Newsletters and publications: plumbing
UL technical knowledge is conveyed through various UL publications as well as outside trade and association journals. View product marking information and installation summaries (marking guides), past articles printed in IAEI Magazine and Electrical Contractors (EC) Magazine, the latest UL-IAEI inspector meeting report, and past issues of UL's newsletters The Code Authority, TCA: Electrical Connections, The Fire & Security Authority, and eInsights.
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