33022 is a Level II General Non-Core Work element.
The asterisk (*) following 33022 means crossover credit exists in selected other fields/subfields for this work element. Read information on crossover work elements in the Program Detail Manual on pages 4 and 5. You won't receive the crossover credit until you test in another qualified sub-field for the first time.
Understand the basic principles of operation of fixed temperature, rate-of-rise, rate compensation, and combination heat sensing fire detectors, their temperature classifications, listed spacing, and the effect of thermal lag. Lay out a system of heat sensing fire detectors of both the line and spot type. (NFPA 72, Fire Alarm Signaling Systems, U.L. Fire Protection Equipment Directory)
Fire Alarm Signaling Systems
UL Fire Protection Equipment Directory
NICET TEST PREPARATION HANDBOOKS are now available for this element and for every element in level 1 through level 4.