It is easy to put a 2-inch long piece of conduit that is less than half an inch in any cross-sectional measure into a half-inch conduit.
Tobias dahlgren
Meant to say "half inch Proof Coil vs half inch size BBB" anchor chain.
For a half-inch lag bolt, the recommended pilot hole size is typically 3/8 inch in diameter for softwood and 5/16 inch for hardwood. Drilling the proper pilot hole helps to prevent the wood from splitting and ensures easier insertion of the lag bolt. Always check the specific requirements of the bolt and the material being used for any variations.
A flat measuring 1 inch by 4 inches has an actual size of 1 inch in width and 4 inches in length. This means it has a rectangular shape with a total area of 4 square inches. The thickness of the flat is not specified, so it is typically considered to be negligible in this context unless otherwise indicated.
Actual hole size for 1 inch conduit is 1.362"
A trade size hole for a 2-1/2" EMT conduit connector, the hole needs to be 2-7/8" in diameter. A 3" rigid conduit can also use this size hole without the lock nuts falling into the hole.
4 inch rigid conduit
It is easy to put a 2-inch long piece of conduit that is less than half an inch in any cross-sectional measure into a half-inch conduit.
The recommended conduit size for accommodating 6 gauge wire is 1 inch.
For new 200 amp services the conduit size should be 3 inch PVC.
The appropriate conduit size for accommodating 6/3 wire is typically 1 inch in diameter.
The recommended PVC conduit size for accommodating a 6-3 wire is 1 inch.
For accommodating 4/3 wire, a 1-inch conduit size should be used.
The recommended conduit size for accommodating 6/3 wire is typically 1 inch in diameter.
For 10/2 wire, a 3/4 inch conduit should be used.
For 12/2 wire, a 1/2 inch conduit should be used.