The HY-BC580U Back Can is a metal enclosure to be used with installing the ceiling speaker PC-580RU or PC-580RVU into the ceiling with UL1480 UUMW / ULC-S541 (Fire Alarm Signaling) and/or UL 2043 (use in air handling spaces) certification(s).
Because of its tapered shape, this Back Can is stackable and minimizes the stocking space and a cost for transportation.It has four combination conduit knockouts 1/2" - 3/4" (13 - 19mm), four J-clips and two flexible perforated mounting straps.The Interior of the Back Can shall be undercoated and lined to prevent mechanical and acoustical resonances.Enclosure shall be finished in textured epoxy.