NICET 2 questions with correct answers

Where located above floor (within 2.1m or 7ft.) cables shall be securely fastened at intervals of? - Answer not more than 18 inches Which cable types can be installed in fireproof riser shafts? - Answer FPLP, FPLR, and FPL How many THHN conductors can fit in a 3/4 size Rigid PVC conduit? - Answer 17 This is the defined as the height from the continuous floor of a room to the continuous ceiling of a room or space? - Answer Ceiling height The visible annunciation of the location of operated initiating device shall not be? - Answer by the means used to deactivate alarm notification appliances. Subsequent trouble signals shall cause trouble notification appliances to activate as required by what? - Answer system input/ output matrix System equipment shall be maintained in accordance with what? - Answer Manufacturer's published instructions The detector sensitivity shall not be tested or measured using any device that administers? - Answer an unmeasured concentration of smoke or other aerosol into the detector or smoke alarm