Plenum Boxes and Covers

4 Square Chicago Plenum Air Tight Extension Ring, 2-1/8 in. Deep, 1/2 & 3/4 in. Knockouts

SKU: 53171-SVT Model: 53171-SVT
Chicago Plenum, 2-1/8 in deep, 4 in square drawn extension rings with air tight (8) 1/2 in & (4) 3/4 in conduit knockouts are added to Chicago plenum junction boxes to increase wiring capacity and provide access for additional conduit runs and electrical wire. Garvin Industries' extension rings prevent the need to remove old conduit boxes and wiring from circuits when additional wiring space is needed. Bottom mounting slots allow a quick installation onto existing boxes.
$20.34 /EA
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Features & Benefits


Stock # 53171-SVT 53171-SVT
Model # 53171-SVT 53171-SVT
UPC # 785592531667 785592531667
Product Height 2.13 5.41 inch cm
Product Width 4.0 10.16 inch cm
Product Length/Depth 4.0 10.16 inch cm
Product Weight 0.63 0.29 lbs kg
Weight UOM LB LB
Knockouts (8) 1/2 in. and (4) 3/4 in. Side Knockouts (8) 1/2 in. and (4) 3/4 in. Side Knockouts
Special Features Air Tight Knockouts Air Tight Knockouts