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Manufacturer Resources
Product Specs
- Cable Size:
- 4 AWG
- Country Of Origin:
- Mexico (MX)
- Product Group:
- Wire Termination
- Product Type:
- Aluminum One-Hole Lug
- Selling Unit Of Measure:
- each
- Standards:
- UL E9809
- Stud Size:
- 3/8 in
- Sub Brand Label:
- Blackburn
- Type2:
- Cable or wire lug
- Department:
- Electrical
- Product Subgroup:
- Lugs
- Product Color:
- Green
- Product Material:
- Aluminum
Blackburn ATL4-38 – Frequently Asked Questions
1) What wire size does the Blackburn ATL4-38 lug take?
The ATL4-38 is sized for 4 AWG conductor. It is a compression (crimp) lug, so the barrel is made for one 4 AWG cable, not a range. If your conductor is 2 AWG or 6 AWG, you need the matching size in the ATL series instead, since an oversized or undersized barrel will not give a proper crimp.
2) Will this lug bolt to a 3/8 inch ground bar stud?
Yes. The ATL4-38 has a single bolt hole sized for a 3/8 inch stud, one hole only, so it lands on one bolt at a panel ground bar, busbar, or equipment pad. For two-bolt NEMA pad spacing you need a two-hole lug, not this one.
3) Does the ATL4-38 need a special crimp tool, or can I bolt it on as-is?
It is a compression lug, so the barrel has to be crimped onto the 4 AWG conductor with a compression tool and the correct die before you bolt the tongue down. There is no set screw. No tool, die, or bolt hardware comes with the lug, so order the 3/8 inch bolt, nut, and washers separately with the mounting.
4) Can an aluminum compression lug like this be used on copper wire?
The ATL4-38 is an aluminum-bodied compression lug. Aluminum-bodied lugs in this style are commonly listed AL9CU for either aluminum or copper conductor, but the conductor rating is not something to assume from the body material alone. What is on record here is the aluminum body, 4 AWG barrel, and the UL file E9809 listing. If your job spec calls out a copper-only tinned barrel, verify the AL9CU marking stamped on the lug before install.
5) Why is this lug green, and does the color mean anything on the job?
The ATL4-38 is green, which is the color convention for grounding and bonding on an electrical install. It makes the ground termination identifiable at a glance in a panel or on a service ground bar during inspection or later troubleshooting.
6) Is the ATL4-38 sold individually or in a bag quantity?
Sold each. Order the exact count you need for the panel or the ground bar rather than a fixed pack, which is useful when you are only terminating a handful of grounding conductors.
7) What is the exact part number and country of origin for the Blackburn 4 AWG one-hole compression lug?
Manufacturer part number ATL4-38, Blackburn brand, made in Mexico. Quote it as ATL4-38 when matching an existing install or standardizing lug stock across a facility.
How fast can I get the Blackburn ATL4-38 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 ATL4-38 come with a warranty?
Absolutely. The Blackburn ATL4-38 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 ATL4-38?
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installation tips, and troubleshooting. Contact Us
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