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Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Insulation Material:
- None
- Product Group:
- Wire & Cable Management
- Product Type:
- Splice Connector
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Sub Brand Label:
- Blackburn
- Surface Finishing:
- Tin Plated
- Type2:
- Wire or cable compression splice
- Voltage Rating:
- 35 kV
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Color:
- Green
- Product Material:
- Copper
Blackburn CU600 – Frequently Asked Questions
1) What conductor size does the Blackburn CU600 compression splice take?
The CU600 is sized for 600 kcmil copper conductor, which is what the 600 in the catalog number refers to, and it carries the green die color code used to match the crimp die to the connector.
2) Is the Blackburn CU600 splice insulated, or do I still have to tape or heat-shrink the joint?
It ships bare. The CU600 has no insulation on it, so the finished crimp has to be insulated in the field, with tape, heat-shrink, or a cold-shrink kit rated for the circuit you are splicing.
3) Can I use the Blackburn CU600 on medium voltage cable?
Yes. The CU600 copper compression splice carries a 35 kV rating, so it is suitable for medium voltage splicing as well as 600 V work, provided the joint is insulated and shielded to suit the cable system.
4) Will the Blackburn CU600 work on aluminum conductor?
No. The CU600 is a copper-bodied splice made for copper conductor only. For aluminum or for an aluminum-to-copper joint you need a connector specifically listed AL9CU or for aluminum service.
5) Does the Blackburn CU600 splice carry a UL listing for inspection?
It is covered under UL file E9809, which is the reference an inspector or spec writer will want for the compression splice on the submittal.
6) What does the long barrel on the Blackburn CU600 mean for crimping?
A long barrel splice takes more crimps per side than a standard barrel, giving more contact length on the conductor. Follow the connector maker's crimp count and die chart for the green code rather than guessing at the number of compressions.
7) Why is the Blackburn CU600 tin plated if it is a copper connector?
The tin plating over the copper barrel slows oxidation on the contact surfaces and at the conductor interface, which matters in damp vaults, underground pull boxes, and outdoor enclosures where a bare copper joint would corrode.
8) Is the Blackburn CU600 sold individually or in a bag?
It is sold each, so quantities on an order are single connectors. Count both ends of every splice when ordering for a pull.
How fast can I get the Blackburn CU600 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
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 CU600 come with a warranty?
Absolutely. The Blackburn CU600 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 CU600?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Blackburn CU600 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.