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NM ES-3 Test Exam (Latest 2026/2027) || Most Recent
Exam 2026|2027 Actual Complete Real Verified Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ |Guaranteed Success!! Newest
Exam!!!
What is the minimum required clearance between a
receiving antenna and 250 volt line not insulated? -
Answer-2 Feet
The minimum clearance for an antenna to other
conductors is? - Answer-2 Feet (NEC 810.13)
How far away must communications cables be from
electric, light, or power conductors - Answer-2 inches
what is the maximum blink rate on a strobe light per
second? - Answer-2 (NFPA 72 18.5.2.1)
On a voice alarm system what is the minimum number of
cycles it has to report an evacuation procedure? - Answer-
2 (NFPA 72 24.4.1.2.1)
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What is the minimum required height for a propriety
manual pull fire alarm? - Answer-3 1/2 feet or 42 inches
An overhead feeder must have a clearance of __ from
chimneys, radio, and television antennas. - Answer-3 Feet
(NEC 225.19 B)
The NEC classifies Continuous Load as equipment
running at a maximum load of __ ____? - Answer-3 hours
A continuous load is a load where the maximum current is
expected to continue for a certain length of time. This
amount of time is? - Answer-3 hours or more
The minimum head room of working space above service
equipment, switchboards, panel boards, or motor control
centers shall be at least: - Answer-6.5 feet
What is the minimum required separation between
communication cables and lighting conductors? - Answer-
6 feet
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What is the minimum separation required between coaxial
cable in a CATV system and lighting conductors - Answer-
6 feet
On a radio antenna receiving station what is the minimum
clearance between lead-in conductors and conductors
forming a part of a lightning protection system? - Answer-6
feet
What is the minimum length of a grounding rod in an
application of less than 50 volts? - Answer-8 Feet (NEC
250.5.2.5)
Utility owned low-voltage communication, radio, and
television coaxial cables may pass directly over a pool if at
a minimum height of: - Answer-10 feet
All of the following is acceptable as a ground except? -
Answer-10 foot gas pipe (NEC 250.5.2 A)
An antenna is installed on a building for signal reception,
what is the smallest size copper grounding conductor that
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would be permitted? - Answer-10 Gauge (NEC 810.21.8
H)
What is the minimum clearance to the edge of a wood
stud for a wire hole? - Answer-1 1/4 inches(NEC 300.4 A
1)
What is the minimum separation between a class 1 fire
alarm circuit conductor and a class 2 or class 3 circuit? -
Answer-1/4 inch
A basic alarm system will have __ power sources. -
Answer-2
Electrical conduit buried 18 inches below grade shall have
a warning tape at how many inches above the conduit? -
Answer-12 inches (NEC 300.5 D 3)
What is the smallest ground wire to to communications
box - Answer-14 AWG (NEC 830.100 A 3)
What is the minimum size grounding conductor for
communications circuits - Answer-14 AWG
NM ES-3 Test Exam (Latest 2026/2027) || Most Recent
Exam 2026|2027 Actual Complete Real Verified Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ |Guaranteed Success!! Newest
Exam!!!
What is the minimum required clearance between a
receiving antenna and 250 volt line not insulated? -
Answer-2 Feet
The minimum clearance for an antenna to other
conductors is? - Answer-2 Feet (NEC 810.13)
How far away must communications cables be from
electric, light, or power conductors - Answer-2 inches
what is the maximum blink rate on a strobe light per
second? - Answer-2 (NFPA 72 18.5.2.1)
On a voice alarm system what is the minimum number of
cycles it has to report an evacuation procedure? - Answer-
2 (NFPA 72 24.4.1.2.1)
,2|Page
What is the minimum required height for a propriety
manual pull fire alarm? - Answer-3 1/2 feet or 42 inches
An overhead feeder must have a clearance of __ from
chimneys, radio, and television antennas. - Answer-3 Feet
(NEC 225.19 B)
The NEC classifies Continuous Load as equipment
running at a maximum load of __ ____? - Answer-3 hours
A continuous load is a load where the maximum current is
expected to continue for a certain length of time. This
amount of time is? - Answer-3 hours or more
The minimum head room of working space above service
equipment, switchboards, panel boards, or motor control
centers shall be at least: - Answer-6.5 feet
What is the minimum required separation between
communication cables and lighting conductors? - Answer-
6 feet
,3|Page
What is the minimum separation required between coaxial
cable in a CATV system and lighting conductors - Answer-
6 feet
On a radio antenna receiving station what is the minimum
clearance between lead-in conductors and conductors
forming a part of a lightning protection system? - Answer-6
feet
What is the minimum length of a grounding rod in an
application of less than 50 volts? - Answer-8 Feet (NEC
250.5.2.5)
Utility owned low-voltage communication, radio, and
television coaxial cables may pass directly over a pool if at
a minimum height of: - Answer-10 feet
All of the following is acceptable as a ground except? -
Answer-10 foot gas pipe (NEC 250.5.2 A)
An antenna is installed on a building for signal reception,
what is the smallest size copper grounding conductor that
, 4|Page
would be permitted? - Answer-10 Gauge (NEC 810.21.8
H)
What is the minimum clearance to the edge of a wood
stud for a wire hole? - Answer-1 1/4 inches(NEC 300.4 A
1)
What is the minimum separation between a class 1 fire
alarm circuit conductor and a class 2 or class 3 circuit? -
Answer-1/4 inch
A basic alarm system will have __ power sources. -
Answer-2
Electrical conduit buried 18 inches below grade shall have
a warning tape at how many inches above the conduit? -
Answer-12 inches (NEC 300.5 D 3)
What is the smallest ground wire to to communications
box - Answer-14 AWG (NEC 830.100 A 3)
What is the minimum size grounding conductor for
communications circuits - Answer-14 AWG
