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Manufacturer Resources
Product Specs
- Application:
- Use for connection of ground wire to grounding bus
- Certifications:
- UL Listed
- Product Category:
- Grounding accessories
- Product Height:
- .56 in
- Product Length Depth:
- 1.90625 in
- Product Weight:
- .06 lb
- Product Width:
- .5625 in
- Special Features:
- Silicon bronze hardware additional sizes available
- Department:
- Electrical
- Product Model:
- Compression connector lug
- Product Material:
- Copper alloy
- Product Length:
- 1.906 in
B-LINE SB47903 – Frequently Asked Questions
1) What is the B-Line SB47903 grounding lug used for?
The B-Line (Eaton) SB47903 is a compression connector lug for terminating a ground wire onto a grounding bus. You crimp the wire into the barrel and bolt the tongue to the bus bar, which is the standard way ground conductors are landed in panels, telecom racks and equipment enclosures.
2) Is the SB47903 lug a compression (crimp) type or a mechanical set-screw type?
It's a compression lug, so it has to be crimped with a compression tool and the correct die for the conductor. If your crew works with hand tools only and you need a set-screw or mechanical lug you can tighten with a driver, this is not the part to order.
3) What material is the SB47903 lug made of, and will it corrode against a copper ground bus?
Copper alloy body, which is the right pairing with a copper grounding bus or copper conductor because you avoid the dissimilar-metal issue you'd get mixing copper and bare aluminum. Silicon bronze hardware is also available in additional sizes from the same family, which is the usual choice where the connection is exposed to damp conditions.
4) I need grounding lugs for a range of wire sizes across a building. Does the SB47903 come in other sizes?
The SB47903 is one size in a broader B-Line grounding accessory family, and additional sizes are offered with silicon bronze hardware. If you're standardizing across several panels or racks, order the SB47903 for the openings it matches and pull the adjacent part numbers in the same series for the other conductor sizes rather than forcing one lug across all of them.
5) Does the SB47903 come with the bolt and hardware to fasten it to the bus bar?
The SB47903 is supplied as the compression lug itself. Silicon bronze hardware is called out as available within the same grounding accessory family, so plan on specifying the bolt, nut and washer set separately to match your bus bar hole pattern.
How fast can I get the B-LINE SB47903 delivered?
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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 B-LINE SB47903 come with a warranty?
Absolutely. The B-LINE SB47903 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 B-LINE SB47903?
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