MASTER ELECTRICIAN ACTUAL EXAM
PAPER 2026 QUESTIONS AND SOLUTIONS
GRADED A+
◉ Where a conductor is marked RHW-2 on the insulation what does
the "-2" represent?
Answer: The conductor has a maximum operating temperate of 90
degrees C.
◉ For a grounded electrical system supplied by a feeder or branch
circuit, the equipment grounding conductor shall be sized in
accordance with _____.
Answer: the overcurrent protective device
◉ For lighting systems operating at 30-volts or less, the output
circuits of the power supply are to
be rated for NOT more than _____.
Answer: 25 amperes
◉ Using the standard method of calculation, what is the demand, in
kW, on the ungrounded (line) service-entrance conductors of an
,apartment complex that has thirty-five (35) electric ranges rated at
11.5 kW each?
Answer: 50 kW
◉ Where a service riser is installed in a wet location and contains
THWN insulated conductors, the wiring method used _____.
Answer: is permitted to be electrical metallic tubing (EMT)
◉ What is the MAXIMUM distance between supports for straight
horizontal runs of trade size 1½ in. threaded rigid metal conduit
(RMC)?
Answer: 14 feet
◉ Overcurrent protection of transformers, of 600 volts or less, is
required to be sized _____.
Answer: in accordance with Table 450.3(B)
◉ A thermal barrier shall be required if the space between the
resistors and reactors, of 600 volts or less, and combustible material
is LESS than _____.
Answer: 12 inches
◉ In movie theaters, all switches for controlling the emergency
lighting systems shall be located _____.
, Answer: in the lobby
◉ Where a 90 ampere, 240-volt, single-phase load is located 225
feet from a panelboard and is supplied with size 3 AWG copper
conductors, determine the approximate voltage drop on the
conductors. (K = 12.9)
Answer: 10 volts
◉ Wiring methods associated with solar photovoltaic (PV) systems
shall not be installed within _____ of the roof decking or sheathing
except where directly below the roof surface covered by PV modules
and associated equipment.
Answer: 10 inches
◉ All metallic switchgear rated for over 600 volts shall be provided
with a grounding busbar for the purpose of connecting the _____.
Answer: metallic shield of cables
◉ Conductors tapped from a feeder and supplying the primary of a
transformer need not have overcurrent protection, where the length
of the tap conductors are not over 25 feet and have an ampacity of at
LEAST _____ of the rating of the overcurrent device protecting the
feeder conductors.
Answer: one-third
PAPER 2026 QUESTIONS AND SOLUTIONS
GRADED A+
◉ Where a conductor is marked RHW-2 on the insulation what does
the "-2" represent?
Answer: The conductor has a maximum operating temperate of 90
degrees C.
◉ For a grounded electrical system supplied by a feeder or branch
circuit, the equipment grounding conductor shall be sized in
accordance with _____.
Answer: the overcurrent protective device
◉ For lighting systems operating at 30-volts or less, the output
circuits of the power supply are to
be rated for NOT more than _____.
Answer: 25 amperes
◉ Using the standard method of calculation, what is the demand, in
kW, on the ungrounded (line) service-entrance conductors of an
,apartment complex that has thirty-five (35) electric ranges rated at
11.5 kW each?
Answer: 50 kW
◉ Where a service riser is installed in a wet location and contains
THWN insulated conductors, the wiring method used _____.
Answer: is permitted to be electrical metallic tubing (EMT)
◉ What is the MAXIMUM distance between supports for straight
horizontal runs of trade size 1½ in. threaded rigid metal conduit
(RMC)?
Answer: 14 feet
◉ Overcurrent protection of transformers, of 600 volts or less, is
required to be sized _____.
Answer: in accordance with Table 450.3(B)
◉ A thermal barrier shall be required if the space between the
resistors and reactors, of 600 volts or less, and combustible material
is LESS than _____.
Answer: 12 inches
◉ In movie theaters, all switches for controlling the emergency
lighting systems shall be located _____.
, Answer: in the lobby
◉ Where a 90 ampere, 240-volt, single-phase load is located 225
feet from a panelboard and is supplied with size 3 AWG copper
conductors, determine the approximate voltage drop on the
conductors. (K = 12.9)
Answer: 10 volts
◉ Wiring methods associated with solar photovoltaic (PV) systems
shall not be installed within _____ of the roof decking or sheathing
except where directly below the roof surface covered by PV modules
and associated equipment.
Answer: 10 inches
◉ All metallic switchgear rated for over 600 volts shall be provided
with a grounding busbar for the purpose of connecting the _____.
Answer: metallic shield of cables
◉ Conductors tapped from a feeder and supplying the primary of a
transformer need not have overcurrent protection, where the length
of the tap conductors are not over 25 feet and have an ampacity of at
LEAST _____ of the rating of the overcurrent device protecting the
feeder conductors.
Answer: one-third
