You may also like
AL 3CNDTR 4HOLE MOUNT 3/0-6STR
Manufacturer Resources
Product Specs
- Country Of Origin:
- Mexico (MX)
- Number Of Conductors:
- 3
- Product Group:
- Wire & Cable Management
- Product Type:
- Dual-Rated Mechanical Connector
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Surface Finishing:
- Tin-Plated
- Type2:
- Mechanical connectors
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Material:
- Aluminum
Blackburn ADR31-34 – Frequently Asked Questions
1) Can the Blackburn ADR31-34 connector be used on copper conductors as well as aluminum?
Yes. The ADR31-34 is a dual-rated mechanical connector, which means it is rated for both aluminum and copper conductors. The body is aluminum with a tin plating, which is what lets it land copper without a dissimilar-metal problem. Landing aluminum still calls for the usual prep on the job: wire brush the conductor and apply an oxide inhibitor before torquing.
2) What wire range does the Blackburn ADR31-34 take?
The ADR31-34 accepts conductors from 3/0 through 6 stranded, on each of its three ports. That covers a typical feeder tap or a service-entrance splice down to a branch-size conductor in the same block.
3) How many wires can I land in the Blackburn ADR31-34?
Three. It is a 3-conductor block, so you get one run per port. If you need to distribute to more than three loads off a single feeder, step up to a higher conductor-count block rather than doubling up wires in a port.
4) Is the Blackburn ADR31-34 a panel-mount connector or an inline splice?
It is a four-hole mount block, so it bolts down to a panel, back plate, or enclosure wall through four mounting holes. That makes it a distribution or tap block that stays fixed, not a free-hanging inline splice. Plan your mounting pattern and clearance for the four fasteners before you set the block.
5) Is the Blackburn ADR31-34 UL listed?
It carries UL file E9809. Spec writers and inspectors on institutional and commercial jobs usually want that file reference on the submittal, so it is worth carrying through to the closeout package.
6) What part number should I order to replace an existing Blackburn 3-conductor tap block?
Order by the catalog number ADR31-34. That identifies the aluminum, tin-plated, 3-conductor, four-hole mount block rated 3/0 to 6 stranded. Match the conductor count, the wire range, and the four-hole mounting footprint against what is on the wall before swapping.
7) Does the ADR31-34 need an insulating cover, and how is it sold?
The ADR31-34 ships as a bare connector block and is sold each, one piece per order. No cover, mounting hardware, or oxide inhibitor is included, so order those separately if the installation needs the block insulated or taped out.
8) Why is the Blackburn ADR31-34 tin-plated instead of bare aluminum?
The tin plating on the aluminum body slows oxide buildup on the contact surfaces and is what supports the dual copper and aluminum rating. On a bare aluminum block, copper contact is the problem; the plated barrier is what removes it.
How fast can I get the Blackburn ADR31-34 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 ADR31-34 come with a warranty?
Absolutely. The Blackburn ADR31-34 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 ADR31-34?
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 ADR31-34 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.