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Hole Saw Size for Electrical Conduit Entrance
Printer friendly version| TRADE SIZE | RIGID CONDUIT | E.M.T. CONDUIT | GREENFIELD | L.T. FLEX |
| 1/2" | 7/8" | 3/4" | 1" | 1-1/8" |
| 3/4" | 1-1/8" | 1" | 1-1/8 | 1-1/4" |
| 1" | 1-3/8" | 1-1/4" | 1-1/2" | 1-1/2" |
| 1-1/4" | 1-3/4" | 1-5/8" | 1-3/4" | 1-7/8" |
| 1-1/2" | 2" | 1-7/8" | 2" | 2-1/8" |
| 2" | 2-1/2" | 2-1/8" | 2-1/2" | 2-3/4" |
| 2-1/2" | 3" | 2-7/8" | 2-7/8" | - |
| 3" | 3-5/8" | 3-1/2" | 3-5/8" | - |
| 3-1/2" | 4-1/8" | 4" | 4-1/8" | - |
| 4" | 4-5/8 | 4-1/2" | 4-5/8" | - |
| 5" | 5-3/4" | - | - | - |
| 6" | 6-3/4 | - | - | - |
For standard oil tight push button use 1-7/32 Knock out punch
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