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AL SPLITBOLT CONN W/SP 1STR-4SLD
Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire & Cable Management
- Product Type:
- Split-Bolt
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Type2:
- Mechanical connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Color:
- Metallic
- Product Material:
- Aluminum
Blackburn 2CA – Frequently Asked Questions
1) What wire sizes does the Blackburn 2CA split bolt connector take?
The Blackburn 2CA is rated for a run of 1 AWG stranded down to 4 AWG solid, so it covers the common feeder and grounding electrode conductor sizes in that band. Outside that range the tap wire either won't seat under the bolt or won't be gripped tight enough to hold a reliable connection, so step to a different catalog number for larger or smaller conductors.
2) Can I use an aluminum split bolt connector like the 2CA on copper wire?
The 2CA body is aluminum, which is why it is listed as an AL connector. Aluminum-bodied split bolts are the ones used on aluminum conductors and on aluminum-to-copper taps; tin-plated copper or bronze split bolts are the ones intended strictly for copper-to-copper work. Match the connector body to the conductor metal you are joining, and use the appropriate compound on aluminum.
3) What does the W/SP in the 2CA description mean, and is the spacer included?
W/SP means the split bolt ships with its spacer, the small separator that sits between the two conductors inside the bolt. It keeps the run and tap wires apart and forces the clamping pressure onto each conductor instead of letting them cross. Nothing extra to order for it, and don't leave it out when you make up the connection.
4) Is the Blackburn 2CA a UL listed connector for inspection?
It carries UL file E9809, which is the reference an inspector or a spec reviewer will want to see for the mechanical connector. That matters on institutional and government jobs where every connector in a pull box has to trace back to a listing.
5) Do I need a crimp tool for the 2CA, or is this a bolt-on connection?
No tooling beyond a wrench. The 2CA is a mechanical connector, a split bolt you seat the conductors into and tighten down, which is why electricians reach for it on service and repair work where dragging a hydraulic crimper and the right die set into a box isn't practical. Compression lugs and C-taps are the alternative when the spec calls for a crimped, irreversible connection.
6) Does the 2CA split bolt need to be taped or insulated after I make the tap?
Yes. The 2CA is a bare metallic aluminum connector with no insulation of its own, so any tap made in an energized circuit has to be insulated afterward, typically with rubber splicing tape built up over the bolt and then vinyl tape, or with a molded split-bolt cover. On grounding and bonding connections that stay bare, no covering is required.
7) Is the Blackburn 2CA sold individually or in a bag?
Priced and sold each, so you order the exact count the job needs rather than a fixed carton. Useful for MRO stock where you are replacing one or two taps at a time. Part number is 2CA.
8) Where is the Blackburn 2CA connector made? I have a domestic sourcing requirement.
Country of origin is Mexico. If your contract carries a Buy American or domestic-content clause on electrical materials, that will rule the 2CA out and you'll need a connector with a stated US origin instead.
How fast can I get the Blackburn 2CA delivered?
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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 2CA come with a warranty?
Absolutely. The Blackburn 2CA 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 2CA?
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