Switch Box, -1/2 In. Knockouts, 3 x 3-1/2 In. Deep – 8590 Switch Box, -1/2 In. Knockouts, 3 x 3-1/2 In. Deep - 8590. 3" x 3-1/2" deep switch box, ears, 1/2" knockouts. Ears, 1/2" Knockouts. byJuly 4, 2026
