
Southwire 75-ft 6 / 3 / Romex SIMpull Stranded Indoor CU NM-B W/G Individual pack ( By-the-roll )
What size staple should be used to secure this to the underside of floor joists?
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Hello and thank you for your question. It is recommended to use 1¼-inch to 1½-inch insulated staples rated for 6/3 NM-B cable. If you have any additional questions or feedback, please reach out to us at consumersupport@southwire.com.
Was this Answer Helpful ? A 1" staple should work just fine, but I would recommend installing this cable through holes bored in the floor joists.
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