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SPLIT BOLT No4 - 14
Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire & Cable Management
- Product Type:
- Split-Bolt Connector
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Type2:
- Mechanical connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Material:
- Silicon Bronze Alloy
Blackburn E-2H-25 – Frequently Asked Questions
1) What wire sizes does the Blackburn E-2H-25 split bolt connector take?
The E-2H-25 split bolt is rated for conductors from No. 4 through No. 14 AWG, so it covers the common branch circuit and small feeder range. Run and tap have to fall inside that range; anything heavier than 4 AWG needs a larger split bolt.
2) What material is the E-2H-25 split bolt made from, and can I use it on copper conductors?
Silicon bronze alloy, which is the standard body material for copper-to-copper splices and taps. Bronze split bolts are used with copper conductors; aluminum or copper-to-aluminum work calls for a connector specifically rated for that combination.
3) Does the Blackburn E-2H-25 come with insulation, or do I have to tape the splice?
It is a bare mechanical connector, sold as an each. The splice has to be insulated after you make it, either with tape built back to the conductor insulation level or with a snap-on split bolt cover sized for the connector.
4) Should I use a split bolt like the E-2H-25 or a set-screw / compression tap for a No. 6 tap?
A split bolt is the quick field choice: it is reusable, needs only a wrench, and handles the 4 to 14 AWG copper range. The trade-off is bulk and the need to tape or cover the splice afterward. A compression tap gives a smaller, permanent, pre-insulated joint but needs the right die and crimp tool. For pull-box and gutter taps where space allows and you want to be able to take it apart later, the split bolt is the practical pick.
5) Can I use the Blackburn E-2H-25 for a grounding electrode conductor connection?
It is a UL listed mechanical connector in silicon bronze, the usual combination for copper grounding and bonding taps within its 4 to 14 AWG range. For direct burial or concrete encasement, confirm the connector you use is marked for that environment, since a general purpose split bolt is intended for above-ground, accessible splices.
6) How is the Blackburn E-2H-25 packaged if I'm buying for stock?
Sold individually, one connector per selling unit, so an order quantity is a piece count rather than a carton count. Made in Mexico.
How fast can I get the Blackburn E-2H-25 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 E-2H-25 come with a warranty?
Absolutely. The Blackburn E-2H-25 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 E-2H-25?
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 E-2H-25 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
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every order.
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