Fire-Lite FPJ-F Firefighter Phone JackProduct Overview The FPJ F Firefighter Phone Jack mounts to a single gang electrical box (4 x 2 1 8 x 2 1 2) or, when the MMF 301 addressable mini monitor module is installed with it, a deep single gang electrical box (4" x 2 1 8" x 3 1 4"). Connect the telephone audio loop between the FPJ F and ACC FFT as detailed in the following table and illustration below. Main Features Remote phone jack for the ACCFFT Fire Fighter Telephone Module. Can help add