All Building Materials

52151-K - 1 1/2" - Deep Square Shallow Junction box w/knocouts

52171-K - 2 1/8" Deep Square junction box w/knockouts

53151-K - 1 1/2" Deep Square box extension w/knockouts

53171-ER - 2 1/8" Deep Square extension box w/knocouts

53171-K - 2 1/8" Deep Square extension box w/knocouts

72171-K - 2 1/8" Deep Square extension box 4 11/16'' Square w/knockouts

72171-1 - 2 1/8" Deep Square box with 1" Knockouts

73151-K - 1 1/2" Deep Square extension box 4 11/16'' Square w/knockouts

73171-K -2 1/8" Deep Square extension box 4 11/16'' Square w/knockouts

1110-HV - 1-7/8" Deep Utility Box w/knockouts

1204-1-HV - 2½ Deep Gangable Box w/mounting ears & Knockouts

1204-2-HV - 2½" Deep 2 gang Box w/mounting ears & knockouts