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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:
- Pink
- Product Material:
- Copper
Blackburn CSP10 – Frequently Asked Questions
1) What wire size does the Blackburn CSP10 compression splice take?
The CSP10 is sized for 1/0 stranded copper conductor, which is what the pink color code on the barrel identifies. Compression splices are die-specific, so the pink code is how you match the connector to the correct die nest in your crimp tool before you start.
2) Is the Blackburn CSP10 splice insulated, or do I have to tape or heat-shrink it?
It's a bare connector, no insulation on it. Copper barrel with a tin plated surface. Once it's crimped you rebuild the insulation yourself with tape, heat shrink, or a cold shrink kit rated for the circuit.
3) Can I use the CSP10 splice on medium voltage cable, or is it only for low voltage branch circuits?
The CSP10 carries a 35 kV voltage rating, so it is usable on medium voltage cable as well as low voltage work. It is UL listed under file E9809. At medium voltage the splice insulation and shielding rebuild is what governs the installation, not the connector rating.
4) Will the Blackburn CSP10 work on aluminum conductor?
No. The CSP10 is a copper connector, tin plated, and it is specified for 1/0 stranded copper. For aluminum or for an aluminum-to-copper transition you need a connector marked AL9CU or a dedicated aluminum splice, not this one.
5) What is a short barrel splice used for versus a long barrel?
Short barrel splices like the CSP10 take fewer crimps and occupy less length, which matters when you are splicing inside a crowded pull box, handhole, or gutter where you cannot get a full long barrel and the tool head into the space. Long barrel versions give more contact length for higher pull-out resistance in runs under mechanical strain. Both are copper compression splices; the choice is about the room you have and the strain on the joint.
6) I need the exact part number and UL file for a submittal on a Blackburn splice for 1/0 copper.
Manufacturer part number is CSP10, Blackburn brand, a copper compression splice for 1/0 stranded, rated 35 kV and UL listed under file E9809. Country of origin is Mexico.
7) Does the tin plating on the CSP10 matter for underground or wet-location splices?
It does. The tin plating over the copper barrel resists the oxidation and corrosion you get in damp vaults, handholes, and direct-buried splice locations, and it also helps when the barrel sits against dissimilar metals. It does not make the splice waterproof on its own, the insulating and sealing system you build over it does that.
How fast can I get the Blackburn CSP10 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 CSP10 come with a warranty?
Absolutely. The Blackburn CSP10 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 CSP10?
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