Compression Lug 4/0 AWG 5/16" Stud | Bare Copper 600V
Shipping calculated at checkout
SKU: 6221-040-0516-NP
55 in stock
The Conversions Tech Copper Compression Lug is a seamless tubular electrical connector engineered for 4/0 AWG copper conductors and 5/16" stud terminations. Manufactured from bare (non-tinned) copper, this lug provides maximum electrical conductivity for high-current power distribution in controlled indoor environments. The 5/16" stud size accommodates compact bolted connections on battery terminals, bus bars, grounding points, and distribution blocks where space constraints dictate a smaller hardware footprint.
Specifications
- Wire Range: 4/0 AWG
- Stud Size: 5/16"
- Stud Hole (Nominal): 0.328"
- Material: Seamless Copper (Non-Tinned)
- Finish: Bare Copper
- Maximum Voltage: 600V
- Construction Type: Seamless Tubular
- Application: Copper Cable Only
- Overall Length (L): 2.360"
- Width (W): 1.000"
- Pad Thickness (T): 0.114"
- Tube Thickness (TT): 0.059"
- Barrel Length (BL): 0.840"
- Barrel Inside Diameter (ID): 0.551"
- Pad Length: 1.100"
- Strip Length: 0.830"
Cross-Reference
This seamless tubular compression lug is equivalent in form and function to standard heavy-duty copper lugs from major manufacturers, providing comparable electrical and mechanical performance at lower cost.
FAQ
What wire size is this lug designed for?
It is designed specifically for 4/0 AWG copper conductors.
What stud size does this lug fit?
This lug fits a 5/16" stud with a nominal hole diameter of 0.328".
Is this lug tinned?
No. This version is non-tinned (bare copper). For corrosive or outdoor environments, use a tin-plated lug or seal with adhesive-lined heat shrink.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.