NYC Master Electrician Exam Review 2026 | Most Tested
Electrical Code Concepts | Graded A+
1. Within sight means visible and not more than ________ ft distant from the
equipment.
10
25
50
20
2. Describe the significance of using a 24-inch cord with an attachment ground
plug for appliances in a Dwelling Unit.
The 24-inch cord with an attachment ground plug ensures safety
and compliance with electrical standards.
The 24-inch cord is used to reduce energy consumption.
The 24-inch cord is a standard length for all household appliances.
The 24-inch cord allows for greater flexibility in appliance placement.
3. What Is the minimum rating for a laundry circuit in a single family dwelling
30 amps 1500 watts
20 amps 1500 watts
30 amps 1000 watts
20 amps 1000 watts
4. If a new electrical system is installed in a raceway that already contains
conductors from two other systems, how should the neutral conductor of the
new system be marked?
, It should be covered in gray.
It should have a covering of a color other than green, with a colored
stripe.
It can be any color as long as it is not black.
It should be covered in white.
5. At what voltage must live parts be guarded and labeled to protect against
accidental contact
30 Volts
10 volts
50 Volts
2 volts
6. According to NEC section 210.11(C)(2) & 210.52(F), how many circuits are
required for each 120V 20A (calculated at 1500VA) laundry circuit?
1
2
None are required
Can be shared with kitchen appliance circuit
7. What is the maximum power supply rating for lighting systems as specified in
Article 411?
2000 VA
1500 VA
500 VA
1000 VA
,8. Describe the significance of maintaining a minimum horizontal climbing space
between power conductors and communication conductors.
The space is primarily for aesthetic purposes and does not impact
functionality.
Maintaining a minimum horizontal climbing space ensures safety
and accessibility for maintenance and reduces the risk of electrical
hazards.
There is no specific significance to the horizontal climbing space
between these conductors.
The horizontal climbing space is irrelevant to safety and only affects
aesthetic considerations.
9. What is the nominal trade size for a conduit that has an outside diameter of
approximately two inches?
1.5 inches
3 inches
1 inch
2 inches
10. Describe the factors that determine the maximum run length of an 18AWG
wire on a 20 amp circuit.
The maximum run length is solely based on the type of insulation
used on the wire.
The maximum run length is determined by the length of the circuit
breaker.
The maximum run length is based on the ambient temperature of the
installation site.
, The maximum run length is determined by the wire gauge, the
current rating of the circuit, and voltage drop considerations.
11. What is the term used to describe the part of a wiring system that extends
beyond the last overcurrent protection device?
Branch circuit
Load side
Service entrance
Neutral conductor
12. What is the minimum clearance required in feet in front of a switchboard
when service equipment totaling 1000 KVA or larger is installed facing each
other?
6 feet
3 feet
4 feet
10 feet
13. If an elevator machine room is designed to accommodate three elevators,
how many duplex receptacles with ground-fault circuit interrupters should
be installed according to the guidelines?
At least eight
At least two
At least four
At least six
Electrical Code Concepts | Graded A+
1. Within sight means visible and not more than ________ ft distant from the
equipment.
10
25
50
20
2. Describe the significance of using a 24-inch cord with an attachment ground
plug for appliances in a Dwelling Unit.
The 24-inch cord with an attachment ground plug ensures safety
and compliance with electrical standards.
The 24-inch cord is used to reduce energy consumption.
The 24-inch cord is a standard length for all household appliances.
The 24-inch cord allows for greater flexibility in appliance placement.
3. What Is the minimum rating for a laundry circuit in a single family dwelling
30 amps 1500 watts
20 amps 1500 watts
30 amps 1000 watts
20 amps 1000 watts
4. If a new electrical system is installed in a raceway that already contains
conductors from two other systems, how should the neutral conductor of the
new system be marked?
, It should be covered in gray.
It should have a covering of a color other than green, with a colored
stripe.
It can be any color as long as it is not black.
It should be covered in white.
5. At what voltage must live parts be guarded and labeled to protect against
accidental contact
30 Volts
10 volts
50 Volts
2 volts
6. According to NEC section 210.11(C)(2) & 210.52(F), how many circuits are
required for each 120V 20A (calculated at 1500VA) laundry circuit?
1
2
None are required
Can be shared with kitchen appliance circuit
7. What is the maximum power supply rating for lighting systems as specified in
Article 411?
2000 VA
1500 VA
500 VA
1000 VA
,8. Describe the significance of maintaining a minimum horizontal climbing space
between power conductors and communication conductors.
The space is primarily for aesthetic purposes and does not impact
functionality.
Maintaining a minimum horizontal climbing space ensures safety
and accessibility for maintenance and reduces the risk of electrical
hazards.
There is no specific significance to the horizontal climbing space
between these conductors.
The horizontal climbing space is irrelevant to safety and only affects
aesthetic considerations.
9. What is the nominal trade size for a conduit that has an outside diameter of
approximately two inches?
1.5 inches
3 inches
1 inch
2 inches
10. Describe the factors that determine the maximum run length of an 18AWG
wire on a 20 amp circuit.
The maximum run length is solely based on the type of insulation
used on the wire.
The maximum run length is determined by the length of the circuit
breaker.
The maximum run length is based on the ambient temperature of the
installation site.
, The maximum run length is determined by the wire gauge, the
current rating of the circuit, and voltage drop considerations.
11. What is the term used to describe the part of a wiring system that extends
beyond the last overcurrent protection device?
Branch circuit
Load side
Service entrance
Neutral conductor
12. What is the minimum clearance required in feet in front of a switchboard
when service equipment totaling 1000 KVA or larger is installed facing each
other?
6 feet
3 feet
4 feet
10 feet
13. If an elevator machine room is designed to accommodate three elevators,
how many duplex receptacles with ground-fault circuit interrupters should
be installed according to the guidelines?
At least eight
At least two
At least four
At least six
