For use with 12V and 120V fixtures, the junction box mounting bracket with Centennial Brass offers a corrosion-resistant aluminum alloy with thermoset powder coat finish. The junction box mounting bracket is made of Centennial Brass which presents a natural vintage look and feel with brown and gold undertones that will patina over time. This solid, thick-walled, cast brass fixtures is ideal for most environments, including harsh coastal climates and is backed by a 10 year warranty.