These twist-on wire caps ensure a secure, reliable connection for all standard electrical and low-voltage applications. Engineered with a durable steel core and a UL94V-2 flame-retardant thermoplastic shell, they feature an internal spring design that grips wires tightly for a superior, long-lasting hold. Also features two wings for easier twist-on wire termination.
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Active Spring-Action Grip
An internal steel spring design actively bites into stripped wires as you twist, ensuring a highly secure connection that won't loosen under mechanical vibration or thermal expansion.
High-Heat & Flame Resistance
Encased in a rugged thermoplastic cover with a UL94V-2 flame rating, safely handling operating temperatures up to 105°C (221°F).
Fully Certified & Compliant
Meet safety and environmental standards, carrying UL, CSA, and RoHS certifications for peace of mind on regulated job sites.
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| Suitable wires |
| CN-MRW-YL-100 |
AWG Max. 3 #12 Min. 2 #18 JIS Max. 3 #3.5 Min. 2 #0.75 |
| CN-MRW-RD-100 |
AWG Max. 2 #8 Min. 4 #22 JIS Max. 2 #8 Min. 4 #0.5 |
| CN-MRW-GY-100 |
AWG Max. 3 #10 Min. 3 #14 w/1 #18 JIS Max. 3 #5.5 Min. 3 #2.0 w/1 #0.75 |
| CN-MRW-BL-100 |
AWG Max. 3 #8 w/1 #12 Min. 3 #12 JIS Max. 3 #8 w/1 #3.5 Min. 3 #3.5 |
| Physical Characteristics |
| Color |
Yellow |
Red |
Grey |
Blue |
| Outer Diameter |
18.2mm |
23mm |
25.5mm |
31.8mm |
| Inner Diameter |
9.8mm |
13mm |
14.9mm |
17.8mm |
| Height |
25.8mm |
31.8mm |
33.3mm |
40mm |
| Voltage Rating |
600V max. |
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| Temperature Rating |
105℃ (221℉) |
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| Material |
Steel with thermoplastic cover |
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| Flame Rating |
UL94V-2 |
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| Approvals |
| c(UL)us |
Compliant |
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| CSA |
Compliant |
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| Environmental |
| RoHS |
Compliant |
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| Packaging Information |
| Package Quantity |
100 |
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| Product Weight |
0.40 lbs |
0.65 lbs |
1.09 lbs |
1.70 lbs |