Romex Connector Size Chart
Explore different types of plastic and metal NM-B Romex connectors, with installation tips, sizes, and criteria for choosing. Understanding the different Romex wiring colors and gauges is crucial for both professional electricians and DIY enthusiasts. Romex comes in several sizes, and like other electrical conductors is measured in American Wire Gauge (AWG).
Common residential sizes are 14 AWG, 12 AWG and 10 AWG, but larger sizes exist up to 2 AWG (the larger the AWG, the smaller the wires). See Table 1 for dimensions. Conductor: Bare copper per ASTM B3.
Sizes #14 AWG - #10 AWG are solid. Sizes #8 AWG - #2 AWG are Class B compressed stranded per ASTM B8. 14/2 White Romex Brand SIMpull NM-B Cable 15 ft 28827426 25 ft 28827421 50 ft 28827422 100 ft 28827428 250 ft 28827455 1000 ft 28827401
This comprehensive guide provides complete Romex wire sizing charts, explains how to choose the correct size for any application, covers ampacity ratings, voltage drop calculations, and helps you avoid common sizing mistakes. We will explain in detail how to interpret specifications and dimensions, understand Romex house wire color coding, and choose the cable that best suits your needs. Romex connector used to secure connection of flexible cables or NM-B cable box.
Connectors include three drive screws Robertson / Star / slot. o m. Explore our detailed Romex connector size chart to match sizes with cable gauges.
Click to find the right fit for your project and ensure safe, reliable connections. Below is a Romex wire size chart that shows the different wire sizes, their respective ampacity (maximum current the wire can safely carry), and typical applications: