1896 8 Nov. 2/7 Peter Schreve, a wealthy contractor,..was fined $50 Aug. 28 for violating the plumbing code.
1978 R. P. Singhal i. 13 Another thing you have to know about is the plumbing code applicable to your community.
2003 (Nexis) 1 Aug. 7 Philadelphia plumbing codes require drinking fountains in all places of public assembly.