SC Plumber Contractor Practice Questions - South Carolina Plumber Contractor Examination Exam

Solder used on copper water-distribution joints in a potable system shall comply with which requirement?

It shall contain not more than 8 percent lead, as formerly allowed for soil fittings. It shall be lead-free as defined for potable-water applications, with flux listed for potable copper joints. 50-50 tin-lead solder is acceptable if the joint is wiped clean. Any plumbing solder is acceptable below the first fixture branch.

Correct Answer:

It shall be lead-free as defined for potable-water applications, with flux listed for potable copper joints.

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