• Features
With 3/4 And 1/2 IN Conduit Knockouts, Plenum Box
Boxes with concentric or eccentric knockouts are suitable for bonding without any additional bonding means where used in circuits above or below 250 Volts
Unless otherwise noted all concentric or eccentric knockouts are 1/2 - 3/4 in combinations
Single and double gang metallic outlet and switch boxes are acceptable for use in two-hour fire rated walls
Other boxes provided with flat ground tapped hole, except plenum boxes
84 lb per 100
Side knockouts: (8) 1/2 in, (4) 3/4 in
Bottom knockouts: (3) 1/2 in, (2) 3/4 in
Plenum Box
Without any holes and with reset knockouts
Commercial product
0.0625 in minimum thickness
AISI/SAE 1008 Stee