NM ES-3 EXAM COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) A+ GRADED

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NM ES-3 EXAM COMPLETE
QUESTIONS AND CORRECT

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DETAILED ANSWERS (VERIFIED
ANSWERS) A+ GRADED
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, What is the minimum clearance to the edge of a wood stud for a wire hole?
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?
1/4 inch


A basic alarm system will have __ power sources.
2




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What is the minimum required clearance between a receiving antenna and 250 volt line not
insulated?
2 Feet




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The minimum clearance for an antenna to other conductors is?
2 Feet (NEC 810.13)
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How far away must communications cables be from electric, light, or power conductors
2 inches


what is the maximum blink rate on a strobe light per second?
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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?
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?
3 1/2 feet or 42 inches


An overhead feeder must have a clearance of __ from chimneys, radio, and television antennas.
3 Feet (NEC 225.19 B)


The NEC classifies Continuous Load as equipment running at a maximum load of __ ____?