NEMA PRP 3-2009 (R2020) addresses the effect of thermal expansion and contraction on long, straight runs of conduit. For this application, O-ring expansion fittings are used to accommodate changes in length.
NEMA PRP 3-2009 (R2020)
$24.00
Expansion Epoxy Based Fittings for RTRC Rigid Nonmetallic Conduit
Category: NEMA