Lincoln Electric LN-742H - Manual (Page 12)

A-5 INSTALLATION
LN-742 & LN-742H
A-5
WORK CABLE
Connect a work lead of sufficient size and length
(Table A.1) between the proper output stud on the
power source and the work. Be sure the connection to
the work makes tight metal-to-metal electrical contact.
TABLE A.1 – WORK LEAD SPECIFICATIONS
Copper Work Cable Size, AWG
Current 60% Up To 50 Ft 50 Ft-100 Ft
Duty Cycle (15.2 m) (15.2-30.4 m)
300 Amps 0 (53 mm 2 ) 00 (67 mm 2 )
400 Amps 00 (67 mm 2 ) 000 (85 mm 2 )
500 Amps 00 (67 mm 2 ) 000 (85 mm 2 )
600 Amps 000 (85 mm 2 ) 0000 (107 mm 2 )
GUN AND CABLE ASSEMBLIES
An expanding line of Magnum Fast-Mate gun and
cable assemblies are available to allow welding with
solid and cored electrodes using the GMAW process.
See the appropriate Magnum literature for descriptions
of the 200 to 400 ampere air cooled gun and cables
that are available. Gun cable lengths range from 10 ft.
(3.0m) to 25 ft. (7.6m) and feed electrode sizes .025
”
(0.6mm) to 5/64 ” (2.0mm).
An expanding line of Magnum X-Tractor gun and cable
assemblies provides fume extraction capability for
welding with solid and cored electrodes using the
GMAW process. See the appropriate Magnum
literature for descriptions of the 250 to 400 ampere air
cooled gun and cables that are available. Gun cable
lengths range from 10 ft. (3.0 m) to 15 ft. (4.5 m) and
feed electrode sizes .035
” (0.9 mm) to 1/16 ” (1.6 mm).
These guns require the use of either the K173-1 or
K184* vacuum units.
* Requires S14927-8 connector hose and an S20591 hose adapter.