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Manufacturer Resources
Product Specs
- Cable Size:
- 350 kcmil
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire Termination
- Product Type:
- Long Barrel
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Stud Size:
- 1/2 in
- Sub Brand Label:
- Blackburn
- Type2:
- Cable or wire lug
- Department:
- Electrical
- Product Subgroup:
- Lugs
- Product Color:
- Red
- Product Material:
- Copper
Blackburn CTL350L-12 – Frequently Asked Questions
1) What wire size does the Blackburn CTL350L-12 lug take?
The CTL350L-12 is sized for 350 kcmil copper conductor. It's a single-conductor compression lug, so one 350 kcmil cable per barrel, and the conductor has to actually be 350 kcmil, not a smaller cable pushed into an oversized barrel.
2) Can I use this copper lug on aluminum conductor?
No. The CTL350L-12 barrel is copper and it's a copper-only connector, so it should be crimped on copper conductor only. For aluminum or dual-rated work you need a lug marked AL9CU.
3) Why does this lug have a long barrel instead of a standard one?
It's a long barrel design, which gives room for two crimps on the 350 kcmil conductor instead of one. Electricians use long barrel lugs where the termination sees vibration or high pull-out load, such as feeder terminations and switchgear. A standard barrel lug takes a single crimp and is fine for lighter duty.
4) What does the red color band on the Blackburn CTL350L-12 mean?
Red is the die color code for this lug. The barrel is color coded red so the crimper operator can match the correct die set and confirm the right tool on inspection. Use the red die called for on the barrel stamp; a different die code will not give a listed crimp.
5) Is the CTL350L-12 a mechanical set screw lug or a crimp lug?
It's a compression (crimp) lug, not a set screw type. You'll need a hydraulic or battery crimper with the matching red-code die. If you don't have a crimper on site, a mechanical set screw lug rated for 350 kcmil copper is the alternative, tightened to the torque on its body.
6) Do Blackburn CTL350L-12 lugs come in packs or singly?
Sold each, so order one per termination. On a three-phase feeder with a neutral that's four per end, eight for both ends, plus whatever you need for the grounding conductor.
7) Where are Blackburn CTL350L-12 lugs made?
Manufactured in Mexico. Worth noting for public and federal jobs where country of origin has to be documented on the submittal.
How fast can I get the Blackburn CTL350L-12 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Blackburn CTL350L-12 come with a warranty?
Absolutely. The Blackburn CTL350L-12 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Blackburn CTL350L-12?
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