M MAN New member Apr 12, 2007 #1 Has anyone heard of a requirement for Tapered Threaded Coupling on RGS? Is this even available? I thought all Fitting where required to be tapered but coupling always were straight threads. Only champfered on the ends.
Has anyone heard of a requirement for Tapered Threaded Coupling on RGS? Is this even available? I thought all Fitting where required to be tapered but coupling always were straight threads. Only champfered on the ends.
infinity Moderator Staff member Location New Jersey Occupation Journeyman Electrician Apr 12, 2007 #2 Not unless you doing plumbing work. The requirement is for a 1 in 16 taper (3/4" taper/ foot). Look at 344.28.
Not unless you doing plumbing work. The requirement is for a 1 in 16 taper (3/4" taper/ foot). Look at 344.28.