The Richards CL-2N Series is a line of straight two-hole copper NEMA lugs for crimping onto copper conductors from #6 to 2000 MCM. The lugs are made of seamless copper tubing, tin-plated to resist corrosion and UL listed. This guide lists every CL-2N part number with its wire size, bolt size, installing dies and dimensions, straight from the Richards connector catalog.
| Spec | Value |
|---|---|
| Series | CL-2N |
| Style | Straight two-hole NEMA pad |
| Material | Seamless copper tubing, tin-plated |
| Wire sizes | #6 to 2000 MCM |
| Bolt sizes | 1/4, 5/16, 3/8 and 1/2 in |
| Listing | UL listed |
The "-2N" in the part number marks a two-hole NEMA pad. The number after "CL" sets the wire size, and the number after "-2N" sets the bolt size. For example, CL9-2N-3/8 is the 1/0 lug with a 3/8 in bolt size, and CL12-2N-1/2 is the 4/0 lug with a 1/2 in bolt size.
Dies are shown exactly as the catalog lists them for each wire size.
| Wire Size | Part Numbers | Bolt Sizes | Installing Dies |
|---|---|---|---|
| #6 | CL3-2N-1/4, CL3-2N-5/16 | 1/4, 5/16 in | J, 7, TE, 24 |
| #4 | CL5-2N-1/4, CL5-2N-5/16, CL5-2N-1/2 | 1/4, 5/16, 1/2 in | 5/16, 8, TP, 29 |
| #2 | CL7-2N-1/4, CL7-2N-5/16, CL7-2N-1/2 | 1/4, 5/16, 1/2 in | 3/8, 10, TL-TN, 33 |
| #1 | CL8-2N-1/4, CL8-2N-5/16 | 1/4, 5/16 in | 3/8, 11, TB, 37 |
| 1/0 | CL9-2N-5/16, CL9-2N-3/8, CL9-2N-1/2 | 5/16, 3/8, 1/2 in | 1/2, 12, TQ, 42 |
| 2/0 | CL10-2N-3/8, CL10-2N-1/2 | 3/8, 1/2 in | 9/16, 13, TS, 45 |
| 3/0 | CL11-2N-3/8, CL11-2N-1/2 | 3/8, 1/2 in | 5/8, 14, TU, 50 |
| 4/0 | CL12-2N-3/8, CL12-2N-1/2 | 3/8, 1/2 in | 5/8-1, 15, TW-TY, 54 |
| 250 | CL13-2N-3/8, CL13-2N-1/2 | 3/8, 1/2 in | 11/16, 16, TR, 60 |
| 300 | CL14-2N-3/8, CL14-2N-1/2 | 3/8, 1/2 in | 781, 17, TV, 66 |
| 350 | CL15-2N-3/8, CL15-2N-1/2 | 3/8, 1/2 in | 840, 18, TX, 71 |
| 400 | CL16-2N-3/8, CL16-2N-1/2 | 3/8, 1/2 in | 15/16, 19, TX, 76 |
| 500 | CL18-2N-1/2 | 1/2 in | 1, 20, TH, 87 |
| 600 | CL20-2N-1/2 | 1/2 in | 1-1/8, 22, 96 |
| 750 | CL23-2N-1/2 | 1/2 in | 1-5/16, 24, 106 |
| 1000 | CL28-2N-1/2, CL28-2N-1-3/4 | 1/2 in | 1-1/2, 27, 125 |
| 1250 | CL29-2N-1/2 | 1/2 in | 1-5/8, 29 |
| 1500 | CL30-2N-1/2 | 1/2 in | 1-3/4, 31, 150 |
| 2000 | CL32-2N-1/2 | 1/2 in | 2.00, 34, 175 |
For other sizes, contact Powertech Associates or your Richards sales representative.
