Can a junction box be used as a receptacle box....

[K8MHZ]

4 in. Square Cover, 1-Device, 1/4 in. Raised | 771 | Raco

4 in. Square Cover, 1-Device, 1/4 in. Raised

www.hubbell.com

This would work!!

 

[K8MHZ]

It doesn't say "only."

I think that is inferred since they have a raised version (771) as has been pointed out.

 

[Coppersmith]

Sometimes you just run out of RS covers on the truck.

 

[tom baker]

I have used flat 4S covers that have receptacle 6-32 holes, typically for T stats

 

[hbiss]

I have used flat 4S covers that have receptacle 6-32 holes, typically for T stats

I have used them for that and any other device that can't be accommodated by an RS or "Austin" cover for exposed work.

-Hal