NFPA upper level zone A:
Product: LED-AD-PA18LB & LED-AO-PA18LB-[*]
One (1) PowerArc, model LED-AD-PA18LB-[*], 18” lightbar shall be mounted 90 degrees to the frame rails on the driver’s side on the cab roof. One (1) PowerArc, model LED-AO-PA18LB-[*], 18” lightbar shall be mounted 90 degrees to the frame rails on the officer’s side on the cab roof. These lightbars fulfill the requirements for Upper Zone A and in combination with the upper rear warning devices fulfill the requirements for Upper Zones B, C, and D.