MATERIAL Signals are pressure die-cast of aluminum alloy 413 in accordance with ASTM-B85.
HOUSING One-piece die-cast aluminum unit with serrations in 5° increments at each end, so that they may be fastened together to form multi- section signals. Each housing has provisions for mounting two terminal blocks and attaching backplate.
DOOR One-piece die-cast aluminum unit equipped with stainless steel hinge pins. One stainless steel captive eyebolt and wing nut per- mit easy access to the inside of the housing.
VISOR One-piece formed aluminum unit. The removable twist-on visor is secured to the door with stainless steel hardware. Cap, tunnel, and full circle visors are available. The interior of the visor is coated with a non-reflective, matte black paint. ©
MOUNTING EASE Positive Positioning and locking are achieved through the use of serrated fittings, mast arm brackets or span wire mounts.