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What are the permissible methods of wiring beneath attached backyard decks and fastening to the framing members? RNC, UF, etc.?

Thanks in advance,
Andy

I much prefer EMT. If you use RNC keep in mind that you may need expansion couplings, a major reason I don't use it for outside above ground runs of more than a few feet. UF will need to be protected if any of it is accessable.

-Hal