Knockout Size Chart
https://home4c.com/rigid.html
Conduit Fill
- 1" conduit can handle 3 2 gauge wires [1]
- How many wires can a 1" adapter hold?
- This table says 5 gauge 2 wires in EMT of 1" [2]
- Table for conduit size to 1.5" - 37 wires of 10 gauge, 61 of 12 ga [3]