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Set Screw Lugs
Tighten the set screw for a secure connection without crimping. Mount lugs to a screw.
Aluminum lugs are more lightweight and can be used in electrical distribution systems.
For technical drawings and 3-D models, click on a part number.
Tin-Plated Aluminum Lugs
1 Hole—1 Wire
1 Hole—2 Wire
2 Hole—1 Wire
2 Hole—2 Wire
2 Hole—3 Wire
4 Hole—2 Wire
4 Hole—3 Wire
4 Hole—4 Wire
6 Hole — 2 Wire
6 Hole—3 Wire
8 Hole — 4 Wire
| For Wire Gauge  | Center-to-Center | For Screw Size | For Screw Size Decimal Equivalent | Lg. | Wd. | Ht. | Thick. | For Wire Material | For Wire Type | Max. Temp., °F | Max. Voltage | Specifications Met | Each | |
1 Hole — 1 Wire | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14-4 | __ | 1/4" | 0.25" | 1.060" | 0.500" | 0.500" | 0.093" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 14-2 | __ | 1/4" | 0.25" | 1.160" | 0.500" | 0.560" | 0.1" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 14-1/0 | __ | 1/4" | 0.25" | 1.470" | 0.630" | 0.780" | 0.19" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 14-2/0 | __ | 1/4" | 0.25" | 1.470" | 0.630" | 0.780" | 0.19" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 6-250 MCM | __ | 5/16" | 0.313" | 2.000" | 1.000" | 1.130" | 1/4" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 6-300 MCM | __ | 1/4" | 0.25" | 2.000" | 0.860" | 1.130" | 1/4" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 4-500 MCM | __ | 3/8" | 0.375" | 2.810" | 1.500" | 1.810" | 0.31" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 2-600 MCM | __ | 3/8" | 0.375" | 3.190" | 1.500" | 1.560" | 0.437" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 300-800 MCM | __ | 5/8" | 0.625" | 3.380" | 1.750" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 350-1000 MCM | __ | 5/8" | 0.625" | 3.380" | 1.750" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
1 Hole — 2 Wire | ||||||||||||||
| 14-1/0 | __ | 1/4" | 0.25" | 1.470" | 1.130" | 0.800" | 3/16" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 14-2/0 | __ | 1/4" | 0.25" | 1.470" | 1.250" | 0.800" | 3/16" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 6-250 MCM | __ | 3/8" | 0.375" | 2.560" | 1.660" | 1.190" | 1/4" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 6-350 MCM | __ | 1/2" | 0.5" | 2.880" | 1.890" | 1.250" | 1/4" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 2-600 MCM | __ | 1/2" | 0.5" | 3.190" | 2.410" | 1.560" | 7/16" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 350-800 MCM | __ | 5/8" | 0.625" | 3.500" | 3.500" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 500-1000 MCM | __ | 5/8" | 0.625" | 3.380" | 3.190" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
2 Hole — 1 Wire | ||||||||||||||
| 6-350 MCM | 1 3/4" | 1/2" | 0.5" | 4.310" | 1.130" | 1.380" | 0.31" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 2-600 MCM | 1 3/4" | 1/2" | 0.5" | 4.690" | 1.500" | 1.380" | 0.438" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 6.190" | 1.750" | 1.880" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 500-1000 MCM | 1 3/4" | 1/2" | 0.5" | 4.750" | 1.750" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
2 Hole — 2 Wire | ||||||||||||||
| 6-350 MCM | 1 3/4" | 1/2" | 0.5" | 4.310" | 2.000" | 1.380" | 5/16" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 2-600 MCM | 1 3/4" | 1/2" | 0.5" | 4.690" | 2.410" | 1.380" | 7/16" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 4.750" | 3.190" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
2 Hole — 3 Wire | ||||||||||||||
| 14-1/0 | 1" | 3/8" | 0.375" | 2.910" | 2.000" | 0.870" | 1/4" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 6.190" | 4.120" | 1.880" | 0.563" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 000000 |
4 Hole — 2 Wire | ||||||||||||||
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 5.750" | 3.570" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
4 Hole — 3 Wire | ||||||||||||||
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 6.190" | 3.500" | 1.880" | 0.563" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 000000 |
4 Hole — 4 Wire | ||||||||||||||
| 6-350 MCM | 1 3/4" | 1/2" | 0.5" | 4.500" | 4.720" | 1.380" | 0.312" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 2-600 MCM | 1 3/4" | 1/2" | 0.5" | 5.500" | 5.330" | 1.500" | 0.438" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 000000 |
| 350-1000 MCM | 1 3/4" | 3/8" | 0.5" | 5.750" | 5.970" | 1.940" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 000000 |
6 Hole — 2 Wire | ||||||||||||||
| 6-350 MCM | 1 3/4" | 1/2" | 0.5" | 5.500" | 2.750" | 1.969" | 3/8" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 00000000 | 00000 |
| 2-600 MCM | 1 3/4" | 1/2" | 0.5" | 5.500" | 2.750" | 1.969" | 3/8" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 00000000 | 00000 |
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 5.969" | 3.000" | 2.234" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 00000000 | 00000 |
6 Hole — 3 Wire | ||||||||||||||
| 6-350 MCM | 1 3/4" | 1/2" | 0.5" | 4.190" | 3.000" | 1.130" | 0.312" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
| 300-800 MCM | 1 3/4" | 1/2" | 0.5" | 5.969" | 4.125" | 2.328" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 00000000 | 00000 |
8 Hole — 4 Wire | ||||||||||||||
| 350-1000 MCM | 1 3/4" | 1/2" | 0.5" | 5.969" | 6.500" | 2.203" | 1/2" | Aluminum, Copper | Stranded | 190° | 600V AC | UL Listed, CSA Certified | 00000000 | 00000 |
Lay-In Set Screw Lugs
Mount these lugs to a surface to create electrical connections without needing to cut or splice the conductor wire. For a secure connection without crimping, tighten the set screw onto the wire.
