Ideal Wire-Nut® Wire Connectors

Easy and Safe Twist-On Wire Connector

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What's special about these Wire Nuts®?

  • They allow you to connect and twist together 2 wires of various sizes for a safe wire end termination
  • Fixed inner wire spring creates a secure thread that grips firmly onto the wires and prevents any disconnection
  • Positive grip provides more leverage and allows easy installation with a tool, or by hand
  • Available in 5 size-specific colors so you are able to easily identify which wire-nut is needed for your application
  • Click for More Features

Ideal Industries Wire-Nut connectors allow you to safely terminate low voltage wiring in a snap. The tough shell is rated for up to 221°F (105°C) and made of UL94V-0 material to self-extinguish in the event that a spark may break out.


ID-30-171 71B Wire-Nut® 71B® Wire Connector, 2 #22 to 2 #16 AWG wire combinations, 300 Volt max. Gray 1.6 lbs 1,000
ID-30-172 72B Wire-Nut® 72B® Wire Connector, 2 #22 to 3 #16 AWG wire combinations, 300 volt max. Blue 2.25 lbs 1,000
ID-30-173 73B Wire-Nut® 73B® Wire Connector, 1 #18 w/1 #20 to 4 #16 AWG wire combinations, 600 volt max. Orange 4 lbs 1,000
ID-30-174 74B Wire-Nut® 74B® Wire Connector, 2 #18 to 3 #12 AWG wire combinations, 600 volt max. Yellow 6.2 lbs 1,000
ID-30-176 76B Wire-Nut® 76B® Wire Connector, 2 #14 to 4 #12 AWG wire combinations, 600 volt max. Red 9.5 lbs 1,000



ID-30-905 Wire-Nut® Wire Connector Socket 59B Gray 1 0.15 lb
  • Can be removed and reused for circuit changes and maintenance
  • Covers a range of wire sizes from #22 to #8 AWG for use on multiple applications
  • Ideal for use in a variety of applications from 300V to 600V such as:
  • Meets the following certifications:
    • UL 486
    • CSA-C22.2 No. 188
  • Constructed of tough UL 94 V-0 rated material that can withstand up to 105° C (221° F)
  • Can be used with both stranded or solid wires for ultimate versatility


Wire Nut Drawing Dimensions


Model Color Volt AWG Range A B C D E
71B® Gray 300V #22 to #16 Min: 2 #22
Max: 2 #16
5/32" [4 mm] 1/4" [6.5 mm] 21/64" [8 mm] 11/64" [4.5 mm] 37/64" [15 mm]
72B® Blue 300V #22 to #14 Min: 2 #22
Max: 3 #16
11/64" [4.5 mm] 9/32" [7 mm] 25/64" [10 mm] 11/64" [4.5 mm] 45/64" [18 mm]
73B® Orange 600V #22 to #14 Min: 1 #18 w/ 1 #20
Max: 4 #16 w/ 1 #20
11/64" [4.5 mm] 11/32" [9 mm] 7/16" [11 mm] 5/16" [8 mm] 55/64" [22 mm]
74B® Yellow 600V #18 to #12 Min: 2 #18
Max: 4 #14 w/ 1 #18
1/4" [6.5 mm] 7/16" [11 mm] 35/64" [14 mm] 5/16" [8 mm] 61/64" [24 mm]
76B® Red 600V #18 to #10 Min: 2 #14
Max: 2 #10 w/ 2 #12
17/64" [7 mm] 17/32" [14 mm] 21/32" [17 mm] 17/64" [7 mm] 1-1/16" [27 mm]








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The IDEAL Wing Nut 452 Wire Connectors are made to accommodate from two to four wires ranging in size from 18 AWG to 10 AWG. These wing nuts are easy to use, have a square spring that helps secure them into place, and meet strict UL and CSA rating requirements.
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Designed to support either stranded or solid wires, SpliceLine? Wire Connectors save time by installing twice as fast as traditional butt splices.
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