PVC
sleeve & double bell couplings are manufactured
from U/L listed conduit accordance with UL Standard
651 and NEMA Standard TC-2. Sch40 & Sch80
conduit is rated for 90 C Conductors and sunlight
resistant as specified by UL 651. Rigid nonmetallic
fittings are colored gray and can be used in both
aboveground and underground installations.