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250-ft 10 / 3 / Romex SIMpull Solid Indoor CU NM-B W/G Individual pack ( By-the-roll )

Southwire 250-ft 10 / 3 / Romex SIMpull Solid Indoor CU NM-B W/G Individual pack ( By-the-roll )

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What size wire would I need to run a 30 amp rv outlet 120' underground


#8 wire since it's over 100' there's a voltage drop considered.

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I would recommend #8 copper conductors. If a cable, it should be UF. The number of conductors cannot be determined without knowing the desired voltage.

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Please consult with our team at cabletechsupport@southwire.com for further assistance.

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