Silver,
As far as I know Romex is accepted in all of Suffolk. Nassau may have some pockets where it is not. I am not familiar with all those areas' rules and regs.
Sparky,
I'm not totally following you there but can you use a 4 x 4 (side strap) or a 2 Gang/4 x 4 (nail-on) pvc with a mud ring?
Bill
