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250-ft 10 / 2 / Romex SIMpull Solid Indoor CU NM-B W/G Individual pack ( By-the-roll )

Southwire 250-ft 10 / 2 / Romex SIMpull Solid Indoor CU NM-B W/G Individual pack ( By-the-roll )

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Can this be connected to a boiler?


Hi, happy to help! Yes—10/2 NM‑B can be used for many boilers, because boilers commonly require a 120V or 240V 15–30A branch circuit, and 10/2 NM‑B is rated 30A per NEC ampacity for NM‑B conductors. Always confirm the boiler’s nameplate amperage to ensure the circuit matches the equipment requirements. If we can help in any other way, please reach out to us at consumersupport@southwire.com.

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I don't know why not, but there are a couple questions you should ask yourself first. Is this a gas or electric boiler? What is the electrical requirement for the boiler? Will this cable be powering the boiler or just be for control power? I would recommend you get professional assistance with your project.

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Yes, most water heaters can be wired with 10-2 NM-B cable as long as the wattage does not exceed 5,760 watts.

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