FPPI's Back Box for Fire Alarm Bells is made from high impact ABS thermoplastic. ABS is known for its strength and rigidity and has superior electrical insulation properties as compared to PVC, Styrene or other plastics. ABS can also be used in a wide range of temperatures from -13° F (-25° C) and 140° F (60° C). ABS is resistant to the elements that would normally cause corrosion in a similar back box made from cast aluminum with a painted finish.
FIG 02-454 Fire Alarm Bell Back Box
Pendent Canopies Skirts
1-pc Light Gauge Steel
Sprinkler Identification Signs
Sign Chain
Sprinkler Head Guards
Threaded Recessed Sprinkler Escutcheon
Wall Plates, Cast Iron, Galvanized
Rod Couplings
Machine Bolts, Hex Head
Extended Coverage Plates