Are plastic pipe fittings resistant to UV degradation in indoor installations?

Copper Roofing Material Geogrid Cross Reference Chart Aluminum Transition Plate 912 Bulb Cross Reference 1141 Bulb Cross Reference Tcp Udp Socket Programming Socket Programming Tutorial Socket Programming Tutorials Thread Parts Drywall End Cap High Pressure Hose Connectors Coso Internal Environment Soundproof Curtains Roof Tarp Clear Corrugated Plastic Roofing Greenhouse Roof Geotextile Mesh Aluminum Awnings cellular pvc sheet Canopy Attached To House