Q. Are you required to bond isolated sections of metal water pipe that are connected to a nonmetallic water piping system? A. No. An isolated section of metal pipe is not a metal water piping system.

All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as 120/240V, 120/208V, ...

I last blogged about CSST bonding nearly three years ago. There have been a few changes to CSST bonding rules since then, and there is still a lot of bad information circulating about CSST bonding and ...

ONTARIO, CA — IAPMO® has published the 2027 editions of the Uniform Plumbing Code® (UPC) and Uniform Mechanical Code® (UMC), completing the latest three-year American National Standards Institute ...