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Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire & Cable Management
- Product Type:
- Short Barrel Copper Splice
- 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:
- Splices
- Product Color:
- Black
- Product Material:
- Copper
Blackburn CSP20 – Frequently Asked Questions
1) What wire size does the Blackburn CSP20 copper splice take?
The CSP20 is sized for 2/0 stranded copper conductor. It is a compression splice, so both conductor ends go into the barrel and get crimped with a compression tool; it is a single-size connector, not a range-taking mechanical lug, so 2/0 stranded is what belongs in it.
2) Can the CSP20 splice be used on medium voltage cable?
Yes. The CSP20 carries a 35 kV voltage rating, which covers primary medium voltage feeder splicing as well as anything at 600 V. It is UL recognized under file E9809.
3) Can I use the CSP20 to splice aluminum conductor to copper?
No. The CSP20 is a copper-bodied splice for copper conductor. For aluminum or an aluminum-to-copper transition you need a connector rated AL9CU or an aluminum-bodied compression splice, not this one.
4) Is the Blackburn CSP20 splice tin plated, and does that matter for direct burial or damp locations?
The barrel is copper with a tin plated surface finish. Tin plating is what you want where the splice sits in a damp vault, a manhole, or direct contact with dissimilar metals, since it slows oxidation on the copper and keeps the crimped interface stable.
5) Why is the CSP20 a short barrel splice instead of a long barrel one?
Short barrel means fewer crimps and a more compact finished joint, which is what you need when the splice has to fit inside a tight enclosure, a cramped pull box, or under a molded or taped medium voltage splice kit where overall length is limited. If you have room and want the longer crimp pattern, a long barrel splice of the same conductor size is the alternative.
6) Does the Blackburn CSP20 come as a single piece or in a bag?
It is sold each, as a single splice, so order one per joint. Nothing else is included, so the compression tool, the correct die for the barrel, and any insulating tape or splice kit are separate.
7) What is the exact part number and where is the Blackburn CSP20 made?
The manufacturer part number is CSP20, a Blackburn tin plated copper short barrel splice, finished black, and it is produced in Mexico.
How fast can I get the Blackburn CSP20 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 CSP20 come with a warranty?
Absolutely. The Blackburn CSP20 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 CSP20?
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