Nov 5, 2023 · This wire nut size chart can help you choose a wire nut of the right color and size for your next electrical project.

Wire nut color codes are designed to indicate compatibility with wire gauge ranges and the number of wires. Choose a color that aligns with the specifications of your project (refer to the wire nut’s packaging or chart).

WIRE RANGE CHART WIRE RANGE CHART WIDEST RANGE IN THE INDUSTRY WIDEST RANGE Twister® 340™ Orange Min. 2 #22 Max. 3 #12 341® Tan Min. 3 #22 Max. 3 #10 342® Gray Min. 3 #14 Max. 2 #8 w/2 #12 Twister® 340™ Orange Min. 2 #22 Max. 3 #12 341® Tan Min. 3 #22 Max. 3 #10 342® Gray Min. 3 #14 Max. 2 #8 w/2 #12 Wire-Nut®

With five color-coded models covering a range of wires from #22 to #6 AWG, the Wire-Nut® Wire Connector is the all-around twist-on you can count on. MAX. 4 #12 Yellow and red Wire-Nut® Wire Connectors can easily be applied using the line of MIN. 2 #18 Twist-a-Nut® Screwdrivers. MAX. 4 #14 w/1 #18. *1,000 Volts signs and fixtures.

Mar 5, 2025 · Picking the right wire nut is crucial for safe, reliable electrical connections. This comprehensive guide covers everything from understanding wire gauge to troubleshooting, empowering you to tackle wiring projects with confidence. Wire gauge (AWG – American Wire Gauge) indicates wire thickness.

Feb 27, 2024 · Marrette 31 Black is approved for circuits up to 600V, and lighting fixtures and signs up to 1000V. Internal conical spring design multiplies the “twist-on” torque applied by the leverage and wedge action, to firmly crush wires into a solid joint.

Jun 4, 2024 · Choosing the right size of wire nut is essential when trying to make sure that electrical connections are safe, reliable, and efficient. The purpose of this guide is to give a broad explanation of what affects choosing the correct size for wire nuts.

Nov 11, 2024 · Standard wire nuts come in five main sizes, which are usually color-coded to show the ranges of wire gauges— or wire thicknesses, measured in AWG— that they can be used for. Bigger wire nuts can also be used for wires that carry higher voltages, or more power.

Feb 25, 2025 · Wire nuts are colorful caps that screw onto the ends of electrical wires. They allow you to connect two or more electrical wires when installing a light fixture or other electrical feature. Wire nuts come in different color-coded sizes to accommodate different gauges of wire.

Jul 26, 2024 · Wire nuts are small, twist-on caps that join two or more wires together in an electrical connection called a splice. Every light, receptacle and appliance in your home relies on a splice, so it’s important they be strong and safe .