Does this exist?

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nhfire77

Senior Member
Location
NH
3/4" EMT box connector (set screw or compression) that has a 1/2" EMT threaded fitting.

For example I have a device's back box that has a 1/2" EMT threaded opening. The job spec calls for all 3/4" or larger. I do not want to transition in a J-box or C-body because its ugly. It's permissible on the job, but I want a cleaner look.

Any thoughts?
 

Dennis Alwon

Moderator
Staff member
Location
Chapel Hill, NC
Occupation
Retired Electrical Contractor
Personally I feel that a 1/2" KO negates the use of the 3/4" conduit. Can you change the box? I am sure there is a fitting out there but I don't know of any. Best I can think of is a short piece of 1/2" EMT with a connector on the end. Then use a 3/4" rigid coupling with a reducing bushing for 1/2" on one end.
 

iwire

Moderator
Staff member
Location
Massachusetts
3/4" EMT box connector (set screw or compression) that has a 1/2" EMT threaded fitting.

For example I have a device's back box that has a 1/2" EMT threaded opening. The job spec calls for all 3/4" or larger. I do not want to transition in a J-box or C-body because its ugly. It's permissible on the job, but I want a cleaner look.

Any thoughts?

Crouse-Hinds part number REA12

pdf page 7

http://www.crouse-hinds.com/catalog/PDFS/Section7F.pdf

That particular one may be pricey because it is listed for hazardous locations but I am sure other make them.
 

nhfire77

Senior Member
Location
NH
Personally I feel that a 1/2" KO negates the use of the 3/4" conduit. Can you change the box? I am sure there is a fitting out there but I don't know of any. Best I can think of is a short piece of 1/2" EMT with a connector on the end. Then use a 3/4" rigid coupling with a reducing bushing for 1/2" on one end.

The box is designed for the device, no changing it.

There are probably a dozen different ways to transition, I like your idea.

I was hoping what I posted about existed.

I thought I had seen it a long while back, I got the blank stare at the counter.
 

wireguru

Senior Member
it does exist, die cast 3/4" emt fitting, but the threaded part that goes into the box is 1/2" I have one sitting around somewhere. I cant remember the brand. You might want to poke around in the crappy fittings at homedepot, that might be where it came from.
 

nhfire77

Senior Member
Location
NH
it does exist, die cast 3/4" emt fitting, but the threaded part that goes into the box is 1/2" I have one sitting around somewhere. I cant remember the brand. You might want to poke around in the crappy fittings at homedepot, that might be where it came from.

So I wasn't hallucinating this time!

Anyone else see one?
 

cmreschke

Senior Member
sure it was an emt connector? the old cast set screw style flex connectors will fit a 3/4 emt and have 1/2 threads in it (it is a 1/2" flex connector)
 

wireguru

Senior Member
sure it was an emt connector? the old cast set screw style flex connectors will fit a 3/4 emt and have 1/2 threads in it (it is a 1/2" flex connector)


dont those have the setscrew at an angle? This fitting has the screw straight, and fits emt perfectly -i dont think 1/2in flex would fit in it.
 

kwired

Electron manager
Location
NE Nebraska
Is your 3/4 EMT existing? Otherwise why not run 1/2 inch? They shouldn't have given you a 1/2 inch hub if there were much possibility of needing larger than 1/2 inch for the conductors needed.
 

nhfire77

Senior Member
Location
NH
Is your 3/4 EMT existing? Otherwise why not run 1/2 inch? They shouldn't have given you a 1/2 inch hub if there were much possibility of needing larger than 1/2 inch for the conductors needed.

pulling one CAT 5 in 1/2" is tight, there is a big difference in 3/4". Plus the job specs are 3/4" minimum with a provision for a transition as "close as practical to the device" to 1/2"
 

WirenutNH

Member
Location
NH
We use a very similar unit, it has a 3/4" femalr thread on on end and 1/2" male thread on the other. North East electrical dist call them male enlargers but you will have to thread a emt connector into it
 
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