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Wire-Nut® Wire Connectors

Features
 
Model Wire Combination Range Wire Combination Range (mm) Quantity Part No.
71B®

300V

22 to 16 AWG

Min. 2 #22

Max. 2 #16

300V

,34mm2 to 1,5mm2

Min. 2-,34mm2

Max. 3-1,5mm2

Box of 100 30-071
Keg of 25,000 30-271

 72B®

300V

22 to 14 AWG

Min. 2 #22

Max. 3 #16

300V

,34mm2 to 2,5mm2

Min. 2-,34mm2

Max. 3-1,5mm2

Box of 100 30-072
Keg of 10,000 30-272
Barrel of 85,000 30-872
73B®

600V*

22 to 14 AWG

Min. 1 #18 & 1 #20

Max. 2 #14

600V*

,34mm2 to 2,5mm2

Min. 1-,75mm2 w/1-,50mm2

Max. 4-1,5mm2 w/1-,50mm2

Box of 100 30-073
Jar of 300 30-073J
Bag of 500 30-273
Keg of 10,000 30-673
Barrel of 50,000 30-873

74B®

600V*

18 to 12 AWG

Min. 2 #18

Max. 4 #14 & 1 #18

600V*

,75mm2 to 4,0mm2

Min. 2-,75mm2

Max. 4-2,5mm2 w/1-,75mm2

Box of 100 30-074
Jar of 175 30-074J
Bag of 500 30-274
Keg of 5,000 30-674
76B®

600V*

18 to 6 AWG

Min. 2 #14

Max. 4 #12

600V*

,75mm2 to 16,0mm2

Min. 2-2,5mm2

Max. 2-4,0mm2

Box of 100 30-076
Jar of 150 30-076J
Bag of 250 30-276
High-Temp Wire-Nut® Wire Connectors

Model

 Wire Combination Range

Wire Combination Range (mm)

Quantity

Part No.

71B®

300V

22 to 16 AWG

Min. 2 #22 Str

Max. 2 #16

300V

,34mm2 to 1,5mm2

Min. 2-,34mm2

Max. 2-1,5mm2

Box of 100 30-3627
Keg of 25,000 30-251

72B®

300V

22 to 14 AWG

Min. 2 #22

Max. 3 #16

300V

,34mm2 to 2,5mm2

Min. 2-,34mm2

Max. 3-1,5mm2

Box of 100 30-3628
Keg of 10,000 30-252

73B®

600V*

22 to 14 AWG

Min. 1 #18 w/1 #20

Max. 2 #14

600V*

,34mm2 to 2,5mm2

Min. 1-,75mm2 w/1-,50mm2

Max. 4-1,5mm2 w/1-,50mm2

Box of 100 30-3629
Keg of 10,000 30-253
Barrel of 50,000 30-803

59B™

600V*

22 to 12 AWG

Min. 2 #20

Max. 3 #14

600V*

,34mm2 to 4,0mm2

Min. 2-,5mm2

Max. 3-2,5mm2

Box of 100 30-059
Keg of 5,000 30-259

*1,000V maximum in fixtures and signs

The connector that started it all, an American Classic.

The IDEAL Wire-Nut® Wire Connector set new standards for innovation, quality and convenience when it was first introduced in 1928. As the first screw-on wire connector in America, it literally set the industry standard for years to come.

With a fixed, square-wire spring and a positive grip shell, the Wire-Nut® is perfect to twist-on with fingers for a secure connection that will last. The refined wire range makes it the best choice for fine stranded wire applications. The Wire-Nut® also features a tough, flame-retardant thermoplastic shell that withstands environmental extremes and is reusable for easy circuit changes and addition.

With five color-coded models available, Wire-Nut® Wire Connectors will handle any job from as small as #22 gauge wire up to #6 gauge wire.

Additionally, Models 71B®, 72B®, and 73B®, in both color or black high-temp, are the only twist-on wire connectors rated for use in Air Handling Spaces. These connectors can be used on Class 2 or low-voltage connections inside plenums, ducts, and other environmental air handling spaces without the need for a box.

The black high-temperature models are designed to withstand the extreme heat build-up found in high-wattage light fixtures and signs.

Wire-Nut Chart

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Q: What does the Air Space Handling Rating mean?

A: Connectors with this rating (IDEAL Models 71B®, 72B®, 73B® - both standard and High-Temp) can be installed on Class 2 or low-voltage connections inside plenums, ducts, and other spaces used for environmental air handling  – such as the space above a drop ceiling or below a raised flooring system – without enclosing the connection within an electrical box.

No more than 24 connectors are to be installed within one 20-foot square suspended ceiling grid area.

Q: Can IDEAL Wire Connectors be used on DC voltage?

A: IDEAL Wire Connectors are listed to UL 486C. The standard does not differentiate between AC or DC voltage; and therefore IDEAL Twist-on Wire Connectors are acceptable for use with either AC or DC voltage.

Q: What is the amperage rating for wire connectors?

A: The maximum ampacity of a wire connector correlates to the maximum ampacity of the conductors being used in the combination. The ampacity of the conductor is determined by the gauge of the conductor combined with the ambient temperature and the jacket type of the conductor. The table for Allowable Ampacities of Insulated Conductors (Table 310.15(B)(16)) can be found in the National Electric Code under Article 310 – Conductors for General Wiring.

For example, a 12-AWG THHN copper conductor has a maximum amperage rating of 30 amps at 90C (194F). A wire connector with a maximum range of 12-AWG conductors would also have a maximum amperage rating of 30 amps.

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