| With 3/4 And 1/2 IN Conduit Knockouts |
| 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 |
| 85 lb per 100 |
| Side knockouts: (8) 1/2in, (4) 3/4 in |
| Bottom knockouts: (3) 1/2 in, (2) 3/4 in |
| Welded construction |
| Commercial product |
| 0.0625 in minimum thickness |
| AISI/SAE 1008 Steel |
