 units. The system voltage is 120/240V, single-phase.
Each 1,500 sq ft unit contains the following:
Dishwasher 1.50 kva
Water Heater 4kw
Dryer 4.50 kW
Washing Machine 1.20 KVA
Range 14.45 kw
A/C (230V) 3hp
A/C fan motor 1/8 hp (334)
Heat 5kw - ✔✔
✔✔Which of the following are not permitted for the protection of equipment in electrical
vaults? Stud walls covered with wallboard having a 3 hr rating - ✔✔
✔✔What is the maximum run length of a 18AWG fixture wire that is tapped on to a 20A
branch circuit? - ✔✔50' ft.
