To allow for expansion and contraction in a run of rigid metal conduit.
For applications involving IMC a 15" min. length of rigid conduit
should be used entering the expansion fitting due to the slightly
smaller O.D. of the IMC.
Type AF-4 provides for a maximum of 4" conduit movement (2" in either direction).
Type AF-8 provides for a maximum of 8" conduit movement (4" in either direction).
Features:
Weatherproof
Concrete-tight
Includes insulating bushing
Bonding jumpers
Material:
Malleable or Ductile Iron/Hot Dip Galvanized
Optional Material:
Type AF-4 and Type AF-8 are available in Copper free aluminum upon request. Use AJJ Bonding Jumpers with aluminum material.
Third Party Certification:
UL Listed: E-11853
Wet or dry locations use with type BJ external bonding jumpers per NEC 250.98.
CSA certified: 11584
Wet or dry locations use with type AJ external bonding jumpers.
To Order Specify:
Specify bonding jumpers for steel conduit by catalog numbers located
in the parts description of required Type AF expansion fitting
description.