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AL SERV COMP SPLICE A:1-2 B:6 CVR
Manufacturer Resources
Product Specs
- Connection Type:
- Compression
- Country Of Origin:
- United States (US)
- Insulation Material:
- Cover acts as insulation
- Number Of Conductors:
- 2
- Product Group:
- Wire & Cable Management
- Product Type:
- Compression Splice Service Entrance
- Selling Unit Of Measure:
- each
- Standards:
- RUS Listed. Passes the Requirements of ANSI C119.4
- Type2:
- Wire or cable compression splice
- Department:
- Electrical
- Product Subgroup:
- Splices
- Product Size:
- 2 Inch
- Installation Category:
- None
Blackburn CSC71 – Frequently Asked Questions
1) What wire sizes does the Blackburn CSC71 service entrance splice take?
The CSC71 is a two-port service entrance compression splice: port A takes 1 through 2 AWG and port B takes 6 AWG. Those ranges come straight off the part designation (A:1-2 B:6), so it is meant for a run where a larger service conductor joins a smaller 6 AWG tap, not for two equal-size conductors.
2) Does the CSC71 splice come with an insulating cover, or do I have to tape it?
A cover is included (the CVR in the part description) and the cover is what provides the insulation on the finished splice. You still make a proper compression crimp first, but you do not need to build up tape or add a separate insulator to close the joint.
3) Can I splice two 1 AWG aluminum conductors together with the CSC71?
No. The CSC71 is a reducing splice, one side sized for 1 to 2 AWG and the other for 6 AWG only. Putting a 1 AWG conductor in the 6 AWG barrel will not accept the wire or crimp correctly. For two like-size conductors you need a straight splice with matching ranges on both ends.
4) Is the Blackburn CSC71 approved for utility and rural electric service work?
Yes. The CSC71 is RUS Listed and passes the requirements of ANSI C119.4, which is what most utilities and rural electric co-ops specify for service entrance connectors. Institutional and municipal spec writers asking for an ANSI C119.4 connector can cite this part directly.
5) Do I need a special crimp tool for the CSC71, or can I bolt it up?
This is a compression connection, not mechanical, so it must be crimped with a hydraulic or battery compression tool and the correct die. There are no set screws or bolts on it. If you want a connection you can make with a wrench instead, look for a mechanical set screw service splice rather than this CSC series part.
6) How is the Blackburn CSC71 sold, individually or in a bag?
It is sold each, one splice with its cover per unit, so order one per connection you are making. Part number is CSC71 for reorders and for matching what is already installed on a building's service.
7) Is the Blackburn CSC71 made in the USA for a Buy American job?
Country of origin on the CSC71 is the United States, which is what government, school, and public utility procurement usually needs documented on a domestic preference job.
How fast can I get the Blackburn CSC71 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 CSC71 come with a warranty?
Absolutely. The Blackburn CSC71 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 CSC71?
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