| With 1/2 and 3/4 IN Conduit Knockouts, 1-1/2 IN Deep |
| 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 |
| 52 lb per 100 |
| Side knockouts: (4) 3/4 in |
| Bottom knockouts: (3) 1/2 in, (2) 3/4 in |
| Commercial product |
| 0.0625 in minimum thickness |
| AISI/SAE 1008 Stee |
