Solid Conductors Specified For Conduit Installation

[Wire-Smith]

What might the benefits be with using solid wire in conduit, I have came across it in an engineers specification for a commercial project.


Thanks

 

[jaggedben]

I don't know, but the NEC prohibits it for sizes larger than 10awg, if I recall the size correctly.

 

[Wire-Smith]

I don't know, but the NEC prohibits it for sizes larger than 10awg, if I recall the size correctly.

sorry, I should have specified, its just for small branch circuits #10 and smaller.

and it wasn't an option to use solid, it was specified to use only solid

 

[growler]

sorry, I should have specified, its just for small branch circuits #10 and smaller.

Solid is a little easier for some people to splice and terminate ( especially with switches and receptacles). So maybe they have experienced problems with stranded in the past.

 

[7635tools]

I know solid wire is preferred for fire alarm systems. Why? I don’t know. Solid wire sucks. Stranded is much easier to tuck into boxes. Some government agencies spec solid wire. Had a job years ago at a navy base where solid wire was specified. Pulling 10 solid sucks.


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[hbiss]

Usually because of the difficulty of termination on receptacles, switches and breakers. Hate to say it but I almost never pull stranded.

-Hal

 

[jaggedben]

...Stranded is much easier to tuck into boxes. ...

Really? I find the opposite. Solid stays put when you tuck it in. Stranded doesn't. But in my work I rarely have opportunities where it is practical and compliant to use solid.

 

[Jraef]

Seems to me this has been discussed here before. I remember being somewhat shocked that anyone would want to pull solid wire through conduit but it turned out to be more common than I would have thought.

PS: I think this was it.
https://forums.mikeholt.com/showthread.php?t=189099&highlight=Solid+wire+conduit

 

[infinity]

We still see this specified on some commercial jobs. IMO it's written by someone who has zero experience pulling solid #10's in a raceway. We only pull stranded and never have a problem due to it not being a solid conductor. I have yet to hear a valid reason to use solid #10 and IMO it's just plain dumb.