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3M Compression Lugs: For 1000 kcmil, Stranded Wire, 1/2 in Stud Size, Long - Two-Hole Compression Lugs
3MTwo-Hole Compression Lugs

3M Compression Lugs: For 1000 kcmil, Stranded Wire, 1/2 in Stud Size, Long

The 3M 31178 Compression Lug is a two-hole compression lug designed for 1000 kcmil stranded copper wire. It features a 1/2-inch stud size, a long copper barrel, and no inspection hole. This product is suitable for…

SKU 3G-OTH-15795

Brand
3M
Item
Compression Lugs: For 1000 kcmil, Stranded Wire, 1/2 in Stud Size, Long
Category
Two-Hole Compression Lugs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

3M
Manufacturer Part Number
31178
Type
Stranded Wire, Long, Copper Barrel
Stud Size
1/2 in
For Wire Type
Stranded
For Wire Sizes
1000 kcmil
Inspection Hole
No

Technical Documents

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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The 3M 31178 Compression Lug is a two-hole compression lug designed for 1000 kcmil stranded copper wire. It features a 1/2-inch stud size, a long copper barrel, and no inspection hole. This product is suitable for industrial electrical connections requiring a secure, high-capacity termination.

Frequently Asked Questions

What is the 3M 31178 compression lug used for?

The 3M 31178 compression lug is used to terminate 1000 kcmil stranded copper wire in high-capacity industrial electrical connections. It is a two-hole lug with a 1/2-inch stud size and a long copper barrel, suitable for power distribution, switchgear, and heavy machinery applications.

What are the specifications of the 3M 31178 compression lug?

The 3M 31178 compression lug is for 1000 kcmil stranded wire, with a 1/2-inch stud size, a long copper barrel, and no inspection hole. It is a two-hole lug designed for secure, high-capacity terminations in industrial environments. The manufacturer part number is 31178.

Where to buy the 3M 31178 compression lug worldwide?

3G Electric supplies the 3M 31178 compression lug worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this two-hole lug for 1000 kcmil stranded wire.

How to install a 3M 31178 compression lug?

To install the 3M 31178 compression lug, strip the 1000 kcmil stranded wire to the barrel depth, insert the wire fully, and use a hydraulic crimping tool with the correct die for a two-hole lug. Ensure the crimp is centered and the lug seats flat against the bus bar. No inspection hole is provided.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.

3M Products

3G Electric supplies 3M two-hole compression lugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Compression Lug: For 300 kcmil, Stranded Wire, 3/8 in Stud Size, Long, Copper Barrel (MPN 54819BE)
THOMAS & BETTS
Compression Lug: For 300 kcmil, Stranded Wire, 3/8 in Stud Size, Long, Copper Barrel (MPN 54819BE)
LOCOLOC Wire Rope Stud: 3/16 in Compatible Rope Dia, Right Hand, 1 29/64 in Thread Lg, External (MPN 259-6CTRH)
LOCOLOC
LOCOLOC Wire Rope Stud: 3/16 in Compatible Rope Dia, Right Hand, 1 29/64 in Thread Lg, External (MPN 259-6CTRH)
LOCOLOC Wire Rope Stud: 1/4 in Compatible Rope Dia, Right Hand, 1 3/4 in Thread Lg, External (MPN 259-8CTRH)
LOCOLOC
LOCOLOC Wire Rope Stud: 1/4 in Compatible Rope Dia, Right Hand, 1 3/4 in Thread Lg, External (MPN 259-8CTRH)

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