LDPE Polyethylene plastic, 6 mm wall thickness, UL94V-0 rated.
Powder coated stainless steel.
IP-55 rating per IEC529 (dust protected and protected against jets of water). Exceeds MilSpec 810 for humidity, salt spray, temperature & UV. Passes Mil-STd-202F for salt spray. Enclosure UL94V0 rated.
UL1480, Transformer UL Recognized per UL1876, ROHS compliant.
Bare wire with dielectric-gel-filled wire nuts (internal to top speaker section).
Water ingress protected by two stages of gland nuts, one mounted on outside of enclosure (installed by installer via drilling 22 mm (0.875 in, 7/8 in) hole in any of multiple provided locations) and one between the bottom base and top speaker sections. Included gland nuts require round-jacketed wire with outside diameter between 4.0 mm and 9.0 mm (0.16” in and 0.35” in). For installation instructions see Installation Guide (# IS C80MLS).