NV C-1K Industrial Piping Practice Questions - Nevada C-1K Industrial Piping Contractor Examination Exam

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A copper industrial potable-water line is joined to a galvanized-steel header. Per 2018 UPC Chapter 6, the dissimilar-metal joint shall:

Be made with a dielectric union or other approved insulating fitting Be sweated directly copper-to-steel so the solder isolates the metals Use a steel coupling and extra pipe dope Be omitted; copper may never connect to steel under the UPC

Correct Answer:

Be made with a dielectric union or other approved insulating fitting

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