Service entrance fitting cap. Fits on the top of a mast where an overhead cable supplies power from a main power line to a building. 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. Retains original properties after years of exposure to direct sunlight, heat, and extreme weather. 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. Requires solvent cement to install. UL (Underwriter's Laboratories) listed.