Octagon wall box. Used outdoors in areas exposed to the weather as part of a rigid PVC conduit installation. Octagon boxes serve as an entrance and distribution point for runs of electrical connectors from a power source to switches, lights, and outlets. Not rated to support lights or fans. High impact and high tensile strength. PVC is resistant to external corrosion and pitting and will not rust. As a building material PVC offers outstanding fire performance characteristics. After years of exposure to direct sunlight, heat, and extreme weather, Kraloy PVC fittings retain their original properties. Resistant to a wide range of chemicals such as acids, alkalis or salt solutions. Resistant to fungi, bacterial action, rodents and termites, for a long and trouble-free life. All that is required to join your Kraloy fittings with PVC conduit is solvent cement