Boxes, General Purpose, Multigang Switch Box, Appleton, Type: 1-7/8" Deep with Knockouts, Three Gang 8-5/8" Wide, Welded, Dimensions: 8-3/4"x4-9/16", Volume: 65 Cubic Inch, Side Knockouts: 6@1/2", 4@Eccentric, Bottom Knockouts: 3@1/2", 2@3/4" UL Standard: