BrassMeIn.com: Hole Saw Size for electrical conduit entrance. Rigid Metal, EMt Greenfield and Liquid tight flex electrical conduit raceway"

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Hole Saw Size for Electrical Conduit


Clearance for nominal trade size connectors are the same as that for rigid conduit.
For standard oil tight push button use 1-7/32 Knock out punch
CLEARANCE
TRADE SIZERIGID CONDUITE.M.T. CONDUITGREENFIELDL.T. FLEX
1/2"7/8"3/4"1"1-1/8"
3/4"1-1/8"1"1-1/81-1/4"
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"4-5/84-1/2"4-5/8"-
5"5-3/4"---
6"6-3/4---


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