Aluminum lugs are more lightweight than copper lugs and can be used in electrical distribution systems.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | For Screw Size | For Screw Size Decimal Equivalent | For Wire Material | For Wire Type | Lg. | Wd. | Ht. | Thick. | Max. Temp., °F | Max. Voltage | Specifications Met | Each | |
Tin-Plated Aluminum Lugs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 Hole | |||||||||||||
| 14-4 | 3/16" | 0.188" | Aluminum, Copper | Stranded | 1.060" | 0.380" | 0.780" | 0.15" | 190° | 600V AC | UL Listed C-UL Listed | 0000000 | 00000 |
| 6-250 MCM | 5/16" | 0.313" | Aluminum, Copper | Stranded | 2.200" | 0.800" | 1.700" | 0.3" | 190° | 600V AC | UL Listed C-UL Listed | 0000000 | 0000 |
Stacked Set Screw Lugs
1 Hole — 2 Wire
2 Hole — 2 Wire
2 Hole — 3 Wire
2 Hole — 4 Wire
Save space on your mounting surface by installing wire vertically. These lugs have set screws that tighten onto wire for a secure connection without crimping.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | For Screw Size | For Screw Size Decimal Equivalent | Center-to-Center | For Wire Material | For Wire Type | Terminal Material | Lg. | Wd. | Ht. | Thick. | Max. Temp., °F | Max. Voltage | Specifications Met | Each | |
1 Hole — 2 Wire | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6-350 MCM | 5/16" | 0.313" | __ | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 3.000" | 1.000" | 2.000" | 0.31" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 000000 |
2 Hole — 2 Wire | |||||||||||||||
| 2-600 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.470" | 1.500" | 3.000" | 0.76" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 1/0-750 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.470" | 1.580" | 3.000" | 0.76" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
2 Hole — 3 Wire | |||||||||||||||
| 2-600 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.470" | 2.680" | 3.000" | 0.76" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
2 Hole — 4 Wire | |||||||||||||||
| 2-600 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.470" | 2.680" | 3.000" | 0.76" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 1/0-750 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.470" | 2.840" | 3.000" | 0.76" | 190° | 600V AC | UL Listed, C-UL Listed | 0000000 | 00000 |
Box Set Screw Lugs
Thread these lugs onto grounding or neutral bars commonly found in panelboards. For a secure connection without crimping, tighten the set screw.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | Thread Size | For Wire Material | For Wire Type | Terminal Material | Length | Width | Height | Maximum Temperature, °F | Maximum Voltage | Specifications Met | Each | |
1 Hole — 1 Wire | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14-2 | 10-32 | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 0.469" | 0.487" | 0.640" | 165° | 600V AC 600V DC | UL Recognized Component, CSA Certified | 0000000 | 00000 |
| 14-1/0 | 10-32 | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 0.625" | 0.564" | 0.687" | 165° | 600V AC 600V DC | UL Recognized Component, CSA Certified | 0000000 | 0000 |
| 6-250 MCM | 1/4"-20 | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 1.000" | 0.812" | 1.000" | 165° | 600V AC 600V DC | UL Recognized Component, CSA Certified | 0000000 | 00000 |
Tamper-Resistant Set Screw Lugs
1 Hole — 1 Wire
2 Hole — 1 Wire
With screw heads that shear off when the appropriate torque is applied, these lugs create a secure and tamper-resistant connection without crimping. Use 3/8" hex key to install.
