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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 1CA – Frequently Asked Questions
1) What wire sizes does the Blackburn 1CA split bolt connector take?
The 1CA split bolt covers a run range of 1/0 stranded down to 2 solid, so it will tap conductors anywhere in that band. Anything larger than 1/0 or smaller than 2 AWG solid needs a different size in the split bolt line.
2) Is the Blackburn 1CA rated for aluminum conductors or copper only?
The body is aluminum, which is what makes it suitable for aluminum-to-aluminum and aluminum-to-copper work rather than a copper-only tap. It is a mechanical connector, so the conductors are clamped between the bolt and nut, not crimped or welded.
3) What is the spacer on the 1CA split bolt for?
The 1CA ships with a spacer (the W/SP in the part description). The spacer sits between the two conductors inside the bolt so the run and tap stay separated and the pressure is applied evenly when you torque the nut down. It comes with the connector, so nothing extra to order for that.
4) Should I use a split bolt like the 1CA or a compression tap for a service tap?
A split bolt is the mechanical route: you land the run and tap in the bolt, drop the spacer between them, and torque the nut, so no dies, no press, and it can be taken apart later for rework. A compression tap is a permanent one-shot connection and needs the matching crimp tool and die. For aluminum conductors in the 1/0 stranded to 2 solid range where you may need to re-enter the splice, the 1CA is the straightforward choice. Either way the finished splice needs insulating tape or a cover, which is not part of the connector.
5) Do split bolt connectors get sold in packs, or can I buy one 1CA?
Sold each, so you can order a single 1CA or as many pieces as the job calls for rather than a bagged quantity.
6) Where is the Blackburn 1CA made?
Country of origin on the 1CA is Mexico. Useful if you are filing origin documentation on a government or institutional purchase.
How fast can I get the Blackburn 1CA 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 1CA come with a warranty?
Absolutely. The Blackburn 1CA 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 1CA?
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 1CA 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.