4" Round Ceiling Box -- 3KF29 [7120 from RACO]
from Grainger Industrial Supply

Thermoplastic Round Pancake Box, Supports Ceiling Fan up to 35 Pounds, Capacity 12.5 Cubic Inches, Ceiling Box With Clamps, Diameter 4 Inches, Depth 2 3/8 Inches [See More]

  • Shape: Round
  • Material: Thermoplastic
  • Depth: 4
Splice Closure USC 500 -- USC500-MCM-04-...
from HUBER+SUHNER AG

Equipped with an integrated fiber management for up to 48 splices, the USC 500 is ideal for trunk and local access networks where re-entry is required. The closure is supplied with 2 circular ports, an oval port for loop through applications and splice cassettes, which can accomodate different types... [See More]

  • Shape: Round
  • Mounting Type: Wall Mount
Round Junction Box
from CANTEX, Inc.

Round junction box, size 1/2 and 3/4 inch [See More]

  • Shape: Round Junction Box; Round
  • Mounting Type: Wall Mount
  • Material: PVC
  • Features: Screw-on Cover; Knockouts
LRT3
from RAB Lighting

Brass screws. Green hex slotted washer head ground screw in pre-tapped hole. Heavy die cast aluminum. Close-up plugs allow Phillips or slotted screwdrivers for easy installation. 1/8" thick weatherseal gasket is closed cell foam rubber for long lasting seal that won't crumble or break. Technical... [See More]

  • Shape: Round
  • Material: Aluminum
3" x 2" Switch Box, 3-1/2" Deep, Gangable, NMSC clamps, w/plaster ears and ground screw installed -- 601G
from RACO

Gangable switch box offers the option of constructing a box to hold two or more devices. Adjustable plaster ears allow box to be used in "old work" applications [See More]

  • Shape: Round
  • Material: Steel
  • Depth: 3.5