NV C-37A Solar Water Heating Practice Questions - Nevada C-37A Solar Water Heating Contractor Examination Exam

Outdoor solar collector piping insulation must be protected from ultraviolet light by which method?

Leaving the foam bare so it can dry after rain Painting closed-cell foam with leftover latex wall paint only A UV-resistant jacket, cladding, or insulation listed for outdoor exposure Wrapping the pipe in polyethylene vapor-barrier film only

Correct Answer:

A UV-resistant jacket, cladding, or insulation listed for outdoor exposure

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