4" diameter, 1/2" deep, 5.0" cubic capacity

56111
Ceiling pan.
1/2" conduitknockouts (4).
Raised ground screw.

OBEX
Extension ring.

4" diameter, 1 1/2" deep, 15.0" cubic capacity

54151-1/2
1/2" conduit knockouts (6).
Concentric conduit knockouts (2).
Raised ground screw.

54151-K
Concentric conduit knockouts (6).
1/2" conduit knockouts (2).
Raised ground screw.
54151-L
Non metallic cable clamps.
1/2" conduit knockouts (3).
54151-LA
Armoured cable clamps.
1/2" conduit knockouts (3).

554151-LB
Side bracket with guides and picks.
Non metallic cable clamps. 1/2" conduit
knockouts (2).
54151-LHB
Nailing picks.
Non metalliccable clamps.
1/2 conduit knockout.
54151-MSB
Steel stud bracket and support.
Concentric and 1/2" conduit knockout (1).
Raised ground screw.
54151-MSBL
Steel stud bracket and support.
Non metallic cable clamps.
1/2" conduit knockout (1).
55151-K
Extension ring.
Concentric conduit knockouts (4).
4" diameter, 2 1/8" deep, 21.0" cubic capacity
54171-K
Concentric conduit knockouts (4).
1/2" conduit knockouts (4).
Raised ground screw.
54171-L
Non metallic cable clamps.
1/2" conduit knockouts (3).
54171-LB
Side bracket with guides and prongs.
Non metallic cable clamps.
1/2" conduit knockouts (2).
54171-LF
Ceiling fan box.
Non metallic cable clamps.
1/2" conduit knockouts (3).
54171-LHB
Nailing picks.
Non metallic cable clamps.
1/2 conduit knockout.
54171-MSB
Octagonal box.
Concentric and 1/2 conduit knockouts.
Raised ground screws.
55171-K
Extension ring.
Concentric conduit knockouts (2).
1/2" conduit knockouts (2).