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B-CAP® Wire Connectors



Wire Combination Range 

Wire Combination Range (mm) 


Cat. No.



22 to 10 AWG

Min. 3 #20

Max. 3 #12


,34mm2 to 6,0mm2

Min. 3-,5mm2

Max. 3-4,0mm2

Box of 100


Jar of 250


Jar of 500


Bag of 500




22 to 8 AWG

Min. 2 #18

Max. 5 #12


 ,34mm2 to 10,0mm2

Min. 2-,75mm2

Max. 5-4,0mm2

Box of 100


Jar of 350


Jar of 500


Bag of 500




14 to 6 AWG

Min. 2 #12

Max. 2 #6


2,5mm2 to 16,0mm2

Min. 2-4,0mm2

Max. 2-16,0mm2

Box of 25


Carton of 250



14 to 10 AWG

Min. 2 #14

Max. 5 #12

2,5mm2 to 6,0mm2

Min. 2-2,5mm2

Max. 5-4,0mm2

Box of 50


Carton of 250


*1,000V maximum in fixtures and signs

Low profile to get you into tight spaces.

The B-CAP® Wire Connector gets you in those hard-to reach spots comfortably, especially when you’re retrofitting or updating. Slim, classic fins and an expanding interior spring give the B-CAP® a secure grip with extra leverage, making it the most compact connector on the market for up to 5 #12 (Red Model B2).

The unique, space-saving profile of the B-CAP® makes it perfect for retrofit work and shallow boxes.

The B-CAP® also features a tough, flame-retardant shell that withstands environmental extremes with a deep skirt that provides maximum dielectric protection to prevent flash-over and turned-back strands. Additionally, the B-CAP® can be removed for repeat usage on the same size or larger wire combinations.

Three color-coded models handle from #20 gauge wire to #6 gauge wire.

B-Cap Chart

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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