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Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire & Cable Management
- Product Type:
- H-Tap
- Selling Unit Of Measure:
- each
- Surface Finishing:
- Tin Plated
- Type2:
- Wire connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Material:
- Copper
Blackburn CF4040-1P – Frequently Asked Questions
1) What conductor sizes does the Blackburn CF4040-1P H-tap connector take?
The CF4040-1P is a compression H-tap whose designation calls out 4/0, 3/0 and 2/0 tap conductors, so it is sized for heavy service and feeder taps in that range rather than small branch-circuit wire. It is a copper connector, so use it on copper conductors only.
2) Can I use a copper H-tap like the CF4040-1P on aluminum conductors?
No. The CF4040-1P is a copper connector, tin plated, and copper-bodied compression taps are intended for copper conductors. For aluminum or mixed copper-to-aluminum taps you need a connector rated AL9CU or an aluminum-bodied H-tap instead.
3) Is this a crimp connector or a set-screw tap?
It is a compression tap. The CF4040-1P H-tap is crimped with a hydraulic or battery compression tool and the correct die, not tightened with a set screw or bolt. Once crimped it is permanent, so for a connection you may need to open later use a mechanical set-screw or bolted tap connector instead.
4) Do I need to insulate a compression H-tap after crimping?
Yes. The CF4040-1P is a bare tin-plated copper tap with no factory insulation, so the finished crimp has to be covered, typically with a heat-shrink tube, a molded tap cover or tape and mastic build-up rated for the circuit voltage. Plan the cover into the job at the same time you order the tap.
5) Why is the CF4040-1P tin plated instead of bare copper?
The tin plating on this copper H-tap adds a corrosion-resistant surface, which matters in damp vaults, underground pull boxes and outdoor enclosures where a bare copper barrel would oxidize. Electrically it is still a copper connector for copper conductors.
6) Is the Blackburn CF4040-1P sold individually or in a box?
It is sold each, so quantity one gets you a single CF4040-1P H-tap. Order one per tap connection you are making, and remember compression taps are one-time-use once crimped, so carry a spare or two on a splice job.
7) Where is the Blackburn CF4040-1P made?
Country of origin on the CF4040-1P is Mexico. That is the detail procurement and government or institutional buyers usually need for domestic-preference or trade-compliance paperwork.
How fast can I get the Blackburn CF4040-1P 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 CF4040-1P come with a warranty?
Absolutely. The Blackburn CF4040-1P 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 CF4040-1P?
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 CF4040-1P 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.