For technical drawings and 3-D models, click on a part number.
| For Wire Gauge | For Screw Size | For Screw Size Decimal Equivalent | Ctr.-to-Ctr. | For Wire Material | For Wire Type | Terminal Material | Lg. | Wd. | Ht. | Thick. | Max. Temp., °F | Max. Voltage | Specifications Met | Each | |
1 Hole — 1 Wire | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 350-500 MCM | 1/2" | 0.5" | __ | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.190" | 1.460" | 1.750" | 0.500" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 000000 |
| 600-750 MCM | 1/2" | 0.5" | __ | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.190" | 1.670" | 1.900" | 0.620" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 1000 MCM | 1/2" | 0.5" | __ | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.190" | 1.750" | 2.010" | 0.800" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
2 Hole — 1 Wire | |||||||||||||||
| 2/0-4/0 | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.850" | 1.100" | 1.250" | 0.400" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 250-350 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 5.900" | 1.220" | 1.500" | 0.400" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 350-500 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 6.950" | 1.460" | 1.750" | 0.500" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 600-750 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 6.950" | 1.670" | 1.900" | 0.620" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
| 1000 MCM | 1/2" | 0.5" | 1 3/4" | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 6.950" | 1.750" | 2.010" | 0.800" | 190° | 600V AC 600V DC | UL Listed, C-UL Listed | 0000000 | 00000 |
Compression Lugs
1 Hole—Straight
2 Hole—Straight
Use a compression tool to attach lugs to wire. Mount them to a screw.
Aluminum lugs are more lightweight than copper lugs and can be used in electrical distribution systems.
For technical drawings and 3-D models, click on a part number.
Tin-Plated Aluminum Lugs
| For Wire Gauge | For Screw Size | For Screw Size Decimal Equivalent | Ctr.-to-Ctr. | Color | For Wire Material | For Wire Type | Lg. | Wd. | Ht. | Thick. | Max. Temp., °F | Max. Voltage | Specifications Met | Each | |
1 Hole—Straight | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 1/4" | 0.25" | __ | Blue | Aluminum, Copper | Stranded | 1.560" | 0.400" | 0.300" | 0.12" | 190° | 600V AC | CSA Certified | 0000000 | 00000 |
| 6 | 1/4" | 0.25" | __ | Gray | Aluminum, Copper | Stranded | 1.830" | 0.500" | 0.340" | 0.13" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 4 | 5/16" | 0.312" | __ | Green | Aluminum, Copper | Stranded | 1.890" | 0.580" | 0.430" | 0.18" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 2 | 3/8" | 0.375" | __ | Pink | Aluminum, Copper | Stranded | 2.050" | 0.700" | 0.530" | 0.21" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 1 | 3/8" | 0.375" | __ | Yellow | Aluminum, Copper | Stranded | 2.530" | 0.730" | 0.530" | 0.17" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 1/0 | 3/8" | 0.375" | __ | Beige | Aluminum, Copper | Stranded | 2.170" | 0.840" | 0.630" | 0.23" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
| 2/0 | 1/2" | 0.5" | __ | Green | Aluminum, Copper | Stranded | 2.625" | 0.930" | 0.690" | 0.25" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 0000 |
2 Hole—Straight | |||||||||||||||
| 1/0 | 3/8" | 0.375" | 1" | Beige | Aluminum, Copper | Stranded | 3.530" | 0.850" | 0.630" | 0.23" | 190° | 600V AC | UL Listed, CSA Certified | 000000 | 00000 |
| 2/0 | 1/2" | 0.5" | 1 3/4" | Green | Aluminum, Copper | Stranded | 4.625" | 0.940" | 0.690" | 0.25" | 190° | 600V AC | UL Listed, CSA Certified | 0000000 | 00000 |
Set Screw Lug Assortments
Keep on hand the set screw lugs, nuts, and bolts needed to install single- or three-phase dry-type transformers. Tighten the set screw onto your wire for a secure connection without crimping.
| No. of Pieces | Includes | For Screw Size | For Transformer Electrical Phase (Power Output) | For Wire Material | For Wire Type | Terminal Material | Max.Temp., °F | Max. Voltage | Specifications Met | Each | |
1 Hole — 1 Wire | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28 | 1/4"-20 Nuts 1/4"-20 × 3/4" Bolts Set Screw Lugs (14-2 AWG; 6 AWG-250 MCM) | 1/4" | Single (15-37 kVA) Three (15-45 kVA) | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 190° | 600V AC | UL Listed C-UL Listed | 0000000 | 000000 |
| 44 | 1/4"-20 Nuts 1/4"-20 × 3/4" Bolts 1/4"-20 × 1 3/4" Bolts Set Screw Lugs (6 AWG-250 MCM) | 1/4" | Single (50-75 kVA) Three (75-112 kVA) | Aluminum, Copper | Stranded | Tin-Plated Aluminum | 190° | 600V AC | UL Listed C-UL Listed | 0000000 | 00000 |