• Applications
  • Features
Electrical
To maintain plenum seal, grounding and box mounting holes are not provided; must use RACO gasketed plenum cover #762 to maintain air tight seal
Drawn construction
RACO® plenum boxes are used in above ceiling applications where airtight enclosures are required
To maintain plenum seal, both RACO® 226 and 239 do not provide ground screw holes
Side knockouts: (8) 1/2 in, (4) 3/4 in
Bottom knockouts: (3) 1/2 in, (2) 3/4
Bottom knockouts: (3) 1/2 in, (2) 3/4