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    Introduction to Low Voltage Systems
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    Exam 9: Fire Alarm Systems and National Electrical Code Article 760
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    Audible Alarm Indicators, for Commercial Spaces, Must Output a Minimum
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Audible Alarm Indicators, for Commercial Spaces, Must Output a Minimum

Question 14

Question 14

Multiple Choice

Audible alarm indicators, for commercial spaces, must output a minimum level of _____dB at 10ft. and be _______dB greater than the ambient noise level.


A) 60dB, 6dB
B) 60dB, 15dB
C) 75dB, 15dB
D) 85dB, 15dB

Correct Answer:

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