Add wiring space to ceiling or wall lighting installations with this steel extension ring for 4-inch octagon boxes. Its 1-1/2-inch depth provides 15 cu. in. of additional capacity, while concentric 1/2- and 3/4-inch combination knockouts accommodate conduit connections.

Specifications

Product Type Octagon box extension ring
Box Size 4 in.
Depth 1-1/2 in.
Capacity 15 cu. in.
Material Steel
Construction Welded
Colour Silver
Knockouts 4 concentric 1/2- and 3/4-in. combination knockouts
End Knockouts 2 × 1/2- and 3/4-in. combination
Side Knockouts 2 × 1/2- and 3/4-in. combination
Number of Gangs 1
Gangable No
Bracket None
Plaster Ears No
Raised Ground No
Wiring System Conduit
Location Rating Dry location
Certification CSA
Weight 0.36 lb
Pack Quantity 50
UPC 626463002247