Plenum Boxes and Covers

4" Square Plenum Extension Ring, 1-1/2" Deep - Drawn, W/Conduit KO's

SKU: 53151-SVT Model: 53151-SVT
Plenum extension rings are used in air-plenum wall or ceiling surfaces to install lighting fixtures, switches, receptacles or other outlet devices. Extension rings are added to junction boxes to increase wiring capacity and provide access for additional conduit runs and electrical wire.
$14.16 /EA
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Features & Benefits

  • Drawn construction with airtight knockouts
  • Bottom mounting slots allow a quick installation onto existing boxes
  • 53C1-VT Plenum Sealing Ring must be ordered separatly
  • UL, CUL, RoHS Compliant


Stock # 53151-SVT 53151-SVT
Model # 53151-SVT 53151-SVT
UPC # 785592531544 785592531544
Product Height 1.5 3.81 inch cm
Product Width 4.0 10.16 inch cm
Product Length/Depth 4.0 10.16 inch cm
Product Weight 0.18 0.08 lbs kg
Weight UOM LB LB
Box Depth 1-1/2" 1-1/2"
Color Silver Silver
Cubic Capacity 21.0 (344.1) 21.0 (344.1)
Knockouts (8) 1/2 in. and (4) 3/4 in. Knockouts (8) 1/2 in. and (4) 3/4 in. Knockouts
Special Features Air Tight Kncokouts Air Tight Kncokouts