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Custom Cables, Adapters and Wallplates


Find it at Black Box

If you're looking for a specialized cable or connector and an "off-the-shelf" solution just won't work, contact us. Not only can we modify stock cables and adapters, we can engineer a one-of-a-kind solution. Whether you need a single cable for one specific project or thousands of cables for an on-going project, we can help. 

Get Started

Talk directly to one of our cabling experts at 877-877-2269 (BBOX) or chat with someone now. You can also submit a custom request form. We'll respond within 24 hours. 

Fast Turnaround

We'll turn your custom order around fast, usually within a week. Everyday, experienced technicians in our in-house manufacturing facility build prototypes and custom cable assemblies, adapters, connectors and wallplates. 


Design your custom adapter for connectors such as DB9, DB15, DB25, HD15, RJ-11, RJ-45, MMJ and more. You can specify pairing, jumpers, hardware and labels.
Design your custom cables for CATx, fiber, serial and other cable types. We can build CATx, fiber, AV, serial and other types of cables to your exact specs.
Design custom stainless steel wallplate with mixed connectors such as: RJ-11, RJ-45, D-sub, coax, and AV in 1-, 2-, 3- and 4-gang configurations.
When you need custom-length patch cables right away, call Cable 911 at 877-877-2269 (BBOX). Order by 1 P.M. ET M-F and we will ship that evening or your cables are FREE!*
Color-code networks with fiber optic patch cables in 12 standard colors. Choose from the largest selection in the industry with more than 16,000 standard part numbers. 
Save yourself a lot of time and trouble with pre-terminated cables. You’ll get custom fiber cables that are built to your exact specs, fully tested and shipped ready for installation.



Black Box regularly produces MIL spec communication cables as well as customized fiber and specialty coax cables for the Department of Defense and Federal agencies.


Harsh environments often require specialty adapters and cables including Y, octopus and even serial. Some of our customs are even used in the manufacture of mobile phones.


National retailers come to Black Box for monthly shipments of kits that include custom harness cables, labels, as well as standard CATx and AV cables for store PoS and networks.


Sometimes customs can be as simple as making lots of CATx patch cables in a non-standard length for data center server to patch panel connections.


Nurse-call cables used in patient monitoring systems are a regular Black Box production. 


Long known as the place to go for hard-to-find cables, we can help you with serial, parallel, and even other legacy cables.

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