Exam RCDD Topic 1 Question 287 Discussion

Actual exam question for BICSI's RCDD exam
Question #: 287
Topic #: 1
You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dBA. What dBA level should the horn be set at?

Suggested Answer: D Vote an answer

by Quennel at Oct 13, 2026, 12:01 PM

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