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The SOUTHWIRE/COLEMAN CABLE 63948421 is a 25-foot cut length of 10/3 non-metallic sheathed (NM-B) cable with ground, designed for residential and light commercial electrical wiring applications. This copper-conductor cable carries a 90 degrees Celsius temperature rating on its insulation, meeting standard requirements for branch circuit wiring inside walls, ceilings, and conduit-free dry locations. It is sold as a cut length roll and is installed by licensed electricians performing service upgrades, appliance circuits, and general branch circuit work where 10 AWG capacity is required.
10/3 NM-B with ground is commonly used for 240-volt branch circuits serving electric dryers, ranges, air conditioning equipment, and other double-pole loads in residential construction and remodel work. The 25-foot cut length suits shorter runs such as subpanel feeds to individual appliance outlets, dedicated circuit drops, or service panel tie-ins where a full spool is not needed. Package quantity is 5 rolls per package, making this practical for stocking on a service vehicle or job site.
Designed as a standard NM-B replacement and new-installation cable for residential branch circuits requiring 10 AWG three-conductor wiring with ground, compatible with standard residential panels and breaker configurations accepting 10 AWG copper conductors.
Installation of NM-B cable must be performed by a licensed electrician in accordance with NEC Article 334 and all applicable local electrical codes. Always de-energize the circuit and verify zero voltage at the panel before making any connections. NM-B cable is rated for dry, interior locations only and must not be used in wet, damp, or direct-burial applications. Secure and protect cable runs per NEC stapling and protection requirements to prevent physical damage.
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