All dimensions are in inches, as printed in the Richards catalog.
| Part Number | B | L | P | W |
|---|---|---|---|---|
| CL3-2N-1/4 | 1 | 4-1/2 | 3 | 15/32 |
| CL3-2N-5/16 | 1 | 4-1/2 | 3 | 17/32 |
| CL5-2N-1/4 | 1 | 4-1/2 | 3 | 1/2 |
| CL5-2N-5/16 | 1 | 4-1/2 | 3 | 1/2 |
| CL5-2N-1/2 | 1 | 4-1/2 | 3 | 1 |
| CL7-2N-1/4 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL7-2N-5/16 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL7-2N-1/2 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL8-2N-1/4 | 1-3/8 | 3-3/8 | 3 | 21/32 |
| CL8-2N-5/16 | 1-1/2 | 3-3/8 | 3 | 21/32 |
| CL9-2N-5/16 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL9-2N-3/8 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL9-2N-1/2 | 1-1/4 | 4-9/16 | 3 | 3/4 |
| CL10-2N-3/8 | 1-1/2 | 5-1/32 | 3 | 27/32 |
| CL10-2N-1/2 | 1-1/2 | 5-1/32 | 3 | 27/32 |
| CL11-2N-3/8 | 1-1/2 | 5-1/8 | 3 | 29/32 |
| CL11-2N-1/2 | 1-1/2 | 5-1/8 | 3 | 29/32 |
| CL12-2N-3/8 | 1-5/8 | 5-3/16 | 3 | 1 |
| CL12-2N-1/2 | 1-5/8 | 5-3/16 | 3 | 1 |
| CL13-2N-3/8 | 1-3/4 | 5-1/4 | 3 | 1-1/8 |
| CL13-2N-1/2 | 1-3/4 | 5-1/4 | 3 | 1-7/32 |
| CL14-2N-3/8 | 2 | 5-3/4 | 3 | 1-7/32 |
| CL14-2N-1/2 | 2 | 5-3/4 | 3 | 1-7/32 |
| CL15-2N-3/8 | 2 | 5-3/4 | 3 | 1-5/16 |
| CL15-2N-1/2 | 2 | 5-3/4 | 3 | 1-5/16 |
| CL16-2N-3/8 | 2-1/8 | 6 | 3-1/16 | 1-13/32 |
| CL16-2N-1/2 | 2-1/8 | 6 | 3-3/32 | 1-13/32 |
| CL18-2N-1/2 | 2-1/4 | 6-1/16 | 3-1/8 | 1-9/16 |
| CL20-2N-1/2 | 2-5/8 | 6-23/32 | 3-1/8 | 1-11/16 |
| CL23-2N-1/2 | 2-7/8 | 6-3/4 | 3-1/8 | 1-3/4 |
| CL28-2N-1/2 | 2-15/16 | 7-1/4 | 3-1/4 | 2-5/32 |
| CL28-2N-1-3/4 | 2-15/16 | 7-1/4 | 3-1/4 | 1-3/4** |
| CL29-2N-1/2 | 2-1/2 | 7-1/4 | 3-1/16 | 1-11/16 |
| CL30-2N-1/2 | 3-3/16 | 7-1/2 | 3 | 2-11/16 |
| CL32-2N-1/2 | 3-3/16 | 8-1/16 | 3-3/16 | 3-1/16 |
** The CL28-2N-1-3/4 is a 1000 lug trimmed to 1-3/4 in maximum width so two lugs fit side by side on NEMA spades.
Richards also lists stacking two-hole copper NEMA lugs (CSL-2N Series), four-hole copper lugs (CL-4N Series) and two- and four-hole peephole copper NEMA lugs (CL-N-P Series). Browse the Richards copper 2 hole lugs in our online store.
It marks a two-hole NEMA pad.
#6 through 2000 MCM. The sizes are #6, #4, #2, #1, 1/0, 2/0, 3/0, 4/0, 250, 300, 350, 400, 500, 600, 750, 1000, 1250, 1500 and 2000.
1/4, 5/16, 3/8 and 1/2 in, depending on the wire size. Sizes #6 to #1 come in 1/4 and 5/16 in (plus 1/2 in on #4 and #2), 1/0 comes in 5/16, 3/8 and 1/2 in, sizes 2/0 to 400 come in 3/8 and 1/2 in, and sizes 500 and larger come in 1/2 in.
Yes. They are made of seamless copper tubing, tin-plated to resist corrosion, and UL listed.
The dies depend on the wire size and are listed in the table above. For example, the 4/0 lug uses 5/8-1, 15, TW-TY or 54, and the 500 lug uses 1, 20, TH or 87.
Yes. The CL28-2N-1-3/4 is a 1000 lug trimmed to 1-3/4 in wide for that purpose.
Contact Powertech Associates, or browse the Richards copper 2 hole lugs in our online store.
Last updated: November 2026.
