50 Feet 12/3 NM-B Copper Wire for Electricians

The 12/3 NM-B (nonmetallic-sheathed) cable is designed for versatility in both exposed and concealed installations within standard dry environments, provided that the temperature does not exceed 90°C. It is important to note, however, that the cable's ampacity is limited to that of 60°C conductors, as stipulated by the National Electrical Code.

Primarily, NM-B cable is utilized for residential wiring, where it functions as branch circuits connecting sockets, switches, and a variety of other electrical loads. Its installation is permissible in the air spaces of masonry block or tile walls, as long as these structures remain dry and free from moisture.

The voltage rating for NM-B cable is set at 600 volts, ensuring compatibility with most residential electrical systems. This product adheres to several important standards, including ASTM B-3 and B-8, alongside the Federal Specification A-A-59544, and complies with the National Electrical Code (NFPA 70), as well as environmental regulations such as REACH and RoHS.

In summary, the 12/3 NM-B cable is an essential component in safe and effective residential electrical systems, meeting rigorous industry standards while offering flexibility in installation.

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