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Copper Mechanical Connectors
Mechanical
• For use where large contact area
is required to provide more secure mounting
• Cast from high strength bronze alloy
Type L — Single-Conductor, One-Hole Mount
CAT. NO.
CONDUCTOR RANGE DIMENSIONS (IN.)
SOCKET HEX MAX. MIN. L W H F D J E G
L35* — 8 Str. 14 Sol.
13
⁄16
3
⁄8
3
⁄8
3
⁄32
13
⁄64
11
⁄64
13
⁄64
1
⁄2
L70* — 4 Str. 14 Sol. 1
1
⁄8
17
⁄32
35
⁄64
3
⁄32
9
⁄32
9
⁄32
9
⁄32
21
⁄32
L125 L125H 1/0 Str. 8 Sol. 1
1
⁄2
47
⁄64
3
⁄4
3
⁄32
3
⁄8
27
⁄64
21
⁄64
27
⁄32
L250 L250H 250 kcmil 6 Str. 1
61
⁄64
15
⁄16 1
1
⁄16
1
⁄8
29
⁄64
5
⁄8
13
⁄32 1
3
⁄32
L400BB L400H 500 kcmil 4/0 Str. 3 1
13
⁄32 1
15
⁄32
9
⁄32
5
⁄8
7
⁄8
9
⁄16 1
5
⁄8
L650 L650H 1,000 kcmil 500 kcmil 4 2 2
3
⁄16
17
⁄32
3
⁄4 1
1
⁄4
9
⁄16 2
*
Sizes L35 and L70 have screwdriver slot head screws only. UL 486A.
Type L — Single-Conductor, Two-Hole Mount
CAT. NO.
CONDUCTOR RANGE DIMENSIONS (IN.)
SOCKET HEX MAX. MIN. L W H F D K E G J
L1252 L1252H 1/0 Str. 4 Str. 2
13
⁄16
25
⁄32
13
⁄16
3
⁄16
7
⁄16 1
11
⁄32 2
27
⁄64
L2502 L2502H 250 kcmil 1/0 Str. 3 1
1
⁄16 1
1
⁄32
15
⁄64
7
⁄16 1
13
⁄32 1
7
⁄8
5
⁄8
L4002 L4002H 500 kcmil 4/0 Str. 3
3
⁄8 1
13
⁄32 1
15
⁄32
5
⁄16
7
⁄16 1
13
⁄32 1
15
⁄16
57
⁄64
L6502 L6502H 1000 kcmil 500 kcmil 4
15
⁄16 22
3
⁄8
9
⁄16 1
1
⁄2
9
⁄16 2
3
⁄4 1
1
⁄4
UL 486A.
• Cast of high-strength copper alloy • Plated steel socket head set screws
Type S — Copper End-to-End Splice Connector
CONDUCTOR RANGE DIMENSIONS (IN.)
CAT. NO.
MAX. MIN. L W H J I
S100BB 1 Str. 4 Sol. 1
11
⁄16
5
⁄8
11
⁄16
3
⁄8
15
⁄16
S225BB* 4/0 Str. 1 Str. 2
3
⁄16
27
⁄32
31
⁄32
9
⁄16 1
3
⁄16
S400BB 500 kcmil 4/0 Str. 2
7
⁄8 1
3
⁄16 1
5
⁄16
7
⁄8 1
5
⁄8
*
Not UL Listed.
• Cat. Nos. L400 and L650 cast from
high-strength bronze alloy
• Cat. Nos. L35, L70, L125 and L250
cold forged from pure electrolytic
copper with 99% conductivity
Type TL — Two-Conductor, Two-Hole Mount
CAT. NO.
CONDUCTOR RANGE DIMENSIONS (IN.)
SOCKET HEX
MAX. MIN. L W H F K D E G J
TL250 TL250H 250 kcmil 1/0 Str. 4
5
⁄16 1
7
⁄8 1
1
⁄16
9
⁄32 1
3
⁄4
5
⁄8
9
⁄16 3
3
⁄16
5
⁄8
TL400 TL400H 500 kcmil 4/0 Str. 4
3
⁄4 2
9
⁄16 1
9
⁄16
13
⁄32 1
3
⁄4
11
⁄16
9
⁄16 3
7
⁄8
TL650 TL650H 1,000 kcmil 500 kcmil 5
9
⁄16 3
1
⁄4 2
3
⁄16
9
⁄16 1
3
⁄4
5
⁄8
9
⁄16 3
3
⁄8 1
1
⁄4
Four hole NEMA tang on TL650.
UL 486A.
• Conveniently terminates parallel conductors
C-42
United States
Tel: 901.252.8000
800.816.7809
Fax: 901.252.1354
Technical Services
Tel: 888.862.3289
www.tnb.com