Cut Sheet

FEEDTHROUGH WIREWAY Feed-Through NeMA Type 12 WireWAy
PH 763.422.2211nVent.com/HOFFMAN WIRE AND CABLE MANAGEMENT 6
Spec-00323 L
CLOSURE PLATE
Used to seal the end on a wireway section or run.
Bulletin: F20
Catalog Number
D
in./mm
E
in./mm
F22WP 3.88
99
3.88
99
F44WP 5.38
137
5.38
137
F66WP 7.62
194
7.62
194
F88WP 9.62
244
9.62
244
All dimensions are to outside surfaces. Allow .12 in. (3 mm) additional for gasket at joints.
Certified by Canadian Standards Association.
REDUCER BUSHINGS
Used to reduce to a smaller wireway size. The center hole bushing
centers the two wireway sizes relative to each other while the edge
hole bushing keeps the top surfaces even.
Bulletin: F20
Center Hole
Catalog Number
AxB in. AxB mm D (in.) D (mm) E (in.)
E (mm)
F44WR22 2.00 x 2.00 51 x 51 5.38 137 5.38 137
F66WR44 4.00 x 4.00 102 x 102 7.62 194 7.62 194
F88WR44 4.00 x 4.00 102 x 102 9.62 244 9.62 244
F88WR66 6.00 x 6.00 152 x 152 9.62 244 9.62 244
All dimensions are to outside surfaces. Allow .12 in. (3 mm) additional for gasket at joints.
Certified by Canadian Standards Association.
Edge Hole
Catalog Number
AxB in. AxB mm D (in.) D (mm) E (in.)
E (mm)
F44WRE22 2.00 x 2.00 51 x 51 5.38 137 5.38 137
F66WRE44 4.00 x 4.00 102 x 102 7.62 194 7.62 194
F88WRE44 4.00 x 4.00 102 x 102 9.62 244 9.62 244
F88WRE66 6.00 x 6.00 152 x 152 9.62 244 9.62 244
All dimensions are to outside surfaces. Allow .12 in. (3 mm) additional for gasket at joints.
Certified by Canadian Standards Association.
NIPPLE
Bulletin: F20
Catalog Number
AxBxC in.
AxBxC mm
F22WN1 2.50 x 2.50 x 1.00 64 x 64 x 25
F22WN2 2.50 x 2.50 x 2.00 64 x 64 x 51
F22WN3 2.50 x 2.50 x 3.00 64 x 64 x 76
F22WN6 2.50 x 2.50 x 6.00 64 x 64 x 152
F44WN1 4.00 x 4.00 x 1.00 102 x 102 x 25
F44WN2 4.00 x 4.00 x 2.00 102 x 102 x 51
F44WN3 4.00 x 4.00 x 3.00 102 x 102 x 76
F44WN6 4.00 x 4.00 x 6.00 102 x 102 x 152
F66WN1 6.00 x 6.00 x 1.00 152 x 152 x 25
F66WN2 6.00 x 6.00 x 2.00 152 x 152 x 51
F66WN3 6.00 x 6.00 x 3.00 152 x 152 x 76
F66WN6 6.00 x 6.00 x 6.00 152 x 152 x 152
F88WN1 8.00 x 8.00 x 1.00 203 x 203 x 25
F88WN2 8.00 x 8.00 x 2.00 203 x 203 x 51
F88WN3 8.00 x 8.00 x 3.00 203 x 203 x 76
F88WN6 8.00 x 8.00 x 6.00 203 x 203 x 152
Certified by Canadian Standards Association.