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250-ft 12 / 2 / Romex SIMpull Solid Indoor CU NM-B Individual pack ( By-the-roll )

Southwire 250-ft 12 / 2 / Romex SIMpull Solid Indoor CU NM-B Individual pack ( By-the-roll )

4.7
2817
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Can this be used for a 25,000 btu window unit A/C? If not, what wire and circuit are required?


Hello, and thank you for your question. No — Southwire 12/2 NM‑B (Model #28828269) cannot be used for a 25,000 BTU window A/C unit. A unit that large requires a much larger circuit than 12‑gauge can safely support. If you have any additional questions or feedback, please reach out to us at consumersupport@southwire.com.

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Check the manufacturer's installation instructions for your answer.

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You might get away with it on a short run. What is the amperage draw? If you post the amps (starting) and length of the run (panel to outlet) you will get a better answer.

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