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H-STRNGTH SPLITBLT CONN 4STR-8SLD
Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire & Cable Management
- Product Type:
- Split-Bolt
- Selling Unit Of Measure:
- each
- Type2:
- Mechanical connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Color:
- Metallic
- Product Material:
- Bronze Alloy
Blackburn 3H3 – Frequently Asked Questions
1) What wire sizes does the Blackburn 3H3 split-bolt connector take?
The 3H3 is rated for #4 stranded through #8 solid conductor, which is how the part is described in its catalog name (4STR-8SLD). Stay inside that range; a split bolt sized above or below the conductor will not develop a proper mechanical grip on the run.
2) Is the Blackburn 3H3 split bolt copper-rated, and what is it made of?
It is a bronze alloy body, which is the standard material for copper-to-copper split-bolt taps and splices. Bronze alloy connectors are not intended for aluminum conductors unless the connector is specifically marked AL9CU, so keep the 3H3 on copper runs.
3) What is a high-strength split bolt used for on a job?
A split bolt like the Blackburn 3H3 makes a mechanical tap or splice between two copper conductors without crimping tools. The run wire and the tap wire sit in the bolt's slot and the nut draws them together. High-strength versions use a heavier bronze alloy body so the nut can be pulled to full torque on stranded conductors without distorting.
4) Does the Blackburn 3H3 come with insulation, or do I have to tape it?
The 3H3 ships as a bare bronze connector only. Any insulation over the completed splice is a separate item, so plan on tape or a split-bolt insulating cover on your order if the connection is not inside an enclosure that keeps it isolated.
5) What is the manufacturer part number for the Blackburn high-strength split bolt for #4 stranded to #8 solid?
Blackburn catalog number 3H3. That is the number to quote on a submittal or a counter order; the H in the number denotes the high-strength bronze alloy body.
6) Can I use a split bolt like the 3H3 on a grounding electrode conductor?
Bronze split bolts are commonly used for copper grounding and bonding taps, and the 3H3 is a bronze alloy mechanical connector covering #4 stranded to #8 solid, which spans the usual copper grounding conductor sizes. For direct burial or concrete encasement, confirm the application calls for a connector listed for that use before you set it.
How fast can I get the Blackburn 3H3 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 3H3 come with a warranty?
Absolutely. The Blackburn 3H3 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 3H3?
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selection,
installation tips, and troubleshooting. Contact Us
Why buy the Blackburn 3H3 from ZenSupply?
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and
rewards on
every order.
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