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Blackburn
$243.20
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SGNL REF GRID CLAMP, 8-4 AWG, BULK
Manufacturer Resources
Product Specs
- Number Of Batteries:
- 0
- Package Level 2 Depth Length:
- 13.1 in333 mm
- Package Level 2 Height:
- 10.9 in277 mm
- Package Level 2 Units:
- 200 piece
- Package Level 2 Width:
- 5.9 in150 mm
- Product Group:
- Grounding & Bonding
- Product Net Length:
- 0, mm
- Product Type:
- Ground Clamp
- Standards:
- UL E3060
- Type2:
- Grounding devices or assemblies
- Department:
- Electrical
- Product Subgroup:
- Ground Clamps
Blackburn 3900BP – Frequently Asked Questions
1) What wire size does the Blackburn 3900BP signal reference grid clamp accept?
The 3900BP takes conductors from 8 AWG through 4 AWG. If your grounding or bonding conductor falls outside that range, this clamp is the wrong part and you'll need a different range clamp.
2) Is the Blackburn 3900BP a UL listed ground clamp?
Yes. The 3900BP carries UL file E3060, which is what an inspector or institutional spec reviewer will want to see on a grounding connector in a data room or telecom space.
3) What is a signal reference grid clamp used for, and is it the same as a regular ground rod clamp?
Not the same thing. A signal reference grid clamp like the Blackburn 3900BP is made to bond conductors to the grid of stringers or grid members under a raised access floor, the kind used in data centers and equipment rooms, to tie everything to a common reference. A ground rod clamp is built to wrap a driven rod and won't seat on flat grid stock. Pick by what you're clamping to, not just by wire size.
4) Does the Blackburn 3900BP come in bulk or individually packaged?
It's bulk packed, no individual clamshells or cartons. The bulk case holds 200 pieces, so contractors wiring out a full raised floor buy it by the box rather than the piece.
5) What part number do I order for the Blackburn 8-4 AWG signal reference grid clamp?
Order Blackburn catalog number 3900BP. That single number covers the 8-4 AWG bulk-packed signal reference grid clamp, there are no finish or size options to specify with it.
6) How big is the bulk box of Blackburn 3900BP grid clamps for storage and shipping?
The 200 piece bulk carton measures 13.1 in (333 mm) deep, 10.9 in (277 mm) high and 5.9 in (150 mm) wide. Small enough to stage on a cart or shelf on a data center fit-out without taking a pallet spot.
How fast can I get the Blackburn 3900BP 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 3900BP come with a warranty?
Absolutely. The Blackburn 3900BP 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 3900BP?
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 3900BP 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.