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NICET Level 1 Fire Alarm Systems Exam 2025 Questions and Answers The operable part of a manually actuated alarm initiating device shall be not less than ____ inches AFF. - ....ANSWER ...-42 inches Consider the use of grounding electrodes. Rod and pipe electrodes shall not be less than____ feet in length? - ....ANSWER ...-8 feet Smoke detectors should not be located in a direct airflow or closer than ____ inches from an air supply diffuser or return air opening? - ....ANSWER ...-36 inches Consider the use of visible notification appliances. Wall mounted appliances shall be mounted such that the entire lens is not less than ____ inches above the finished floor? ....ANSWER ...-80 inches How many 16 gauge conductors are permitted in a 4 x 1 1/2 inches square box? ....ANSWER ...-12 Wall mounted audible appliances shall have their tops above the finished floors at heights of not less than ____ inches and below the finished ceilings at distances of not less than 6 inches? - ....ANSWER ...-90 inches A minimum ____ db ambient sound level with a 6 hour exposure time requires hearing protection? - ....ANSWER ...-92 db …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1