Blackburn SP3SL-WN SERVICE POS...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$175.49
$172.20
Blackburn SP3SL-WN SERVICE POST CONNECTOR

Blackburn SP3SL-WN SERVICE POST CONNECTOR

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Model: SP3SL-WN
Selected Model is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$175.49
$172.20
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SERVICE POST CONNECTOR

Manufacturer Resources

Product Specs

Country Of Origin:
Mexico (MX)
Material Of Conductor:
Copper
Product Group:
Wire & Cable Management
Product Type:
Post Connector with Nut and Washer
Selling Unit Of Measure:
each
Type2:
Grounding devices or assemblies
Department:
Electrical
Product Subgroup:
Connectors

Blackburn SP3SL-WN – Frequently Asked Questions

1) What is the Blackburn SP3SL-WN service post connector used for?
It's a grounding connector, used as a service post connector in grounding devices and assemblies, so it belongs on the service entrance / grounding side of the work rather than in general splicing. The conductor material is copper.
2) Does the Blackburn SP3SL-WN come with the nut and washer, or do I order those separately?
The nut and washer are part of the connector. It's catalogued as a post connector with nut and washer, so you don't have to source that hardware on its own.
3) Can I use the SP3SL-WN with aluminum conductors?
The connector is specified with copper as the conductor material, so treat it as a copper application. For an aluminum or dual-rated (AL9CU) service connection, choose a connector marked for aluminum use, since mixing metals without a rated connector invites galvanic corrosion at the termination.
4) What is the exact part number to order this Blackburn service post connector by?
Order it as Blackburn SP3SL-WN. That's the manufacturer part number, and it's the single model offered, so there's no size or finish suffix to add.
5) Is the SP3SL-WN sold individually or in a bag of multiples?
Sold each. If you're grounding several services or need spares on the truck, order the quantity you need as individual pieces.
6) Where is the Blackburn SP3SL-WN made? I have country-of-origin reporting on this job.
Mexico. That's the stated country of origin, which is the figure to put on submittals or Buy America documentation requests.
How fast can I get the Blackburn SP3SL-WN 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 SP3SL-WN come with a warranty?
Absolutely. The Blackburn SP3SL-WN 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 SP3SL-WN?
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 SP3SL-WN 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.
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