Selection Guide

34 BLACKBURN MECHANICAL CONNECTORS
For use where large contact area is required
to provide more secure mounting
Cast from high-strength bronze alloy
Cast of high-strength copper alloy
Plated steel socket head set screws
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
Conveniently terminates parallel conductors
Cat. no. Conductor range (AWG or kcmil) Dimensions (in.)
Socket Hex Max. Min. L W H F D K E G J
Diagrams    












   







   












   




UL 486A
Cat. no. Conductor range (AWG or kcmil) Dimensions (in.)
Socket Hex Max. Min. L W H F D J E G
Diagrams   









  










   









   










   






   




* Sizes L35 and L70 have screwdriver slot head screws only. UL
®
486A.
Cat. no. Conductor range (AWG or kcmil) Dimensions (in.)
Socket Hex Max. Min. L W H F D K E G J
Diagrams    





   







   




Four hole NEMA tang on TL650. UL 486A.
Cat. no.
Conductor range (AWG or kcmil) Dimensions (in.)
Max. Min. L W H J I
Diagrams   






  







  


* Not UL listed.
L
E
W
G
F
H
J
K
D
L
H
J
W
Copper mechanical connectors
Type L, Type TL and Type S
J
G
F
H
L
K
D
W
E
L
G
J
F
H
L
E
W
D
Type S – Copper end-to-end splice connector
Type TL – Two-conductor, two-hole mount
Type L – Single-conductor, two-hole mount
Type L – Single-conductor, one-hole mount